Entries |
Document | Title | Date |
20080233467 | Lithium cell - A primary cell having an anode comprising lithium and a cathode comprising iron disulfide (FeS | 09-25-2008 |
20080268327 | Advanced Metal-Air Battery Having a Ceramic Membrane Electrolyte Background of the Invention - A metal-air battery is disclosed in one embodiment of the invention as including a cathode to reduce oxygen molecules and an alkali-metal-containing anode to oxidize the alkali metal (e.g., Li, Na, and K) contained therein to produce alkali-metal ions. An aqueous catholyte is placed in ionic communication with the cathode to store reaction products generated by reacting the alkali-metal ions with the oxygen containing anions. These reaction products are stored as solutes dissolved in the aqueous catholyte. An ion-selective membrane is interposed between the alkali-metal containing anode and the aqueous catholyte. The ion-selective membrane is designed to be conductive to the alkali-metal ions while being impermeable to the aqueous catholyte. | 10-30-2008 |
20080274394 | Stacks Of Separators And Electrodes Alternately Stacked One On Top Of The Other And Fixed For Li Storage Batteries - The present invention relates to stacks comprising separators and electrodes stacked alternately one on top of the other and fixed, the stack having, on at least one side and/or edge of the stack, at least one adhesive bond comprising an organic adhesive, which bond adhesively bonds the electrodes and separators of the stack to one another, and a method for the production thereof and the use of these stacks in Li batteries. | 11-06-2008 |
20080280191 | LITHIUM FLUOROPOLYMER AND FLUORO-ORGANIC BATTERIES - The invention provides lithium and lithium ion batteries in which the active material of one of the electrodes includes a substantial quantity of a fluoropolymer or fluoro-oligomer material having carbon-fluorine bonds. The fluoropolymer or fluoro-oligomer active material may be mixed with a substantial quantity of electrically conductive material, and may also be mixed with subfluorinated carbonaceous materials. The batteries of the invention are useful for elevated temperature applications. The invention also provides methods for electrochemical generation of energy which employ the batteries of the invention at elevated temperatures. | 11-13-2008 |
20080305386 | DEVICES FOR STORING ENERGY IN THE MECHANICAL DEFORMATION OF NANOTUBE MOLECULES AND RECOVERING THE ENERGY FROM MECHANICALLY DEFORMED NANOTUBE MOLECULES - An energy storage device includes at least one nanotube. An energy storage mechanism converts energy external to the device into the appropriate levels of strain on the at least one nanotube to produce stored energy, and an energy recovery mechanism converts the energy released by relaxing the at least one nanotube back to energy external to the device. | 12-11-2008 |
20080311464 | Method of Using an Electrochemical Cell - The silicon as an anode material for use in lithium ion batteries according to the present invention provides a method for cell manufacturing. The degree to which the silicon is lithiated during cycling can be controlled, thereby lowering the volume expansion while maintaining an acceptable volumetric capacity, and reducing the failure rate of the silicon containing anodes in lithium ion batteries. The crystalline silicon anode is first charged so that the anode becomes partially lithiated. The voltage of the anode during this charging step is typically less than the lithiation potential of crystalline silicon at ambient temperatures, for example, less than 17 OmV versus lithium metal. The total number of charge-discharge cycles during conditioning is at least two or more. | 12-18-2008 |
20080311465 | ALPHA VOLTAIC BATTERIES AND METHODS THEREOF - An alpha voltaic battery includes at least one layer of a semiconductor material comprising at least one p/n junction, at least one absorption and conversion layer on the at least one layer of semiconductor layer, and at least one alpha particle emitter. The absorption and conversion layer prevents at least a portion of alpha particles from the alpha particle emitter from damaging the p/n junction in the layer of semiconductor material. The absorption and conversion layer also converts at least a portion of energy from the alpha particles into electron-hole pairs for collection by the one p/n junction in the layer of semiconductor material. | 12-18-2008 |
20090017364 | METHODS FOR IMPROVING LITHIUM ION BATTERY SAFETY - The methods and apparatus described herein include, in some variations, a method of powering an electronic device with a lithium ion cell that has a cathode and an anode. The anode is made, at least in part, of nano-crystalline Li | 01-15-2009 |
20090029237 | FLUORIDE ION ELECTROCHEMICAL CELL - The present invention provides electrochemical cells capable of good electronic performance, particularly high specific energies, useful discharge rate capabilities and good cycle life. Electrochemical cells of the present invention are versatile and include primary and secondary cells useful for a range of important applications including use in portable electronic devices. Electrochemical cells of the present invention also exhibit enhanced safety and stability relative to conventional state of the art primary lithium batteries and lithium ion secondary batteries. For example, electrochemical cells of the present invention include secondary electrochemical cells using anion charge carriers capable of accommodation by positive and negative electrodes comprising anion host materials, which entirely eliminate the need for metallic lithium or dissolved lithium ion in these systems. | 01-29-2009 |
20090035646 | Swelling inhibition in batteries - The present invention relates generally to electrochemical cells, and more specifically, to additives for electrochemical cells which may enhance the performance of the cell. In some cases, the additive may advantageously interact with at least one component or species of the cell to increase the efficiency and/or lifetime of the cell. The incorporation of certain additives within the electrolyte of the cell may improve the cycling lifetime and/or performance of the cell. | 02-05-2009 |
20090061288 | Lithium-sulfur battery with a substantially non-pourous membrane and enhanced cathode utilization - A lithium-sulfur battery is disclosed in one embodiment of the invention as including an anode containing lithium and a cathode comprising elemental sulfur. The cathode may include at least one solvent selected to at least partially dissolve the elemental sulfur and Li2S | 03-05-2009 |
20090068547 | Thermally managed battery enclosure for electric and hybrid electric vehicles - A thermally managed enclosure for batteries in a motor vehicle or other machinery includes a cradle of thermally conductive material for containing a battery. The cradle having a bottom wall and side walls closely fitted to and in contact with the battery, to maintain the battery in a stable position. The bottom wall of the cradle has a passageway trough containing a tube for flowing heating or cooling fluid therethrough, to control the optimal operating temperature of the battery. The passageway trough is preferably filled with a thermally conductive fill surrounding said tube. When two or more batteries are required, an array of adjacent cradles are provided in a monocoque tray formed by bonding or welding the multiple cradles at their adjacent sides. These cradles are optionally connected by linearly extending rods in the cradles. | 03-12-2009 |
20090104510 | LITHIUM RECHARGEABLE CELL WITH REFERENCE ELECTRODE FOR STATE OF HEALTH MONITORING - A battery management system includes one or more lithium ion cells in electrical connection, each said cell comprising: first and second working electrodes and one or more reference electrodes, each reference electrode electronically isolated from the working electrodes and having a separate tab or current collector exiting the cell and providing an additional terminal for electrical measurement; and a battery management system comprising a battery state-of-charge monitor, said monitor being operable for receiving information relating to the potential difference of the working electrodes and the potential of one or more of the working electrodes versus the reference electrode. | 04-23-2009 |
20090123813 | MULTIFUNCTIONAL MIXED METAL OLIVINES FOR LITHIUM ION BATTERIES - Electroactive compositions are disclosed for use in lithium ion battery electrodes. The compositions, such as multifunctional mixed metal olivines, provide an electrochemical cell having a plurality of open circuit voltages at different states of charge. The compositions afford improved state-of-charge monitoring, overcharge protection and/or overdischarge protection for lithium ion batteries. | 05-14-2009 |
20090123814 | POWER SOURCE AND METHOD OF MANAGING A POWER SOURCE - In one embodiment, the invention includes a power source having a plurality of battery groups and a processor coupled to the groups and adapted to electrically disconnect a group from the power source. Each group includes a plurality of cells, a sensor adapted to sense operating parameters of the cells, and a protection circuit coupled to the sensor. In another embodiment, the invention includes a method of managing a power source with a two-tier approach. On a group level, the method includes retrieving cell data representative of the operating parameters of the cells of the group and managing the connection state of the group based on the retrieved cell data. On a system level, the method includes, retrieving group data representative of the operating parameters of the groups and managing the connection state of the group based on the retrieved group data. | 05-14-2009 |
20090123815 | Electrochemical energy store - An electrochemical energy store, including at least one electrochemical cell as well as at least one latent heat storage unit, which includes at least one phase change material. The at least one electrochemical cell is a lithium ion accumulator. The exemplary embodiments and/or exemplary methods of the present invention also includes the use of the electrochemical energy store in an electric vehicle or a hybrid vehicle. Furthermore, the exemplary embodiments and/or exemplary methods of the present invention relates to a method for temperature regulation of an electrochemical energy store. | 05-14-2009 |
20090130538 | Battery Apparatus, Vehicle Having the Same Mounted Thereon, and Failure Determining Method for the Battery Apparatus - The high-voltage battery unit | 05-21-2009 |
20090136830 | Substantially Solid, Flexible Electrolyte For Alkili-Metal-Ion Batteries - An alkali-metal-ion battery is disclosed in one embodiment of the invention as including an anode containing an alkali metal, a cathode, and an electrolyte separator for conducting alkali metal ions between the anode and the cathode. In selected embodiments, the electrolyte separator includes a first phase comprising poly(alkylene oxide) and an alkali-metal salt in a molar ratio of less than 10:1. The electrolyte separator may further include a second phase comprising ionically conductive particles that are conductive to the alkali metal ions. These ionically conductive particles may include ionically conductive ceramic particles, glass particles, glass-ceramic particles, or mixtures thereof. | 05-28-2009 |
20090162736 | ENERGY STORAGE DEVICE AND METHOD - A composition is provided that includes a ternary electrolyte having a melting point greater than about 150 degree Celsius. The ternary electrolyte includes an alkali metal halide, an aluminum halide and a zinc halide. The amount of the zinc halide present in the ternary electrolyte is greater than about 20 mole percent relative to an amount of the aluminum halide. An energy storage device including the composition is provided. A system and a method are also provided. | 06-25-2009 |
20090169977 | SYSTEMS AND METHODS FOR MONITORING AND RESPONDING TO FORCES INFLUENCING A BATTERY - Systems and methods for monitoring and responding to forces influencing batteries of electronic devices are provided. | 07-02-2009 |
20090208815 | Lithium Battery Management System - Provided is a system for managing a lithium battery system having a plurality of cells. The battery system comprises a variable-resistance element electrically connected to a cell and located proximate a portion of the cell; and a device for determining, utilizing the variable-resistance element, whether the temperature of the cell has exceeded a predetermined threshold. A method of managing the temperature of a lithium battery system is also included. | 08-20-2009 |
20090208816 | PROPERLY POSITIONING STACKED PLATE ELECTRODE FOR HIGH VOLUME ASSEMBLY - An electrode in an electrochemical cell for an implantable medical device is presented. The electrode includes a plurality of electrode plates. Each electrode plate includes a tab extending therefrom. The tab is shaped in a H-shape, a T-shape, a Y-shape, and a L-shape. | 08-20-2009 |
20090208817 | Method for Extending the Useful Life of a Chargeable Energy Storage Unit - A method is provided for extending the useful life of a rechargeable energy storage unit for use in a motor vehicle, such as, in particular, a double layer capacitor, a lithium ion storage unit, a lithium ion capacitor or a NiMH storage unit, which exhibits a plurality of storage cells. In order to extend the useful life of the energy storage unit, it is proposed that the temperature and/or storage capacity of each of the storage cells be measured. If the temperature of a storage cell exceeds a reference value for the temperature of the storage cell on the storage cell is partially discharged, and, in this way, its voltage is reduced. | 08-20-2009 |
20090208818 | BATTERY CELL FUEL GAUGE FOR PACKAGED BATTERIES AND ASSOCIATED SYSTEMS AND METHODS - The present disclosure is directed generally to battery cell fuel gauges for packaged batteries and associated systems and methods. A method in accordance with one embodiment includes detecting one or more parameters corresponding to one or more battery cells that are disposed within a casing of a battery packet with a fuel gauge that is also disposed within the casing and that is electrically coupled to a data connector that is accessible from outside the casing. The method can further include formatting the detected one or more parameters into a data file that is readable with non-proprietary hardware and/or software, e.g., via a USB cable. The data file is stored at the fuel gauge. The method can still further include providing a host device with access to the data file via the data connector. | 08-20-2009 |
20090208819 | Rechargeable Battery Pack for Power Tools - A rechargeable battery pack comprises a battery having a high voltage side and a low voltage side, a positive terminal accessible external of the battery pack and connected to the high voltage side of the battery, a negative terminal accessible external of the battery pack and connected to the low voltage side of the battery, a control terminal accessible external of the battery pack, a switching element electrically connected between the control terminal and the high voltage side of the battery, and a control module operable to control the switching element so that the control terminal is selectively coupled to the high voltage side of the battery. | 08-20-2009 |
20090220850 | Liquid-Cooled Battery and Method for Operating Such a Battery - A liquid-cooled battery, in particular in the form of an energy store for an electrical drive in a motor vehicle is provided. The battery has a plurality of storage cells | 09-03-2009 |
20090233156 | NANOSTRUCTURED BATTERY HAVING END OF LIFE CELLS - A cell-array battery is disclosed having end-of-life cells that can be activated at the end of a battery's life to, illustratively, neutralize the toxic chemicals inside the battery. In one embodiment, neutralization of the electrolyte in the battery is achieved through immobilization of the electrolyte at the end of the life of the battery by, for example, a vitrification process. Using electrowetting techniques, the electrolyte is made to contact a neutralizing substance between the nanostructures in one or more end-of-life cells, thus causing a reaction that results in the electrolyte becoming immobilized by, for example, a polymer substance. In a second illustrative embodiment, when the electrolyte contacts the substance between the nanostructures in one or more end-of-life cells, the chemical composition of the electrolyte is changed into a less toxic chemical compound, thus neutralizing the electrolyte. | 09-17-2009 |
20090239130 | Modular battery, an interconnector for such batteries and methods related to modular batteries - A modular battery includes a first planar battery cell having a first planar electrode surface, a second planar battery cell having a second planar electrode surface, and a compressible interconnector disposed between the first planar surface and the second planar surface and electrically connecting the first and second planar electrode surfaces. Other embodiments of a modular battery, an interconnector and methods are also disclosed. | 09-24-2009 |
20090246604 | Non-Aqueous Electrolyte Battery, Method of Manufacturing the Same and Method of Using the Same - A non-aqueous electrolyte battery suppresses gas generation in a non-aqueous electrolyte battery having a negative active material that intercalates and deintercalates lithium ions at a potential not lower than 1.2 V relative to the potential of lithium for the negative electrode thereof. The non-aqueous electrolyte battery comprises a non-aqueous electrolyte containing an electrolytic salt and a non-aqueous solvent, a positive electrode and a negative electrode having a negative active material that intercalates/deintercalates lithium ions at a potential not lower than 1.2 V relative to the potential of lithium and is characterized in that a film coat having a carbonate structure and a thickness of not less than 10 nm exists on the surface of said negative electrode and that the non-aqueous electrolyte battery is operated in a region of potential of the negative electrode higher than 0.8 V relative to the potential of lithium. A method of manufacturing a non-aqueous electrolyte battery having a non-aqueous electrolyte, a positive electrode and a negative electrode having a negative active material that intercalates/deintercalates lithium ions at a potential not lower than 1.2 V relative to the potential of lithium is characterized in that a film coat having a carbonate structure is brought into existence on the surface of said negative electrode by lowering the potential of the negative electrode to lower than 0.8 V relative to the potential of lithium at least once in an initial cycle. | 10-01-2009 |
20090253025 | Sodium ion based aqueous electrolyte electrochemical secondary energy storage device - A secondary hybrid aqueous energy storage device includes an anode electrode, a cathode electrode which is capable of reversibly intercalating sodium cations, a separator, and a sodium cation containing aqueous electrolyte, wherein an initial active cathode electrode material comprises an alkali metal containing active cathode electrode material which deintercalates alkali metal ions during initial charging of the device. | 10-08-2009 |
20090258280 | POWER OUTPUT APPARATUS AND METHOD OF SETTING SECONDARY BATTERY - In a power output apparatus of the invention, a battery | 10-15-2009 |
20090258281 | EARLY WARNING METHOD FOR ABNORMAL STATE OF LITHIUM BATTERY AND RECORDING MEDIUM - An early warning method for an abnormal state of a lithium battery and a recording medium applicable to a portable electronic device are provided. The method includes the following steps. A plurality of curves of voltage against electric quantity is obtained according to different predicted average current consumptions of the portable electronic device. An operating average current consumption and an operating electric quantity from a first voltage to a second voltage are obtained when the lithium battery at an operating test state in a unit time. One of the curves of voltage against electric quantity is searched, and a warning electric quantity is obtained in a range from the first voltage to the second voltage. The warning electric quantity is compared with the electric quantity, so as to provide an early warning of an abnormal state. | 10-15-2009 |
20090274947 | Imidazolidinone nitroxides as electrode materials for energy storage devices - The invention relates to a an electrical energy storage device, such as a capacitor or a secondary battery, utilizing as active element the oxidation and reduction cycle of a sterically hindered imidazolidinone nitroxide radical. Further aspects of the invention are a method for providing such an energy storage device, the use of the respective compounds as active elements in energy storage devices and selected novel imidazolidinone nitroxide compounds. | 11-05-2009 |
20090274948 | CORDLESS POWER TOOL BATTERY PACK SYSTEM - A battery pack is provided that includes a base unit, a top cover, a top circuit board, and a bottom circuit board. The base unit is disposed to retain a plurality of batteries, and the top cover is disposed to attach to the base unit to secure the plurality of batteries therein. The top circuit board and the bottom circuit board are positioned opposite each other and are secured within the base unit by the top cover. Each circuit board includes a plurality of conductors. The plurality of batteries are configured to position between the plurality of conductors of the top circuit board and the plurality of conductors of the bottom circuit board such that individual batteries of the plurality of batteries can be replaced. | 11-05-2009 |
20090280394 | POWER SUPPLY DEVICE - In a power supply device, a power supply body, and a cooling liquid that cools the power supply body are housed in a power supply casing. The power supply device includes a plurality of agitation members that agitate the cooling liquid; and a transmission mechanism that transmits driving power from a drive motor to each of the agitation members. Examples of the transmission mechanism include a gear, a belt, and a chain. | 11-12-2009 |
20090286137 | Recycling Batteries Having Basic Electrolytes - Embodiments related to recycling alkaline batteries are disclosed. In one disclosed embodiment, a method for recycling a battery having a basic electrolyte comprises rupturing the battery under anaerobic conditions and flooding the interior of the battery with carbon dioxide in an anaerobic chamber. | 11-19-2009 |
20090291353 | ELECTRODE PROTECTION IN BOTH AQUEOUS AND NON-AQUEOUS ELECTROCHEMICAL CELLS, INCLUDING RECHARGEABLE LITHIUM BATTERIES - Electrode protection in electrochemical cells, and more specifically, electrode protection in both aqueous and non-aqueous electrochemical cells, including rechargeable lithium batteries, are presented. In one embodiment, an electrochemical cell includes an anode comprising lithium and a multi-layered structure positioned between the anode and an electrolyte of the cell. A multi-layered structure can include at least a first single-ion conductive material layer (e.g., a lithiated metal layer), and at least a first polymeric layer positioned between the anode and the single-ion conductive material. The invention also can provide an electrode stabilization layer positioned within the electrode, i.e., between one portion and another portion of an electrode, to control depletion and re-plating of electrode material upon charge and discharge of a battery. Advantageously, electrochemical cells comprising combinations of structures described herein are not only compatible with environments that are typically unsuitable for lithium, but the cells may be also capable of displaying long cycle life, high lithium cycling efficiency, and high energy density. | 11-26-2009 |
20090297926 | Use of large format prismatic lithium-ion cells in electric vehicles - This invention is directed to a battery pack with high energy density and a large format prismatic lithium-ion cell of at least 16 squre inches, comprising (1) at least one positive electrode, (2) at least one negative electrode, (3) a non-aqueous electrolyte, and (4) a homogeneous microporous membrane which comprises (a) a hot-melt adhesive, (b) an engineering plastics, (c) optionally a tackifier and (d) a filler having an average particle size of less than about 50 μm. The resulting battery pack can be used as power source for electric vehicles to extend its ranged up to 700 miles per charge. | 12-03-2009 |
20090311580 | Nanosized Electrochemical Dispersion for Rechargeable Alkaline Zinc Batteries - The present invention relates to a nanosized electrochemical dispersion comprising essentially modified silica sol and at least one additive; also a process of preparing nanosized electrochemical dispersion, wherein the process comprises step of loading at least one additive to metalate modified silica sol to obtain the dispersion; in addition a rechargeable alkaline storage zinc battery comprising nanosized electrochemical dispersion consisting of essentially modified silica sol and at least one additive; further a method of manufacturing a rechargeable alkaline storage zinc battery, wherein the method comprises steps of adding a nanosized electrochemical dispersion consisting essentially modified silica sol and at least one additive into a conventional alkaline storage zinc battery to obtain a rechargeable alkaline storage zinc battery; and further a process to prevent dissolution of zinc in a battery, wherein the process comprises addition of nanosized aqueous electrochemical dispersion comprising essentially modified silica sol and at least one additive to the battery, and preventing the dissolution of zinc electrode in the battery. | 12-17-2009 |
20090317694 | Temperature controller - A temperature controller for providing heat to an energy storage device of a power compensator. The energy storage device includes a plurality of high temperature battery units on high potential. The temperature controller includes a pipe network for housing a heat transfer medium. The pipe network includes a main pipe loop and a local pipe loop in each battery unit. Each local pipe loop includes a first end for receiving a heat transfer medium and a second end for exhausting the medium. | 12-24-2009 |
20090325039 | ELECTRICITY STORAGE DEVICE, USE THEREOF, AND MANUFACTURING METHOD THEREOF - Opposing electrode pairs ( | 12-31-2009 |
20100021799 | PRINTABLE BATTERIES AND METHODS RELATED THERETO - Embodiments of the invention relate to a galvanic cell comprising a first electrode, a second electrode, an electrolyte in contact with both the electrodes, a substrate adapted to support and separate the electrodes while allowing the electrolyte to move within it and contacts electrically coupled to the electrodes, wherein one or more of the electrodes comprises one or more highly reactive metals and wherein at least one of the electrodes is printed on the substrate. | 01-28-2010 |
20100021800 | CARBON CATHODES FOR FLUORIDE ION STORAGE - The invention provides fluoride ion host electrodes for use in electrochemical cells. These electrodes include carbon nanomaterials having a curved multilayered structure and a film or particles of a metal-based material. The metal-based material may react with fluorine and may be a transition metal such as silver. The invention also provides electrochemical cells in which the fluoride host electrode serves as at least one electrode of the cell. | 01-28-2010 |
20100028758 | Suppression of battery thermal runaway - Thermal runaway in battery packs is suppressed by inserting packages of hydrated hydrogel at physical interfaces between groups of one or more cells. The hydrogel acts to diffuse and absorb thermal energy released by the cells in the event of a cell failure. During extreme overheating of a battery cell, the water stored by the hydrogel will undergo phase change, that is, begin to vaporize, thus absorbing large amounts of thermal energy and preventing thermal runaway. | 02-04-2010 |
20100035127 | SMART BATTERY SEPARATORS - A separator for an energy storage cell that is provided by a microporous web that includes an irreversible porosity-controlling agent a method for changing an operating characteristic of an energy storage cell. | 02-11-2010 |
20100035128 | APPLICATION OF FORCE IN ELECTROCHEMICAL CELLS - The present invention relates to the application of a force to enhance the performance of an electrochemical cell. The force may comprise, in some instances, an anisotropic force with a component normal to an active surface of the anode of the electrochemical cell. In the embodiments described herein, electrochemical cells (e.g., rechargeable batteries) may undergo a charge/discharge cycle involving deposition of metal (e.g., lithium metal) on a surface of the anode upon charging and reaction of the metal on the anode surface, wherein the metal diffuses from the anode surface, upon discharging. The uniformity with which the metal is deposited on the anode may affect cell performance. For example, when lithium metal is redeposited on an anode, it may, in some cases, deposit unevenly forming a rough surface. The roughened surface may increase the amount of lithium metal available for undesired chemical reactions which may result in decreased cycling lifetime and/or poor cell performance. The application of force to the electrochemical cell has been found, in accordance with the invention, to reduce such behavior and to improve the cycling lifetime and/or performance of the cell. | 02-11-2010 |
20100047671 | HIGH ENERGY DENSITY REDOX FLOW DEVICE - Redox flow devices are described in which at least one of the positive electrode or negative electrode-active materials is a semi-solid or is a condensed ion-storing electroactive material, and in which at least one of the electrode-active materials is transported to and from an assembly at which the electrochemical reaction occurs, producing electrical energy. The electronic conductivity of the semi-solid is increased by the addition of conductive particle to suspensions and the surface modification of the solid in semi-solids: coating the solid with a more electron conductive coating material to increase the power of the device. High energy density and high power redox flow devices are disclosed. | 02-25-2010 |
20100047672 | HEATER POWER SUPPLY METHOD OF SODIUM-SULFUR BATTERY - There is disclosed means for stably supplying a power to a heater so that the temperature of a sodium-sulfur battery does not lower even in a case where service interruption occurs in a power system in an interconnected system. When a wind power generation device | 02-25-2010 |
20100055543 | BATTERY MANAGEMENT SYSTEM AND DRIVING METHOD THEREOF - A battery management system (BMS) includes at least one sub-BMS and a main BMS. The at least one sub-BMS measures information about a battery, and generates an activation signal according to operating state. The main BMS receives the activation signal and determines the operating state of the at least two sub-BMSs. If the at least two sub-BMSs normally operate, the main BMS generates a synchronization signal and transfers the same to the sub-BMSs. The at least one sub-BMS measures the information about the battery according to the synchronization signal. | 03-04-2010 |
20100081037 | BATTERY MANAGEMENT FOR OPTIMIZING BATTERY AND SERVICE LIFE - The provision of a mode in silver zinc batteries where a user can access extra capacity as an emergency reserve for times when extra capacity is needed. While this temporarily increases capacity, it does not detrimentally affect cycle life over the longer term, and it permits a silver zinc battery to essentially mimic the long term capacity and cycle life characteristics of a lithium ion battery while still affording inherent advantages associated with silver zinc batteries. In a variant embodiment, this ability to temporarily increase capacity is optimally employed at the end of a battery life cycle in a controlled “roll-off” that accords additional cycles of battery service life. In another variant embodiment, the general capability to control capacity is employed to gradually decrease the available capacity of a battery over the life of the battery, to thereby extend the battery service life. | 04-01-2010 |
20100081038 | ACCUMULATOR WITH EXTENDED ECONOMIC LIFE-TIME - An electrical energy storage device includes at least one galvanic cell partly surrounded by a cell sheath, at least one heat-conducting device effectively connected to the galvanic cell, the heat-conducting device being suitable for supplying heat energy to the cell and/or conducting heat energy from the cell, a cell holding device enclosing an interior space at least partially with a wall, the interior space being suitable for accommodating each galvanic cell, and the cell sheath being at least partly effectively connected to the wall, at least one first measurement device suitable for acquiring a temperature at a prespecified position of the galvanic cell, and a control device suitable for evaluating a signal of each first measurement device that is present and/or for controlling the heat-conducting devices, heat-conducting apparatus being situated between the cell sheath and at least one of the wall of cell holding device and an additional cell sheath. | 04-01-2010 |
20100086833 | Battery - A battery includes an anode having an alkali metal as the active material, a cathode having, for example, iron disulfide as the active material, and an increased electrolyte volume. | 04-08-2010 |
20100099013 | BATTERY WITH PRESSURE RELIEF CHANNEL - A battery having an outer casing and an anode/cathode assembly within that casing, wherein the anode/cathode assembly includes plural anodes and cathodes and electrolyte therebetween. The battery has a pressure relief feature associated with the casing and a channel preservation element sufficiently rigid to preserve at least one gas passageway to the pressure relief feature under conditions of anode/cathode assembly warpage. Thus the gas in the passageway will not become impeded by anode/cathode assembly warpage. | 04-22-2010 |
20100104927 | TEMPERATURE-CONTROLLED BATTERY CONFIGURATION - A vehicle includes a body adapted to carry passengers or cargo, an electric engine/motor, and a temperature-controlled battery configuration. The battery configuration includes a casing, and a plurality of alternating Lithium-ion cell packs and spacers defining vertical channels, the spacers supporting the cell packs in a hanging manner in the casing. The casing is flooded with a thermally-conductive electrically-insulating fluid flowing from the inlet under the cell packs, upwardly across the cell packs and out an outlet to a heat exchanger for controlling a temperature of the cell packs. A fluid pump connected to the engine/motor and a heat exchanger pumps the liquid through the system. A controller is provided for controlling the pump and fluid flow to control a temperature of the battery configuration to maintain the temperature in a desired temperature range. | 04-29-2010 |
20100112416 | AUTOMATIC TESTING DEVICE AND METHOD FOR COMPUTER SYSTEM - An automatic testing device and method are provided to automatically test a computer system that has an electric component and a battery. First of all, a power control module controls the electricity supplied from the battery to the electric component. Next, when the computer system enters a designated mode, a battery-related component status is retrieved from a recording module through a connection interface. Afterwards, according to the battery-related component status, the computer system obtains testing information to determine whether the electric component operates normally. Since the power control module, the connection interface and the recording module are internal elements commonly configured computer system, the proposed device and method facilitate the testing tasks without any external instruments. | 05-06-2010 |
20100112417 | ACCUMULATOR COMPRISING A PLURALITY OF GALVANIC CELLS - In accordance with the invention, an accumulator comprises at least two galvanic cells that are electrically connected. The accumulator furthermore comprises a control device and at least one measuring device. The measuring device is suitable to determine at least one reading for at least one first functional parameter of a galvanic cell. The accumulator comprises a memory device which is assigned to the control device. The memory device is suitable for storing at least one target value of a first functional parameter. The accumulator furthermore comprises a computing unit. The computing unit is suitable for assigning at least two measured values and one pertinent target value to a first computed result. The measured values are the measured first functional parameters, respectively of at least two galvanic cells of the accumulator. The target value is a predetermined value in respect to the first functional parameter. The control device is suitable for initiating a predetermined action as a function of the first computed result. | 05-06-2010 |
20100124691 | METHOD AND APPARATUS FOR REJUVENATION OF DEGRADED POUCH-TYPE LITHIUM ION BATTERY CELLS - One embodiment includes a method including use of a manifold connected to one or more pouches for rejuvenating failed or degraded pouch-type lithium-ions batteries. | 05-20-2010 |
20100129699 | SEPARATION OF ELECTROLYTES - Methods and articles relating to separation of electrolyte compositions within lithium batteries are provided. The lithium batteries described herein may include an anode having lithium as the active anode species and a cathode having sulfur as the active cathode species. Suitable electrolytes for the lithium batteries can comprise a heterogeneous electrolyte including a first electrolyte solvent (e.g., dioxolane (DOL)) that partitions towards the anode and is favorable towards the anode (referred to herein as an “anode-side electrolyte solvent”) and a second electrolyte solvent (e.g., 1,2-dimethoxyethane (DME)) that partitions towards the cathode and is favorable towards the cathode (and referred to herein as an “cathode-side electrolyte solvent”). By separating the electrolyte solvents during operation of the battery such that the anode-side electrolyte solvent is present disproportionately at the anode and the cathode-side electrolyte solvent is present disproportionately at the cathode, the battery can benefit from desirable characteristics of both electrolyte solvents (e.g., relatively low lithium reactivity of the anode-side electrolyte solvent and relatively high polysulfide solubility of the cathode-side electrolyte solvent). | 05-27-2010 |
20100136384 | Battery thermal event detection system using an electrical conductor with a thermally interruptible insulator - A method and apparatus is provided for determining when a battery, or one or more batteries within a battery pack, undergoes an undesired thermal event such as thermal runaway. The system uses an insulated conductive member mounted in close proximity to, or in contact with, an external surface of the battery or batteries to be monitored. A voltage measuring system is coupled to the conductive core of the insulated conductive member, the voltage measuring system outputting a first signal when the temperature corresponding to the battery or batteries is within a prescribed temperature range and a second signal when the temperature exceeds a predetermined temperature that falls outside of the prescribed temperature range. | 06-03-2010 |
20100136385 | Method and apparatus for maintaining cell wall integrity during thermal runaway using an outer layer of intumescent material - A method and apparatus is provided in which a layer of an intumescent material surrounds the casing of a battery, the layer helping to prevent the formation of perforations in the battery casing during a thermal runaway event and, if a perforation is formed, inhibiting the flow of hot, pressurized gas from within the battery. A sleeve, surrounding the cell, may be used to contain the intumescent material during the thermal event. | 06-03-2010 |
20100143769 | Anodic Dendritic Growth Suppression System for Secondary Lithium Batteries - Provided herein are methods for manufacturing lithium-metal anode [ | 06-10-2010 |
20100143770 | CID Retention Device For Li-ion Cell - A low pressure current interrupt device (CID) activates at a minimal threshold internal gauge pressure in a range of, for example, between about 4 kg/cm | 06-10-2010 |
20100173180 | BATTERY MANAGEMENT SYSTEM - A battery management system can include a battery having a plurality of cells, a plurality of devices coupled to the battery, and a control unit coupled to a first device of the devices. The devices can assess the statuses of the cells. The control unit can communicate with a destination device of the devices via a default path and can communicate with the destination device via a backup path if an undesirable condition occurs in the default path. | 07-08-2010 |
20100178538 | NON-UNIFORM CONDUCTIVE COATING FOR CATHODE ACTIVE MATERIAL - Cathodes that include an active cathode material are described. The active cathode material can be coated. | 07-15-2010 |
20100183903 | UTILITY SCALE OSMOTIC GRID STORAGE - Systems and methods for the storage of potential energy that may be readily converted to electrical power delivered to a customer or grid distribution are disclosed. This method may involve the use of salinity gradients, or as they may be also described, osmotic pressure gradients or differences between two solutions, to produce hydraulic pressure in a concentrated solution, allowing for the generation of power. | 07-22-2010 |
20100190041 | System and method for balancing battery cells - A system for cell balancing comprises battery modules and a controller. Each of the battery modules comprises battery cells, balance circuits and a battery management module. The battery management module in each of the battery modules is coupled to the battery cells and for acquiring cell voltages of battery cells. The balance circuits are coupled to the battery cells and for performing balance operation on the battery cells under control of the battery management module. The controller is coupled to the battery modules and for generating a reference signal based on the cell voltages provided by each of the battery modules. The battery management module in each of the battery modules can control the balance circuits to balance the battery cells according to the reference signal, thereby achieving cell balance among the battery modules. | 07-29-2010 |
20100190042 | ELECTROCHEMICAL ENERGYSTORAGE DEVICE HAVING A RESERVOIR FOR AN ADDITIVE - An electrochemical energy storage device includes at least one cell having at least one cathode, one anode, and one electrolyte which enables a current flow from the anode to the cathode. The electrochemical storage device is connected to a reservoir which contains a cover layer-forming additive. | 07-29-2010 |
20100190043 | AIR BATTERY SYSTEM AND METHODS FOR USING AND CONTROLLING AIR BATTERY SYSTEM - An air battery system has a sealed air battery cell ( | 07-29-2010 |
20100196746 | CATALYST MATERIAL FOR PRODUCING OXYGEN GAS FROM WATER - Provided is a catalyst material comprising aggregates of nanoneedles of mainly R-type manganese dioxide and having a mesoporous structure. With this, water can be oxidatively decomposed under visible light at room temperature to produce oxygen gas, proton and electron. Also provided is a catalyst material comprising aggregates of nanoparticles of mainly hydrogenated manganese dioxide. With this, acetic acid or an inorganic substance can be synthesized from carbon dioxide gas. | 08-05-2010 |
20100209745 | MICROPOROUS POLYOLEFIN MEMBRANE, ITS PRODUCTION METHOD, BATTERY SEPARATOR AND BATTERY - The invention relates to a microporous membrane. The membrane can have an average thickness of 23 ?m or more, an air permeability in a range of about 20 sec/100 cm | 08-19-2010 |
20100221586 | THERMAL ENERGY BATTERY AND METHOD FOR COOLING TEMPERATURE SENSITIVE COMPONENTS - A thermal energy battery for cooling temperature sensitive components comprises a composite of a sorbent with ammonia, water, alcohol, amine or a fluorocarbon refrigerant absorbed thereon and incorporated on a substrate material. The composite is encased in a containment material configured to rupture or otherwise release refrigerant desorbed by the sorbent composition when internal battery pressure reaches a threshold ΔP from the outside pressure, and thermal conduction means in thermal contact with the thermal energy battery and one or more temperature sensitive components for directing thermal energy therebetween to heat the composite and cool the temperature sensitive components. | 09-02-2010 |
20100227204 | Concentration cell energy storage device - A method and apparatus for the accumulation and storage of energy in electrically reversible manner wherein a two chamber electrochemical cell(a single one or part of an array of such cells) has an electrolyte of common specie solutions in the multi-chambers associated with cell electrodes and application of voltage to the electrodes causes dissimilar concentrations of ions in two chambers so that the energy is stored and reversing polarity of the electrodes allows energy discharge and normalization of concentration. Materials may be reversibly stored in the cell as solids when exceeding the solubility limits of the electrolyte, such storage being done preferably at porous electrode surfaces. | 09-09-2010 |
20100239892 | HEAVY VEHICLE BATTERY PACK WITH IMPROVED COOLING SCHEME - A battery pack includes a plurality of multi-cell battery modules mounted within a casing. At least one fan is mounted in an intermediate position within the casing such that airflow to the fan passes over some of the battery modules, and airflow downstream of the fan passes over others of the battery modules. In one embodiment, a fan flow direction is periodically reversed. An electronic driveline for a vehicle, including the battery pack, and a method of cooling a battery pack are also disclosed and claimed. | 09-23-2010 |
20100239893 | SODIUM-SULFUR BATTERY WITH A SUBSTANTIALLY NON-POROUS MEMBRANE AND ENHANCED CATHODE UTILIZATION - A sodium-sulfur battery is disclosed in one embodiment of the invention as including an anode containing sodium and a cathode comprising elemental sulfur. The cathode may include at least one solvent selected to at least partially dissolve the elemental sulfur and Na | 09-23-2010 |
20100239894 | TEMPERATURE CONTROLLING APPARATUS FOR BATTERY, VEHICLE APPARATUS USING THE SAME, AND CONTROLLING METHOD THEREFOR - In an ECU, a coolant fan performs cooling operation such that a control DUTY value is limited by a control DUTY value according to tolerable noise level of the cooling fan based on a vehicle speed in a case in which the temperature in the high-voltage battery is lower than a predetermined limitation for highest temperature. In a case in which the temperature in the high-voltage battery is higher than the predetermined limitation for highest temperature, the cooling fan performs the cooling operation by using an energy storage device cooling operation requirement value and an IPU cooling operation requirement value such that performance in the high-voltage battery is not affected. By doing this, a temperature controlling apparatus for batteries in which it is possible to cool the battery and solve temperature difference among a plurality of batteries can be provided. | 09-23-2010 |
20100247981 | METHOD FOR ENERGY MANAGEMENT OF COMPOSITE BATTERY AND SYSTEM FOR THE SAME - A method and system for energy management of a composite battery are provided to control and manage products of reaction going on in the composite battery. During the reaction, the gas products are usually exhausted and wasted. If the gases could be recycled, battery effectiveness would be improved. According to the present invention, the gases are collected and then recycled by an exhaust gas recycling device. In addition, the method and system involve analyzing data of the generated electrical energy, data of the produced gases, operational data of the composite battery and device data for the exhaust gas recycling device. Thus, the composite battery is controlled and managed according to the analysis, and its effects are improved. | 09-30-2010 |
20100247982 | RESERVE CELL-ARRAY NANOSTRUCTURED BATTERY - A battery having an electrode with at least one nanostructured surface is disclosed wherein the nanostructured surface is divided into cells and is disposed in a way such that an electrolyte fluid of the battery is prevented from contacting the portion of electrode associated with each cell. When a voltage is passed over the nanostructured surface associated with a particular cell, the electrolyte fluid is caused to penetrate the nanostructured surface of that cell and to contact the electrode, thus activating the portion of the battery associated with that cell. The current/voltage generated by the battery is controlled by selectively activating only a portion of the cells. Multiple cells can be active simultaneously to produce the desired voltage. The more cells that are active, the higher the current/voltage and the lower the overall life of the battery. The life of the battery can be extended by activating fewer cells simultaneously. | 09-30-2010 |
20100273032 | METHOD FOR REMOVING DILUENT FROM AN EXTRUDATE OF A POLYMER SOLUTION - The invention relates to a method for removing diluent from a polymer extrudate, especially in connection with a process for producing a microporous membrane. The method involves contacting the extrudate with a second solvent in a first stage; contacting the extrudate from the first stage with a third solvent in a second stage; conducting a first stream away from the first stage and/or conducting a second stream away from the second stage; and cooling at least a portion of the first and/or second stream and separating therefrom at least one of a first phase rich in the second solvent or a second phase rich in the third solvent. | 10-28-2010 |
20100279152 | BATTERY SYSTEMS, BATTERY MODULES, AND METHOD FOR COOLING A BATTERY MODULE - Battery systems, battery modules, and a method for cooling a battery module are provided. The battery module includes a battery cell having a first side and a second side, and a first graphite sheet disposed on the first side of the battery cell that conducts heat energy from the battery cell into the first graphite sheet to cool the battery cell. The battery module further includes a first cooling manifold coupled to the first graphite sheet that conducts heat energy from the first graphite sheet into the first cooling manifold. The first cooling manifold is further configured to receive a fluid that flows therethrough to conduct heat energy from the first cooling manifold into the fluid. | 11-04-2010 |
20100279153 | BATTERY SYSTEMS, BATTERY MODULE, AND METHOD FOR COOLING THE BATTERY MODULE - Battery systems, a battery module, and a method for cooling the battery module are provided. The battery module includes a housing having a non-conductive oil disposed therein. The battery module further includes a battery cell disposed in the housing. The battery module further includes a cooling manifold disposed in the housing that contacts the non-conductive oil. The cooling manifold is configured to receive a fluid therethrough and to conduct heat energy from the non-conductive oil into the fluid to cool the battery cell. | 11-04-2010 |
20100279154 | BATTERY SYSTEMS, BATTERY MODULES, AND METHOD FOR COOLING A BATTERY MODULE - Battery systems, battery modules, and a method for cooling a battery module are provided. The battery module includes a first battery cell, and a first cooling fin having a first panel portion and first and second rail portions that are disposed on first and second ends, respectively, of the first panel portion. The first battery cell is disposed adjacent to a first side of the first panel portion. The first and second rail portions have a thickness greater than the first panel portion. The first cooling fin conducts heat energy from the first battery cell into the first cooling fin to cool the first battery cell. The battery module further includes first and second conduits extending through the first and second rail portions, respectively, that receive a fluid that flows through the first and second conduits to conduct heat energy from the first cooling fin into the fluid. | 11-04-2010 |
20100279155 | LITHIUM-ION BATTERY WITH ELECTROLYTE ADDITIVE - A rechargeable lithium-ion battery includes a positive electrode and a negative electrode that includes a lithium titanate active material. A separator is provided between the positive electrode and the negative electrode. The battery also includes an electrolyte and an electrolyte additive comprising at least one boroxine ring. | 11-04-2010 |
20100285338 | SYSTEM AND METHOD FOR PRESSURE DETERMINATION IN A Li-ION BATTERY - An electrochemical battery system in one embodiment includes a first electrode, a second electrode spaced apart from the first electrode, a separator positioned between the first electrode and the second electrode, an active material within the second electrode, a pressure sensor in fluid connection with the second electrode, a memory in which command instructions are stored, and a processor configured to execute the command instructions to obtain a pressure signal from the pressure sensor associated with the pressure within the second electrode, and to identify a state of charge of the electrochemical battery system based upon the pressure signal. | 11-11-2010 |
20100291416 | STATE OF CHARGE MARKER FOR BATTERY SYSTEMS - An exemplary embodiment includes a battery cell electrode including a first material having a first potential versus state of charge (SOC) relationship; a second material having a second potential versus state of charge (SOC) relationship; wherein the second material becomes active to transfer ions at a selected SOC level to result in a readily observable change in measured potential from the first to the second potential versus SOC relationship. | 11-18-2010 |
20100291417 | METHOD FOR DETERMINING EXTENT AND TYPE OF CAPACITY FADE - A method of determining extent and type of capacity fade of an electrochemical cell in one embodiment includes identifying a first volume fraction of an active material in an electrode, identifying a first capacity of the first electrode at another time, identifying a second volume fraction of the first active material based upon the first capacity, identifying a first amount of the first active material lost from the first time to the second time based upon the first volume fraction and the second volume fraction, identifying a third volume fraction of an active material in another electrode, identifying a second capacity of the second electrode at a later time, identifying a fourth volume fraction of the second active material based upon the second capacity, and identifying a second amount of the second active material lost based upon the third volume fraction and the fourth volume fraction. | 11-18-2010 |
20100291418 | BATTERY PACKS, SYSTEMS, AND METHODS - A movable, portable, and instantly attachable/detachable battery pack includes batteries enclosed in a case with a ground transportation structure, such as wheels, coasters, and runners. The battery pack can include handles and mating connectors. The ground transportation structure allows the majority of the weight of the battery packs to be supported by the ground during transportation. The person who moves the battery pack only needs to use a minimum force sufficient to move the battery pack in a direction perpendicular to the force of gravity. Battery packs disclosed herein can be easily maneuvered into a building or structures to be recharged or swapped. | 11-18-2010 |
20100291419 | BATTERY PACK HEAT EXCHANGER, SYSTEMS, AND METHODS - A battery pack heat exchanger, system, and method comprises a plurality of battery modules comprising a heat exchanger having an outer shell and a plurality of cylinders extending within the outer shell. A plurality of battery cells are positioned within the plurality of cylinders and a coolant is poured into the shell via a fill port. As a result, the coolant is able to absorb and dissipate localized heat produced by the battery cells throughout the heat exchanger. Therefore, if one battery cell undergoes a thermal run-away, the heat will be distributed throughout the shell volume thereby greatly reducing the likelihood that battery cells directly adjacent the run-away cell absorb the brunt of the heat and undergo thermal run-away themselves. | 11-18-2010 |
20100291420 | Novel Vanadium Halide Redox Flow Battery - A vanadium halide redox cell including: a positive half cell containing a positive half cell solution including a halide electrolyte, a polyhalide complex, vanadium (IV) halide and vanadium (V) halide; a negative half cell containing a negative half cell solution including a halide electrolyte, vanadium (II) halide and vanadium (III) halide; wherein the ratio of the number of moles of polyhalide complex and vanadium (V):number of moles of vanadium (II) halide is about stoichiometrically balanced and wherein the ratio of the number of moles of polyhalide complex:the number of moles of vanadium (II) halide is in the range of from about 0.7:2 to about 1.3:2. | 11-18-2010 |
20100297480 | LITHIUM BATTERY WHICH IS PROTECTED IN CASE OF INAPPROPRIATE USE - A lithium battery comprises at least a positive electrode containing a material whose lithium insertion and deinsertion potential is lower than or equal to 3.5 Volts in relation to the potential of the Li+/Li couple, a negative electrode and a non-aqueous electrolyte disposed between the positive and negative electrodes. The electrolyte comprises at least a lithium salt dissolved in an aprotic organic solvent wherein a polymerizable additive is added, chosen from carbazol and the derivatives thereof and being used to prevent the battery from operating as soon as the voltage at the terminal connections of the battery reaches a value resulting in polymerization of the additive. | 11-25-2010 |
20100304192 | System for altering temperature of an electrical energy storage device or an electrochemical energy generation device using high thermal conductivity materials based on states of the device - A method is generally described which includes altering temperature of an electrical energy storage device or an electrochemical electrochemical energy generation device, includes providing at least one thermal control structure formed of a high thermal conductive material, the high thermal conductive material having a high k-value. The high k-value is greater than approximately 410 W/(m*K). The thermal control structures are disposed adjacent at least a portion of the electrical energy storage device or the electrochemical electrochemical energy generation device. The thermal control structures are configured to provide heat transfer away from the portion of the electrical energy storage device or the electrochemical electrochemical energy generation device. Further, the method includes configuring a controller with a control algorithm to control the actions of a controllable fluid flow device as a function of current draw from the electrical energy storage device or the electrochemical electrochemical energy generation device, the electrical energy storage device or the electrochemical electrochemical energy generation device configured to provide electrical current and the controllable fluid flow device providing a fluid to the at least one thermal control structure. Further still, the method includes providing an electrical characteristic sensor coupled to the electrical energy storage device or the electrochemical electrochemical energy generation device and configured to sense at least one electrical characteristic of the electrical energy storage device or the electrochemical electrochemical energy generation device and to provide a signal representative of the at least one characteristic to the controller. | 12-02-2010 |
20100304193 | METHODS AND SYSTEMS FOR CONDITIONING ENERGY STORAGE SYSTEMS OF VEHICLES - A method for conditioning an energy storage system for a vehicle located in a geographic area includes the steps of obtaining data pertaining to an external temperature of the geographic area, measuring a temperature of the energy storage system, heating the energy storage system if the temperature is less than a first predetermined threshold, and cooling the energy storage system if the temperature is greater than a second predetermined threshold. The first predetermined threshold is dependent upon the external temperature. The second predetermined threshold is also dependent upon the external temperature. | 12-02-2010 |
20100304194 | PROCESS FOR MAKING FILL HOLE IN A WALL OF AN ENERGY STORAGE DEVICE - A method of forming an energy storage device includes forming a fill hole in a wall of the energy storage device. The method also includes deforming the wall of the energy storage device to reduce a width of the fill hole. Moreover, the method includes sealing the fill hole. | 12-02-2010 |
20100330400 | Apparatus and methods for battery installation - Apparatus and methods for placement of battery packs in portable information handling systems such as notebook and netbook computers. A first set of pivot features may be provided on opposing sidewalls of a battery well that interface with a corresponding set of mating pivot features provided on exterior end surfaces of a battery pack such that the battery pack may be pivoted into and out from the battery well to install or release it from the system, e.g., pivoted from the bottom of the portable information handling system in a manner that does not interfere with, or require modification to, the lid and display of the portable information handling system. A latch mechanism and battery release feature may be further provided that acts to transfer horizontal manipulation (e.g., horizontal sliding motion) of the battery release feature to a vertical latching action that acts to lift the battery pack out from the portable information handling system chassis when releasing the battery pack from the chassis. | 12-30-2010 |
20100330401 | NON-BALANCED LITHIUM-ION MICROBATTERY - The lithium-ion microbattery comprises a positive electrode having a first Li | 12-30-2010 |
20110003182 | Connection scheme for multiple battery cells - A series-parallel battery system with a buffer resistor coupled to each junction of batteries or battery cells. Buffer resistors on the same row are coupled to a measurement node. Terminals of the battery system and the measurement nodes are treated as measurement points that are coupled to a conventional battery management unit. The buffer resistors provide a means for limiting in-rush current and a means for maintaining voltage balance across the row of batteries in the parallel columns of batteries. A control unit in series with each series of batteries monitors current in the series and comprises a switch to deactivate the column when the current exceeds a set of predetermined current levels. | 01-06-2011 |
20110003183 | COMMON MODE VOLTAGE ENUMERATION IN A BATTERY PACK - An apparatus and method for these embodiments of the present invention, useful in manufacturing for example, includes a plurality of battery modules serially intercoupled together, each module including a housing with an anode connector and a cathode connector, each housing including a memory for storing a module identifier and wherein an anode connector of a first module is coupled to a cathode connector of a second module; and a processing system, coupled to each the module, for determining a plurality of positional attributes of each the module, one positional attribute associated with each the module of the plurality of modules, the processing system writing an ID into the memory of each particular module responsive to the associated positional attribute for the particular module. | 01-06-2011 |
20110014503 | ALKALINE EARTH METAL ION BATTERY - Electrochemical cells having molten electrodes comprising an alkaline earth metal provide receipt and delivery of power by transporting atoms of the alkaline earth metal between electrode environments of disparate the alkaline earth metal chemical potentials. | 01-20-2011 |
20110014504 | LITHIUM SECONDARY BATTERY - In order to provide a lithium secondary battery having high terminal-to-terminal open circuit voltage at the end of charge, suppressed amount of evolved gas on continuous charge, and superior cycle characteristics, the electrolyte solution thereof comprises either both vinylethylene carbonate compound and vinylene carbonate compound, lactone compound having a substituent at its α position in an amount of 0.01 weight % or more and 5 weight % or less, lactones having an unsaturated carbon-carbon bond in an amount of 0.01 weight % or more and 5 weight % or less, or sulfonate compound represented by the formula below. | 01-20-2011 |
20110020673 | LOW NOISE BATTERY - An illustrative embodiment provides an apparatus comprising a positive electrode, a negative electrode, a separator, a first conductor, and a second conductor. The positive electrode and the negative electrode are separated by the separator. The first conductor is configured to transmit a first electrical current from the positive electrode. Also, the second conductor is configured to transmit a second electrical current from the negative electrode. A direction of the first electrical current transmitted through the first conductor is substantially opposite to a direction of the second electrical current transmitted through the second conductor. A magnitude of the first electrical current is substantially equal to a magnitude of the second electrical current. The first and second conductors are proximate to one another and a first portion of one of the first and second conductors is located inside the case along a separation distance, and a second portion of the one of the first and second conductors is located outside the case along the separation distance. | 01-27-2011 |
20110027625 | BATTERY MODULE AND METHOD FOR COOLING THE BATTERY MODULE - A battery module and a method for cooling the battery module are provided. The battery module includes a housing having an electrically non-conductive oil disposed therein, and a battery cell disposed in the housing that contacts the electrically non-conductive oil. The battery module further includes first and second heat conductive fins disposed in the housing that contacts the electrically non-conductive oil. The first and second heat conductive fins extract heat energy from the electrically non-conductive oil. The battery module further includes first and second conduits extending through the first and second heat conductive fins, respectively. The first and second conduits receive first and second portions of a fluid, respectively, therethrough and conduct heat energy from the first and second heat conductive fins, respectively, into the fluid to cool the battery cell. | 02-03-2011 |
20110027626 | ELECTRICAL STORAGE ELEMENT CONTROL SYSTEM FOR A VEHICLE - An electrical storage element control system for a vehicle. The control system includes electrical storage elements electrically coupled to each other in parallel, switch devices, and a controller. Each of the electrical storage elements defines a total storage capacity and having a state of charge cooperatively defining a total stored charge, and is adapted to be in electrical communication with an electrical load and a power source. The switch devices are electrically coupled to the electrical storage elements such that each switch device is associated with a corresponding electrical storage element and is operable between connected and disconnected states. The controller is in electrical communication with the switch devices to selectively vary each of the switch devices between the connected state and the disconnected state to connect and disconnect one or more of the electrical storage elements relative to the load based on the total stored charges and relative to the power source based on the total storage capacities of the electrical storage elements. | 02-03-2011 |
20110027627 | Fluid-surfaced electrode - An electrochemical device (such as a battery) includes at least one electrode having a fluid surface, which may employ a surface energy effect to maintain a position of the fluid surface and/or to modulate flow within the fluid. Fluid-directing structures may also modulate flow or retain fluid in a predetermined pattern. An electrolyte within the device may also include an ion-transport fluid, for example infiltrated into a porous solid support. | 02-03-2011 |
20110027628 | Instrumented fluid-surfaced electrode - An electrochemical device (such as a battery) includes at least one electrode having a fluid surface and one or more sensors configured to detect an operating condition of the device. Fluid-directing structures may modulate flow or retain fluid in response to the sensors. An electrolyte within the device may also include an ion-transport fluid, for example infiltrated into a porous solid support. | 02-03-2011 |
20110027629 | Instrumented fluid-surfaced electrode - An electrochemical device (such as a battery) includes at least one electrode having a fluid surface and one or more sensors configured to detect an operating condition of the device. Fluid-directing structures may modulate flow or retain fluid in response to the sensors. An electrolyte within the device may also include an ion-transport fluid, for example infiltrated into a porous solid support. | 02-03-2011 |
20110039135 | LIQUID POWERED ASSEMBLY - A liquid powered assembly including a housing; a removable bottom base; a seal; an electrolyte battery assembly; and, a liquid powered device. The housing includes an upper end portion and a lower end portion. The housing has a volume therein for containing an electrolyte solution. The lower end portion has a fluid inlet. The removable bottom base is removably attached to the lower end portion of the housing. The removable bottom base has a bottom surface for supporting the liquid powered assembly. A seal engages the housing and the removable bottom base for providing fluidic sealing engagement therebetween. An electrolyte battery assembly is positioned within the housing. A liquid powered device is operably attached to the electrolyte battery assembly. To provide operation, the housing and the removable bottom base are detached relative to each other and the housing is turned substantially upside down to allow filling of the housing via the inlet. The bottom base is then attached to the housing and the assembly is then inverted for use. | 02-17-2011 |
20110045323 | CURRENT LIMITING APPARATUS AND METHOD - A battery pack ( | 02-24-2011 |
20110052943 | ACCUMULATOR HAVING PROLONGED SERVICE LIFE - An electrical energy storage device includes at least one galvanic cell partly surrounded by a cell sheath, at least one heat-conducting device effectively connected to the galvanic cell, the heat-conducting device being suitable for supplying heat energy to the cell and/or conducting heat energy from the cell, a cell holding device enclosing an interior space at least partially with a wall, the interior space being suitable for accommodating each galvanic cell, and the cell sheath being at least partly effectively connected to the wall, at least one first measurement device suitable for acquiring a temperature at a prespecified position of the galvanic cell, and a control device suitable for evaluating a signal of each first measurement device that is present and/or for controlling the heat-conducting devices, heat-conducting apparatus being situated between the cell sheath and at least one of the wall of cell holding device and an additional cell sheath. | 03-03-2011 |
20110052944 | DEVICE FOR HEATING A RECHARGEABLE BATTERY, CHARGER, AND ACCESSORY ELEMENT - The invention relates to a method for heating a rechargeable battery in which the rechargeable battery is supplied with voltage in such a way that the current flowing in the rechargeable battery heats the rechargeable battery without essentially charging the rechargeable battery. The invention also relates to a charger for carrying out the method. | 03-03-2011 |
20110052945 | Sodium Based Aqueous Electrolyte Electrochemical Secondary Energy Storage Device - A secondary hybrid aqueous energy storage device includes an anode electrode, a cathode electrode which is capable of reversibly intercalating sodium cations, a separator, and a sodium cation containing aqueous electrolyte, wherein an initial active cathode electrode material comprises an alkali metal containing active cathode electrode material which deintercalates alkali metal ions during initial charging of the device. | 03-03-2011 |
20110081562 | OPTICAL LEAK DETECTION SENSOR - A leak detection sensor for detecting a leakage of an electrolyte solution in a flow battery system is provided. The sensor includes a sensor housing, the sensor housing being at least partially surrounded by a fluid and having mounted therein at least one light source. The device also includes at least one light detector, wherein light emitted from at least one light source is incident on a portion of the housing in contact with a fluid and is at least partially refracted by an amount which is dependent on a refractive index of the refractor lens and the surrounding fluid, such that the amount of refraction at the refractor lens and the surrounding fluid causes a loss in a power of light detected by the at least one light detector, the light detector determines the intensity of the detected light, determines the composition of fluid surrounding the device housing based on the based on the difference between the measured light intensity and the intensity of light produced by the light source, and determines a leak if the composition of fluid is determined to be an electrolyte solution. | 04-07-2011 |
20110081563 | LITHIUM RESERVOIR SYSTEM AND METHOD FOR RECHARGEABLE LITHIUM ION BATTERIES - A lithium-ion battery cell includes at least two working electrodes, each including an active material, an inert material, an electrolyte and a current collector, a first separator region arranged between the at least two working electrodes to separate the at least two working electrodes so that none of the working electrodes are electronically connected within the cell, an auxiliary electrode including a lithium reservoir, and a second separator region arranged between the auxiliary electrode and the at least two working electrodes to separate the auxiliary electrode from the working electrodes so that none of the working electrodes is electronically connected to the auxiliary electrode within the cell. | 04-07-2011 |
20110086250 | METHOD AND APPARATUS FOR STORING ELECTRICAL POWER BY EVAPORATING WATER - Electrical energy is stored in a concentrated solution. To recover the energy, the concentrated solution is rediluted for example by pressure retarded osmosis. The concentrated solution is generated by evaporation of the exhaust solution from the energy recovery process. The evaporation is enhanced by electrically powered enhancement means and the corresponding electrical input constitutes the power to be stored. The enhanced evaporation also draws heat from the environment, whereby the input electrical energy is augmented, partially or completely offsetting inefficiencies in the system. In grid applications, when demand for electricity is high the enhancement is discontinued and power is generated from the stored concentrated brine. Alternatively the evaporation enhancement may draw power from a power source that does not operate continuously, such as a renewable energy source. The stored brine is employed to generate power during periods when the renewable energy source falls below a predetermined power supply capability. | 04-14-2011 |
20110091749 | Battery Pack - In a battery pack having a plurality of electrochemical battery cells arranged in one or more battery pack modules having inter-cell spaces defined between the cells, a method and apparatus diverts hot material vented from a failed battery cell into adjacent inter-cell spaces without permitting the hot material to directly impinge upon an adjacent battery cell end. Optionally the heat evolved from the cell failure is also conducted within the structure of the battery pack by thermally conductive elements to further dissipate it. | 04-21-2011 |
20110091750 | Temperature Control of a Vehicle Battery - The method for thermal management of a battery can include vehicle systems to control the thermal input to the battery and a dedicated battery thermal management system. The battery thermal management system includes transferring battery heat to coolant flowing in a circuit, if ambient air temperature is greater than the battery temperature, using an evaporator/chiller to transfer heat from the coolant to a refrigerant, using a condenser to transfer heat from the refrigerant to the coolant, and using a radiator to transfer heat from the coolant to ambient air; and if coolant can be maintained in the reference temperature range without using a heat source or refrigerant, using a radiator to transfer heat from the coolant to the ambient air. | 04-21-2011 |
20110097610 | Energy storage device - An energy storage device is constructed from a plurality of supercap cells. In each case, some of these supercap cells are interconnected electrically to a storage module. Each of the storage modules is disposed in a housing. The individual supercap cells are in at least indirect heat-conducting contact with the housing. A plurality of the housings are stacked above one another or adjacent to one another such that a fluid can flow through at least partial regions between the housings. | 04-28-2011 |
20110097611 | BATTERY AND METHOD FOR GENERATING ELECTRICAL POWER USING THE BATTERY - A battery includes: a container; an electrolyte received in the container; and first and second electrodes disposed in the electrolyte and having different electrical potentials upon exposure to the electrolyte. | 04-28-2011 |
20110104525 | BATTERY PACK AND DRIVING METHOD THEREOF - A battery pack and a driving method thereof. The battery pack includes a battery cell; a charge switch and a discharge switch installed in a charge/discharge line of a battery cell; and a microcontroller to sense and store voltages of the battery cell, to compare the voltages of the battery cell before and after the microcontroller is reset, and to controls the charge switch and the discharge switch based on the sensed voltages of the battery cell such that the microcontroller turns off only one of the charge switch and the discharge switch when there is a change between the voltages of the battery cell before and after the microcontroller is reset. | 05-05-2011 |
20110104526 | SOLID-STATE SODIUM-BASED SECONDARY CELL HAVING A SODIUM ION CONDUCTIVE CERAMIC SEPARATOR - The present invention provides a solid-state sodium-based secondary cell (or rechargeable battery). While the secondary cell can include any suitable component, in some cases, the secondary cell comprises a solid sodium metal negative electrode that is disposed in a non-aqueous negative electrolyte solution that includes an ionic liquid. Additionally, the cell comprises a positive electrode that is disposed in a positive electrolyte solution. In order to separate the negative electrode and the negative electrolyte solution from the positive electrolyte solution, the cell includes a sodium ion conductive electrolyte membrane. Because the cell's negative electrode is in a solid state as the cell functions, the cell may operate at room temperature. Additionally, where the negative electrolyte solution contains the ionic liquid, the ionic liquid may impede dendrite formation on the surface of the negative electrode as the cell is recharged and sodium ions are reduced onto the negative electrode. | 05-05-2011 |
20110111268 | Interlock Mechanism for a Multiple Battery Pack - A method for operating a battery system having multiple battery packs. The method includes decoupling the output of a discharged battery pack from the vehicle load, reducing the voltage between an output of a charged battery pack and the vehicle load prior to coupling the output of the charged battery pack to the vehicle load. | 05-12-2011 |
20110111269 | Flash Cooling System for Increased Battery Safety - In a battery pack having multiple battery cells distributed, for example, between multiple interconnected battery modules, a run-time cooling system is provided to cool (and/or heat) the battery cells during routine charging and discharging of the cells (e.g., powering a load such as a motor within an electric or hybrid-electric vehicle), and an emergency cooling system to cool the battery cells in response to a signal indicating detection of one or more conditions indicating possible thermal runaway within the battery cells or battery modules. The run-time cooling system, which may include a fan, HVAC unit or other fluid pumping device, induces continuous coolant flow within the battery pack (e.g., flow of air or other gaseous or liquid coolant). The emergency cooling system, by contrast, includes a mechanical interface or is otherwise adapted to receive a receptacle containing pressurized coolant or other flash-cooling device. | 05-12-2011 |
20110117395 | Device and Method for Performing a Reverse Electrodialysis Process - Device and method for performing electrolyses, such as a reverse electrodialysis process, comprising:—a first compartment provided with at least a first and a second electrode;—a second compartment separated from the first compartment and provided with at least a first and a second electrode;—a switching element ( | 05-19-2011 |
20110117396 | Battery Pack and Method of Preventing Cap Disassembly or Cell Replacement in the Battery Pack - A battery pack having a function for preventing operation of the battery pack when an abnormal replacement of a battery cell is detected or preventing a use of the battery pack in which a cap has been removed. The battery pack generates an encryption code and writes the encryption code to data flash when a battery cell is normally discharged according to a first voltage, and if an abnormal power-on reset is detected on the battery cell, the battery pack may check the stored encryption code to a second encryption code generated upon power-on reset. If the codes do not match, firmware of the battery pack is deleted and/or a fuse is blown, making it is possible to prevent the battery pack from being re-used when the battery cell has been replaced or in which a cap has been removed. | 05-19-2011 |
20110135974 | System and Method for Monitoring Electrolyte Levels in a Battery - A measuring device is used in conjunction with a programmable controller for monitoring electrolyte levels in the battery. According to one implementation, the measuring device is located in a battery and is configured to detect when the electrolyte level in the battery falls below a particular level. The controller is in electrical communication with the electrolyte detection device. The controller is configured to: (i) receive a signal from the electrolyte level detection device indicating when the electrolyte level in the battery has fallen below the particular level; (ii) introduce a wait-period after the signal is received; and (iii) enable an indicator to indicate that the electrolyte level in the battery should be refilled when the wait-period expires. | 06-09-2011 |
20110143173 | Metal Oxygen Battery Containing Oxygen Storage Materials - A battery system includes a metal oxygen battery. The metal oxygen battery includes a first electrode, an oxygen storage material, and a selective transport member separating the oxygen storage material and the first electrode. | 06-16-2011 |
20110143174 | LITHIUM SECONDARY BATTERY AND METHOD OF CONTROLLING SHORT RESISTANCE THEREOF - Provided is a lithium secondary battery including a positive electrode having a positive electrode active material, a negative electrode having a negative electrode active material, and a polymer electrolyte composition having a polymer electrolyte, a non-aqueous organic solvent, and a lithium salt. The content of the polymer electrolyte is 9 to 20 wt %, based on the total weight of the polymer electrolyte composition. | 06-16-2011 |
20110143175 | UNDERWATER POWER GENERATION - A method for providing auxiliary electrical power to an underwater well installation, the installation being linked to a surface location via an umbilical cable, to supplement any electrical power received at the installation from the umbilical cable, comprises the steps of: providing power generation means at the installation; and providing an electrical power output line for transferring electrical power generated by the power generation means to the installation. | 06-16-2011 |
20110151289 | ENERGY STORAGE DEVICE AND ASSOCIATED METHOD - An energy storage device is provided. The energy storage device includes a cathode material and a separator in electrical communication with the cathode material. The cathode material includes zinc. The separator has a first surface that defines at least a portion of a first chamber, and a second surface that defines a second chamber. The first chamber is in ionic communication with the second chamber through the separator. The separator includes an alkali-metal-ion conducting material and a toughening material. A method for operating the energy storage device is also provided. Furthermore, an energy storage system including the energy storage device is provided. | 06-23-2011 |
20110151290 | CRYSTALLINE-AMORPHOUS NANOWIRES FOR BATTERY ELECTRODES - Electrodes, batteries, methods for use and manufacturing are implemented to provide ion-based electrical power sources and related devices. Consistent with one such method, a battery electrode is produced having nanowires of a first material. The electrode is produced using a single growth condition to promote growth of crystalline nanowires on a conductive substrate and of the first material, and promote, by maintaining the growth condition, growth of an amorphous portion that surrounds the crystalline nanowires. | 06-23-2011 |
20110151291 | Battery Power Supply Having a Fluid Consuming Battery with an Improved Fluid Manager - A power source is provided for supplying electrical power to a device. The power source includes a fluid consuming battery comprising a fluid consuming electrode, the battery supplying a battery output power. The power source also includes a fluid manager for controlling the rate of fluid supplied to the fluid consuming battery, a communication link for receiving data defining device criteria for at least one device operating event, a power output for receiving the battery output power and supplying a power source output according to the device criteria, and a controller for controlling operation of the air manager based on the device criteria and a load. The device criteria for the device operating event includes at least one predetermined energy requirement estimate. | 06-23-2011 |
20110165442 | STORAGE BATTERY SYSTEM, STORAGE BATTERY MONITORING DEVICE, AND STORAGE BATTERY MONITORING METHOD - In order to identify whether each of the cells in a storage battery system is available, the storage battery system is equipped with secondary cell packs, information storage parts which are respectively installed to the secondary cell packs to store cell information on the respective secondary cell packs, and monitor device which judges whether loading to the storage battery system is possible according to the cell information stored in the information storage part. | 07-07-2011 |
20110165443 | METHOD FOR CONTROLLING A THERMOREGULATION DEVICE FOR A POWER SUPPLY BATTERY OF AN ELECTRIC TRACTION VEHICLE - The present invention related to a method for controlling a thermoregulation device for an electric vehicle power supply that is cooled by a coolant caused to flow by means for applying a flow rate of said fluid controlled by said thermoregulation device, said method comprising a step of predetermining a noise level prevalent in the passenger compartment of the vehicle, said noise level being predetermined on the bases of at least one of the following variables: engine load, engine speed, air conditioning pulser speed, or vehicle speed; and a second step of predetermining said flow rate of said coolant to be applied on the basis of the power supply battery temperature, the temperature of said coolant at the input of said battery, and said noise level predetermined during said first step. The invention can be used immediately in the automotive field. | 07-07-2011 |
20110171503 | LIQUID ELECTROLYTE STORAGE BATTERY AND METHOD FOR FILLING - The liquid electrolyte storage battery includes a battery case consisting of a top wall, a bottom wall and a side wall delineating a cavity. The top wall includes an electrolyte injection hole. The battery case also includes a lateral hole formed in a bottom area of the side wall and defining a tank area for a liquid electrolyte solution. The tank area is delineated by the bottom wall, the side wall and a plane parallel to the bottom wall and passing via the lower edge of the lateral hole. | 07-14-2011 |
20110189510 | Nano-Composite Anode for High Capacity Batteries and Methods of Forming Same - A battery anode comprised of a coated metallic nanowire array is disclosed. In one embodiment, an array of copper nanowires is attached to a copper substrate and coated with amorphous silicon. The center to center spacing of the nanowires and their diameter and the coating thickness are set so that the silicon coating of neighboring nanowires does not touch or severely inhibit electrolyte flow after the silicon layer has expanded due to charge insertion. In another embodiment, the silicon coating fully covers the nanowires and the nanowires provide structural support that ameliorates stress in the silicon film due to charge cycling. | 08-04-2011 |
20110189511 | BATTERY SYSTEM AND DRIVING METHOD THEREOF - A battery system capable of cooling overheated battery packs among a plurality battery packs each mounted in a battery case by measuring temperatures of the battery packs is disclosed, and a driving method thereof is provided. In one embodiment, the battery system includes a plurality of battery packs, an air compressor for supplying a compressed cooling air to the plurality of battery packs, a gas dividing unit coupled between the plurality of battery packs and the air compressor and including a plurality of valves, and a controller for controlling opening and closing of each of the plurality of valves according to temperatures of the plurality of battery packs. | 08-04-2011 |
20110189512 | CID Retention Device for Li-Ion Cell - A low pressure current interrupt device (CID) activates at a minimal threshold internal gauge pressure in a range of, for example, between about 4 kg/cm | 08-04-2011 |
20110200851 | VENT CAP WITH WATERING VALVE - A vent cap includes a main body configured to be received within an opening in a cover of a battery cell, the main body including a fluid flow path formed therethrough to facilitate a flow of a fluid to be added to the battery cell, a valve moveably disposed within the flow path to selectively open and close the fluid flow path, and a float coupled to the valve and positioned to float adjacent a surface of a fluid disposed within the battery cell, the float causing the valve to open the fluid flow path at a pre-determined fluid level within the battery cell to permit the fluid to be added to the battery cell to flow through the fluid flow path, wherein the fluid flow path is configured to minimize an impinging on the float by the fluid to be added to the battery cell. | 08-18-2011 |
20110200852 | METHOD FOR CONTROLLING SODIUM-SULFUR BATTERY - A plurality of sodium-sulfur batteries are divided into a plurality of groups. Power to be input or output, which is assigned to all sodium-sulfur batteries in order to compensate for fluctuations of output power of a power generation device, is distributed to each group. The plurality of sodium-sulfur batteries divided in the groups are periodically rotated. This enables a uniform utilization rate of the sodium-sulfur batteries to be achieved. | 08-18-2011 |
20110206951 | HYBRID VEHICLE BATTERY HEATER BY EXHAUST GAS RECIRCULATION - An exhaust gas recirculation circuit with an engine having an intake manifold and an exhaust manifold, a heat exchanger having an inlet in selective fluid communication with the exhaust manifold and an outlet in fluid communication with the intake manifold, wherein the heat exchanger is in a heat exchange relationship with at least a portion of a battery. A method of managing a battery of a hybrid vehicle by sensing a temperature of the battery; comparing the sensed temperature with a lower threshold; if the battery temperature is less than a lower threshold, flowing exhaust gasses from an engine to a heat exchanger in a heat exchange relationship with at least a portion of the battery; if the battery temperature is greater than the lower threshold, utilizing the battery. | 08-25-2011 |
20110206952 | DETERMINATION SYSTEM AND DETERMINATION METHOD FOR DETERMINING WHETHER METAL LITHIUM IS PRECIPITATED IN A LITHIUM ION SECONDARY BATTERY, AND VEHICLE EQUIPPED WITH THE DETERMINATION SYSTEM - A determination system for determining whether metal lithium is precipitated in a lithium ion secondary battery includes: a discharging unit that causes the lithium ion secondary battery to perform constant current discharge until a voltage of the lithium ion secondary battery becomes a voltage corresponding to a predetermined low state of charge; a natural increase acquisition unit that acquires a natural increase in voltage of the lithium ion secondary battery after the constant current discharge is terminated; and a precipitation determining unit the compares the acquired natural increase with a predetermined threshold, that determines that the metal lithium is not precipitated when the natural increase is larger than or equal to the threshold, and that determines that the metal lithium is precipitated when the natural increase is smaller than the threshold. | 08-25-2011 |
20110206953 | METHOD FOR CONTROLLING SODIUM-SULFUR BATTERY - A method for controlling a plurality of sodium-sulfur batteries that, in an interconnected system in which a power generation device that fluctuates in output and an electric power storage-compensation device are combined to supply power to an electric power system, are each included in the electric power storage-compensation device and compensate for output fluctuations of the power generation device, is provided. When one sodium-sulfur battery of the plurality of sodium-sulfur batteries reaches a discharge end, the sodium-sulfur battery reaching the discharge end is charged from a sodium-sulfur battery other than the sodium-sulfur battery reaching the discharge end. When one sodium-sulfur battery of the plurality of sodium-sulfur batteries reaches a charge end, the sodium-sulfur battery reaching the charge end is discharged to charge a sodium-sulfur battery other than the sodium-sulfur battery reaching the charge end. | 08-25-2011 |
20110206954 | METHOD FOR CONTROLLING SODIUM-SULFUR BATTERIES - When charge power or discharge power of each individual sodium-sulfur battery included in a plurality of sodium-sulfur batteries becomes 1/n (n is a natural number) or less of a rated output, individual sodium-sulfur batteries are sequentially stopped. This prevents the discharge power (or the charge power) of the sodium-sulfur battery from becoming minute, so that a battery depth (or a stored energy) of the sodium-sulfur battery can be accurately managed. | 08-25-2011 |
20110206955 | METHOD FOR CONTROLLING SODIUM-SULFUR BATTERY - In a method for controlling a sodium-sulfur battery, a time of correcting or resetting a depth of discharge of the sodium-sulfur battery is determined within a predetermined period based on weather information, and the depth of discharge of the sodium-sulfur battery is corrected or reset in the determined time. According to this sodium-sulfur battery control method, the depth of discharge of the sodium-sulfur battery can be accurately managed in a small-scale interconnected system. | 08-25-2011 |
20110212349 | ABNORMALITY DETECTOR AND DETECTION METHOD, AND FACILITY FOR PRODUCING BATTERY - Provided is a technology for detecting abnormal temperature rise of a battery regardless of the number of batteries, and preventing a trouble caused by abnormal temperature rise. A battery production facility ( | 09-01-2011 |
20110236730 | BATTERY WATERING SYSTEM - A system for watering aqueous battery cells. The system includes a water conduit connectable to a water source, and multiple nozzles attached to and in fluid communication with the water conduit for distributing water to each of the battery cells. The nozzles provide a similar flow rate of water over a similar period of time to provide a similar amount of water to each cell. A method for watering multiple battery cells is also provided. | 09-29-2011 |
20110236731 | Battery Thermal Management System - In certain embodiments, a battery thermal management system includes at least one battery, at least one thermoelectric device in thermal communication with the at least one battery, and a conduit comprising an inlet configured to allow a working fluid to enter and flow into the conduit and into thermal communication with the at least one thermoelectric device. The conduit further comprises an outlet configured to allow the working fluid to exit and flow from the conduit and away from being in thermal communication with the at least one thermoelectric device. The battery thermal management system can further include a first flow control device which directs the working fluid through the inlet of the conduit and a second flow control device which directs the working fluid through the outlet of the conduit. The first flow control device and the second flow control device are each separately operable from one another. | 09-29-2011 |
20110256429 | Battery having a device for replenishing electrolyte - The invention relates to a battery, which includes a housing for receiving at least one electrolyte, at least one electrolyte received in the housing, and at least one device for dissipating and/or collecting gases or vapors from the battery. According to the invention, the battery is provided with at least one device for replenishing the at least one electrolyte. | 10-20-2011 |
20110256430 | WELD VALIDATION SYSTEM AND METHOD FOR A BATTERY MODULE - A weld validation system and method for a battery module are provided. The battery module has first and second battery cells and an interconnect member welded to first and second tabs of the first and second battery cells, respectively. The system includes a gripping device having first and second gripping fingers contacting the interconnect member. The system further includes a temperature sensor that generates a first signal indicative of a temperature of the interconnect member when a battery cycling device is discharging the battery module. The system further includes a computer that determines a first temperature value indicative of the temperature of the interconnect member based on the first signal. | 10-20-2011 |
20110256431 | BATTERY TEMPERATURE CONTROL - Systems and methods are provided for controlling battery temperature, for example those used in electric vehicles. | 10-20-2011 |
20110256432 | BATTERY HUMIDITY CONTROL - Systems and methods are provided for controlling humidity in gases exposed to batteries, which can be applied to humidity control in climate control gases in battery packs, for example those used in electric vehicles. | 10-20-2011 |
20110274948 | ENERGY TRANSFER USING ELECTROCHEMICALLY ISOLATED FLUIDS - The present invention is related to energy generation using electrochemically isolated fluids, and articles, systems, and methods for achieving the same. The embodiments described herein can be used in electrochemical cells in which at least one electrode comprises an electrochemically active fluid (i.e., the electrochemical cell comprises at least one fluid comprising electrode active material that is flowable into and/or out of the electrode compartment in which the electrode active material is charged and/or discharged). | 11-10-2011 |
20110274949 | GALVANIC CELL COMPRISING SHEATHING - The invention relates to a galvanic cell according to the invention with a substantially prismatic or cylindrical structure and an electrode stack. In addition the galvanic cell has at least one current conductor that is connected to the electrode stack and sheathing that at least partially surrounds the electrode stack. Part of a current conductor extends from said sheathing. The sheathing has at least one first deep drawn part and one second deep drawn part. One deep drawn part has a higher thermal conductivity than the other deep drawn parts. The deep drawn parts of the sheathing are provided to at least partially surround the electrode stack. | 11-10-2011 |
20110274950 | High Voltage Battery Composed of Anode Limited Electrochemical Cells - An electrochemical storage device including a plurality of electrochemical cells connected electrically in series. Each cell includes an anode electrode, a cathode electrode and an aqueous electrolyte. The charge storage capacity of the anode electrode is less than the charge storage capacity of the cathode. | 11-10-2011 |
20110281145 | BATTERY THERMAL MANAGEMENT SYSTEMS AND METHODS - Systems and methods for temperature control of a battery pack at, below, or above a target temperature, and/or within a temperature range. Systems and methods for battery pack thermal management having a thermally conductive interstitial member between battery cells and a thermally conductive plate or plates coupled to the interstitial member along which fluid flows to effect the temperature of the battery pack by drawing heat generated by the battery pack away from the battery pack in multiple directions, and/or by imparting heat to the battery pack in multiple directions. Systems and methods for battery pack thermal management having a thermally conductive interstitial member between cells of the battery pack and a plate coupled to the interstitial member along which fluid can flow in multiple directions to maintain the battery pack at, above, or below a target temperature, within a temperature range, and/or to minimize the pack temperature gradient. | 11-17-2011 |
20110300417 | REDOX FLOW BATTERY AND METHOD FOR OPERATING THE BATTERY CONTINUOUSLY IN A LONG PERIOD OF TIME - The present invention provides a redox flow battery comprising a positive electrolyte storage tank and a negative electrolyte storage tank, wherein the positive electrolyte storage tank and the negative electrolyte storage tank is kept to be in liquid communication through a pipe, wherein the length-to-diameter ratio of the pipe for the liquid communication is not less than about 10. The present invention also provides a method for operating the redox flow battery continuously in a long period of time. | 12-08-2011 |
20110300418 | Lithium secondary battery - A lithium secondary battery including lithium molybdate. The lithium molybdate is a composite including amorphous lithium molybdate as a minor component and crystalline lithium molybdate as a major component. | 12-08-2011 |
20110311845 | INDUSTRIAL APPARATUS FOR THE LARGE-SCALE STORAGE OF ELECTRIC ENERGY - The invention relates to an improved industrial apparatus for the large-scale storage of energy and a process for storing and transporting electric energy by means of this apparatus. | 12-22-2011 |
20110311846 | Sodium Ion Based Aqueous Electrolyte Electrochemical Secondary Energy Storage Device - A secondary hybrid aqueous energy storage device includes an anode electrode, a cathode electrode which is capable of reversibly intercalating sodium cations, a separator, and a sodium cation containing aqueous electrolyte, wherein an initial active cathode electrode material comprises an alkali metal containing active cathode electrode material which deintercalates alkali metal ions during initial charging of the device. | 12-22-2011 |
20110318612 | INDICATOR FOR DISPLAY OF BATTERY FRESHNESS - A battery module having at least one battery and an indicator unit, wherein the status of the indicator unit displays, whether the battery module is fresh or used, wherein an irreversible change of the indicator unit can be brought about externally, wherein through the irreversible change it is displayed that the battery module is no longer fresh, and wherein the status of the indicator unit is externally queryable. | 12-29-2011 |
20110318613 | GALVANIC CELL COMPRISING SHEATHING II - The invention relates to a galvanic cell according to the invention with a substantially prismatic or cylindrical structure, said cell having a first electrode stack. A first current conductor is connected to a first electrode stack. In addition, the galvanic cell has sheathing that at least partially surrounds a first electrode stack. Part of a first current conductor extends from said sheathing. The galvanic cell also has a second electrode stack and a second current conductor. The sheathing has at least one first deep drawn part and one second deep drawn part. One of the deep drawn parts has a higher thermal conductivity than the other deep drawn parts. The deep drawn parts of the sheathing are provided to at least partially surround at least one electrode stack. | 12-29-2011 |
20110318614 | ELECTROLYTE, BATTERY USING SAME, AND METHOD OF USING SAME, AND METHOD FOR PRODUCING ELECTROLYTE - In one example embodiment, an electrolyte has favorable ionic conductivity at low temperatures. In one example embodiment, a solid electrolyte is provided between a cathode and an anode. In one example embodiment, the electrolyte is formed of electrolyte salt such as a lithium salt, carbon cluster such as fullerene, and a liquid having polarity and dissociating the electrolyte salts into ions like organic solvents such as acetone and ionic liquids such as EMITFSI (1-ethyl-3-methyl imidazolium bis(trifluoromethanesulfonyl)imide). | 12-29-2011 |
20120003510 | VEHICLE BATTERY TEMPERATURE CONTROL SYSTEM AND METHOD - A vehicle battery temperature control system includes a battery, a housing and a heat exchanger. The battery is operable to discharge thermal energy, and has a heat sink configured to transfer the thermal energy from the battery. The housing has a chamber that is configured to receive the battery and contain a saturated liquid coolant that substantially immerses the heat sink so that the coolant receives the thermal energy from operation of the battery to cause a phase change of the coolant from a liquid phase to a vapor phase. The heat exchanger is configured to receive vapor phase coolant from the chamber and remove thermal energy from the vapor phase coolant to change the coolant from the vapor phase to the liquid phase, and is further configured to return the liquid phase coolant to the chamber. | 01-05-2012 |
20120003511 | LITHIUM ION BATTERY FAILURE MITIGATION - A method of mitigating battery cell failure is provided. In one embodiment, the method includes providing a coupling between a battery pack and an internal combustion engine exhaust system, the coupling comprising: a duct positioned between the battery pack and the internal combustion engine exhaust system, the duct including at least one one-way valve positioned to allow battery cell exhaust to pass from the battery cell to the internal combustion engine exhaust system; detecting a thermal event; activating a fan, an air pump, or both in response to the thermal event to force the battery cell exhaust through the coupling; and treating the battery cell exhaust in the internal combustion engine exhaust system. Battery failure mitigation systems are also described. | 01-05-2012 |
20120009445 | BATTERY MONITORING SYSTEMS - A battery monitoring system includes a first module and a second module coupled to the first module. The first module shifts a reference signal to a first shifted signal. The second module shifts the reference signal to a second shifted signal and shifts the first shifted signal to a third shifted signal. The second module also monitors a set of cells through the first module and provides an output signal indicative of a status of the set of cells. The second and third shifted signals are usable for calibrating the output signal. | 01-12-2012 |
20120021258 | Method of Controlling System Temperature to Extend Battery Pack Life - A method for actively cooling the battery pack of an electric vehicle after the vehicle has been turned off, thereby limiting the adverse effects of temperature on battery life, is provided. Different battery pack cooling techniques are provided, thus allowing the cooling technique used in a particular instance to be selected not only based on the thermal needs of the battery pack, but also on the thermal capacity and energy requirements of the selected approach. | 01-26-2012 |
20120028086 | ULTRA HIGH MELT TEMPERATURE MICROPOROUS HIGH TEMPERATURE BATTERY SEPARATORS AND RELATED METHODS - Disclosed or provided are non-shutdown high melt temperature or ultra high melt temperature microporous battery separators, high melt temperature separators, battery separators, membranes, composites, and the like that preferably prevent contact between the anode and cathode when the battery is maintained at elevated temperatures for a period of time and preferably continue to provide a substantial level of battery function (ionic transfer, discharge) when the battery is maintained at elevated temperatures for a period of time, methods of making, testing and/or using such separators, membranes, composites, and the like, and/or batteries, high temperature batteries, and/or Lithium-ion rechargeable batteries including one or more such separators, membranes, composites, and the like. | 02-02-2012 |
20120028087 | METHOD FOR MANAGING THE HEAT IN AN ELECTRIC BATTERY - Methods for managing the heat in an electric battery, including, when recharging said battery, preconditioning at an average temperature T | 02-02-2012 |
20120034499 | STRUCTURE AND METHOD FOR REMOVING BATTERY CELL HEAT - An apparatus includes a thermal strap that connects a first terminal of a first battery cell and a second terminal of a second battery cell. The thermal strap has high thermal and electrical conductivity. A wall link connects the thermal strap to a wall having high thermal conductivity. The wall link includes a first portion having high thermal and electrical conductivity and a second portion having high thermal conductivity but low electrical conductivity. The second portion is located between the first portion and the wall. | 02-09-2012 |
20120040212 | Hazard Mitigation Within a Battery Pack Using Metal-Air Cells - A system and method for mitigating the effects of a thermal event within a battery pack is provided in which the hot gas and material generated during the thermal runaway of at least one non-metal-air cell of a plurality of non-metal-air cells is directed through one or more metal-air cells, the metal-air cells absorbing at least a portion of the thermal energy generated during the event before it is released to the ambient environment. As a result, the risks to vehicle passengers, bystanders, first responders and property are limited. | 02-16-2012 |
20120058369 | SYSTEM AND METHOD FOR DELIVERING FLUID TO A BATTERY - A system for delivering water to a fluid electrolyte battery comprising at least one battery cell. Such a system includes a tank adapted to hold the fluid, a pump adapted to pump the fluid from the tank when the pump is turned on, at least one conduit adapted to transfer the fluid from the tank to the at least one battery cell, and a controller adapted to control the pump. The controller turns the pump on after an interval so that the fluid is transferred to the at least one battery cell. | 03-08-2012 |
20120082871 | Thermal Management Controls for a Vehicle Having a Rechargeable Energy Storage System - A method of operating a RESS thermal system in a vehicle having a coolant loop for directing a coolant through a RESS and a refrigerant loop configured to selectively cool the coolant flowing through a chiller in the coolant loop, including: determining a current target temperature range for the RESS based on a current vehicle operating mode and ambient temperature; determining a temperature of the RESS; determining if the temperature of the RESS needs to increase or decrease to be within the current target temperature range; if the determination is made that the temperature of the RESS needs to increase, determining if an active heating or a passive heating of the coolant will be employed, the active heating using a greater amount of energy over a shorter time period than the passive heating; and activating the determined active heating or passive heating of the coolant. | 04-05-2012 |
20120082872 | ADDITIVE FOR ELECTROLYTES - Spiro ammonium salts as an additive for electrolytes in electric current producing cells, in particular electric current producing cells comprising a Li-based anode, are provided. In some embodiments, the electric current producing cell comprises a cathode, a Li-based anode, and at least one electrolyte wherein the electrolyte contains at least one spiro ammonium salt. | 04-05-2012 |
20120094150 | METHODS AND APPARATUSES FOR ELECTROCHEMICAL CELL MONITORING AND CONTROL - Battery sub-arrays are configured for electrical and mechanical coupling with each other to form a multi-cell battery. A sub-array may be an individual cell or a group of cells. Each sub-array includes a bypass switch to connect the sub-array within the multi-cell battery or bypass the sub-array. Monitoring and control circuitry controls the bypass switch in response to voltage measurements, temperature measurements or a combination thereof for the sub-array. Each sub-array is contained in a holder including a housing and a thermal container encompassing a substantial portion of the housing. The housing includes a cell cavity, a sensor cavity, and a circuit cavity. Positive terminals and negative terminals are positioned on sides of the holder such that when holders are mechanically abutted in an array, various electrical connections can be made to connect the cells in series, parallel, or a combination thereof. | 04-19-2012 |
20120094151 | BATTERY MANAGEMENT SYSTEM AND METHOD THEREOF, AND POWER STORAGE APPARATUS USING THE SAME - A battery management system is disclosed. The system includes a variable discharge resistor and a temperature measuring unit to measure the temperature of the discharge resistor. The resistance of the discharge resistor is modified based at least in part on the measured temperature. | 04-19-2012 |
20120094152 | METHOD AND DEVICE FOR CONTROLLING BATTERY HEATING - A method and a device for controlling battery heating is disclosed. The method comprises: starting battery heating when conditions for starting battery heating are met; and stopping battery heating when conditions for stopping battery heating are met. The conditions for stopping battery heating include at least one of the following: (a) an absorbed energy Q of the battery reaching a predetermined energy Q | 04-19-2012 |
20120100403 | ELECTROLYTIC CELL AND METHOD OF ESTIMATING A STATE OF CHARGE THEREOF - A lithium ion battery includes a positive electrode, a negative electrode, and an electrolyte operatively disposed between the positive and negative electrodes. The negative electrode contains a composite material including graphitic carbon and a disordered carbon. | 04-26-2012 |
20120107649 | BATTERY THERMAL SYSTEM WITH INTERLOCKING STRUCURE COMPONENTS - A battery module is described. The battery module includes a plurality of battery cells; a plurality of cooling fin assemblies, each cooling fin assembly positioned between two battery cells, the cooling fin assemblies comprising at least one cooling fin and a foot on at least one side of the cooling fin assemblies, the foot having a bottom and interlocking profiles on each end, the interlocking profiles on adjacent feet of the cooling fin assemblies interlocking the feet and forming a surface; and a heat sink contacting the surface of the interlocked feet. A method of cooling a battery module is also described. | 05-03-2012 |
20120114983 | Battery Pack - In certain embodiments, an apparatus comprises a battery housing and mechanical switches. The battery housing is configured to house one or more batteries and comprises a connector configured to provide current to a device. A surface of the battery housing forms slots, where each slot is configured to receive a battery. Each mechanical switch is coupled to a slot and is configured to allow current from the battery to flow to the connector if a battery is received in the slot, and to pass current through the slot if a battery is not received in the slot. | 05-10-2012 |
20120141843 | BATTERY HAVING DIVERTING DEVICE - An electrochemical energy accumulator apparatus according to the invention has at least one galvanic cell. Furthermore, the electrochemical energy accumulator apparatus has at least one diverting device which is assigned to the at least one galvanic cell, and at least one connecting device which is assigned to the at least one diverting device. The electrochemical energy accumulator apparatus is characterized in that the at least one connecting device is assigned at least one heat exchanger device, wherein the at least one heat exchanger device is designed to exchange thermal energy with the at least one connecting device. | 06-07-2012 |
20120148880 | METHOD FOR OPERATING A BATTERY - The task at hand is achieved by a method for operating a battery having at least one galvanic cell. The at least one galvanic cell is subjected at least temporally to an examination, particularly at a predetermined operating state of the battery or the galvanic cell. | 06-14-2012 |
20120148881 | METHOD AND SYSTEM FOR AUTOMOTIVE BATTERY COOLING - The present invention relates to a battery-cooling system. The battery-cooling system includes a battery array and a plurality of heat pipes. The heat pipes each include a low-profile extrusion having a plurality of hollow tubes formed therein. Each heat pipe includes an evaporator portion and a condenser portion. A heat-transfer fluid is disposed within the plurality of hollow tubes. The evaporator portion is disposed between successive batteries within the battery array. The condenser portion is disposed outside of the battery array and exposed to a heat sink. | 06-14-2012 |
20120156529 | NON-AQUEOUS ELECTROLYTE BATTERY - The disclosure describes a non-aqueous electrolyte battery with an improved cycle life. The non-aqueous electrolyte battery includes a positive electrode including a positive electrode layer, a negative electrode including a negative electrode layer, a separator disposed between the positive electrode and the negative electrode, and a non-aqueous electrolyte containing a lithium salt. The negative electrode layer may contain a negative electrode active material which can insert and release lithium ions at 0.4 V or more (V.S. Li/Li | 06-21-2012 |
20120156530 | APPARATUS AND METHOD FOR CONTROLLING TEMPERATURE OF BATTERY - According to some aspects, an apparatus and a method for controlling a temperature of a battery are disclosed. A cooling fan may be controlled according to a temperature of the battery, thereby preventing a reduction in performance of the battery. According to one aspect, the apparatus includes a temperature sensor configured to output an analog resistance value as a temperature of batteries of a battery pack. The apparatus further includes a battery temperature control part configured to convert the analog resistance value of the temperature sensor into a digital signal to control the temperature of the battery pack, and a cooling fan that is operated by a signal from the battery temperature control part. The battery temperature control part may include a defect discrimination part that senses a defective operation of the cooling fan. | 06-21-2012 |
20120164491 | GALVANIC CELL HAVING RELEASABLE CONNECTING AREA - The invention relates to a galvanic cell ( | 06-28-2012 |
20120164492 | ACCUMULATOR WITH EXTENDED DURABILITY - The present invention relates to an accumulator with extended durability. The invention is described in relation to a lithium-ion-accumulator for supplying a motor vehicle drive. However, it should be noted that the invention will also be applicable for batteries without lithium and/or independent from motor vehicles. | 06-28-2012 |
20120164493 | ELECTROCHEMICAL CELL HAVING LITHIUM TITANATE - The invention relates to an electrochemical cell, comprising a negative electrode comprising a lithium titanate; a positive electrode; and a separator separating the negative from the positive electrode. The cell can be preferably used for driving a vehicle having an electric motor, preferably having a hybrid drive system. | 06-28-2012 |
20120164494 | ELECTRODE COIL - The invention relates to an electrode coil ( | 06-28-2012 |
20120171523 | BATTERIES WITH PHASE CHANGE MATERIALS - A battery pack with phase change materials (PCM). The PCM would improve the heating and cooling capabilities under various vehicle operating conditions. Methods of controlling the temperature in battery packs are also described. | 07-05-2012 |
20120171524 | MOLTEN SALT BATTERY DEVICE, AND METHOD FOR CONTROLLING TEMPERATURE OF MOLTEN SALT BATTERY - In a molten salt battery device, molten salt batteries are arranged in a container to cause a space to be present around the molten salt batteries, and a heating medium is filled into the space around the molten salt batteries. When an electrothermal heater is used to control the temperature of the heating medium through a temperature controlling section, the heating medium is caused to flow. Between the flowing heating medium and the molten salt batteries, heat is exchanged, whereby the molten salt battery device controls the temperature of the molten salt batteries. Since the molten salt batteries attain the heat exchange with the heating medium, which surrounds the batteries, the internal temperature thereof is evenly controlled. Moreover, the molten salt battery device makes it possible to lower the temperature of the heating medium to cool the molten salt batteries easily. | 07-05-2012 |
20120177955 | BATTERY WITH RESETTABLE INTERNAL FUSE - A 9V battery has a fuse such as a 1 amp bi-metallic resettable fuse in series with the battery cells. This would prevent over-current conditions from occurring, keeping the battery from overheating and prolonging the useful life of the battery. Once the fuse is reset, the battery is once again usable. | 07-12-2012 |
20120177956 | ELECTROLYTE SOLVENT FOR IMPROVING SAFETY OF BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - The present invention provides an electrolyte solvent for batteries, which comprises fluoroethylene carbonate and linear ester solvent. Also, the present invention provides a lithium secondary battery comprising a positive electrode, a negative electrode and an electrolyte, wherein the electrolyte comprises fluoroethylene carbonate and linear ester solvent. The inventive electrolyte solvent can improve the battery safety without deteriorating the battery performance. | 07-12-2012 |
20120177957 | BATTERY WITH PRESSURE RELIEF CHANNEL - A battery having an outer casing and an anode/cathode assembly within that casing, wherein the anode/cathode assembly includes plural anodes and cathodes and electrolyte therebetween. The battery has a pressure relief feature associated with the casing and a channel preservation element sufficiently rigid to preserve at least one gas passageway to the pressure relief feature under conditions of anode/cathode assembly warpage. Thus the gas in the passageway will not become impeded by anode/cathode assembly warpage. | 07-12-2012 |
20120183815 | Thermal Management System with Dual Mode Coolant Loops - A dual mode, thermal management system for use in a vehicle is provided. At a minimum, the system includes a first coolant loop in thermal communication with a battery system, a second coolant loop in thermal communication with at least one drive train component (e.g., electric motor, power electronics, inverter), a dual mode valve system that provides means for selecting between a first mode where the two coolant loops operate in parallel and a second mode where the two coolant loops operate in series, and a coolant reservoir that is coupled to both coolant loops when the two coolant loops are operating in series and only coupled to the drive train coolant loop when the two coolant loops are operating in parallel. | 07-19-2012 |
20120189878 | Optimizing Battery Usage - Techniques for optimizing battery usage are provided. The techniques include sensing energy level of a battery, comparing the sensed energy level of the battery to a predetermined energy threshold for the battery, and controlling energy flow to and from the battery based on the comparison of the sensed energy level and the energy threshold. | 07-26-2012 |
20120189879 | METHOD AND DEVICE FOR APPLICATION OF A PRESSURE TO A BATTERY - A method and device is disclosed for application of a pressure to a battery which has at least one or more cells, in order to reduce adverse effects on operation which occur because of different battery states of charge. The device is designed to carry out the method such that the pressure is adjusted as a function of the respective battery volume and/or of the respective battery state of charge. | 07-26-2012 |
20120196158 | ELECTROLYTE FOR ELECTROCHEMICAL DEVICE AND THE ELECTROCHEMICAL DEVICE THEREOF - The present invention provides an electrolyte for electrochemical device and the electrochemical device thereof. The electrolyte comprises 9.95˜19.95 wt % of a salt; 80.0˜90.0 wt % of a non-aqueous solvent; 0.05˜10.00 wt % of an additive comprising a compound represented by below formula (I) or (II): | 08-02-2012 |
20120196159 | Battery Management System with Energy Balance Among Multiple Battery Cells - A battery circuit including a first battery cell with a first parameter having a first value and a second battery cell with a second parameter having a second value. The second battery cell is coupled to the first battery cell in series. The battery circuit further includes a magnetic device operable for storing energy transferred from the first battery cell via a first winding coupled to the first battery cell and for releasing the stored energy to the second battery cell via a second winding coupled to the second battery cell if the first value of the first parameter is greater than the second value of the second parameter. | 08-02-2012 |
20120219832 | High Temperature Metal-Halogen Flow Battery with Non-Aqueous Molten Salt Electrolyte - An apparatus including at least one electrochemical flow cell in which the electrochemical flow cell includes an anode electrode, a cathode electrode and a reaction zone between the anode and the cathode. The electrochemical flow cell also includes an electrolyte storage reservoir configured to hold a molten salt electrolyte and a gas generated during charging of the at least one electrochemical flow cell and at least one conduit configured to supply the molten salt electrolyte and the gas from the storage reservoir to the at least one electrochemical flow cell. The electrochemical flow cell also includes at least one pump configured to pump the molten salt electrolyte from the storage reservoir to the reaction zone. | 08-30-2012 |
20120219833 | LOW TEMPERATURE MOLTEN SODIUM SECONDARY CELL WITH SODIUM ION CONDUCTIVE ELECTROLYTE MEMBRANE - The present invention provides a molten sodium secondary cell. In some cases, the secondary cell includes a sodium metal negative electrode, a positive electrode compartment that includes a positive electrode disposed in a liquid positive electrode solution, and a sodium ion conductive electrolyte membrane that separates the negative electrode from the positive electrode solution. In such cases, the electrolyte membrane can comprise any suitable material, including, without limitation, a NaSICON-type membrane. Furthermore, in such cases, the liquid positive electrode solution can comprise any suitable positive electrode solution, including, but not limited to, an aqueous sodium hydroxide solution. Generally, when the cell functions, the sodium negative electrode is molten and in contact with the electrolyte membrane. Additionally, the cell is functional at an operating temperature between about 100° C. and about 170° C. Indeed, in some instances, the molten sodium secondary cell is functional between about 110° C. and about 130° C. | 08-30-2012 |
20120225331 | BATTERY PACK PROTECTION SYSTEM - An application for a battery pack that includes walls made of sturdy material, power interface terminals and battery cells/electronics held within the walls. A protective layer contains the battery cells. The protective layer reduces external harm from heat, out-gassing and/or explosion of one or more of the battery cells. | 09-06-2012 |
20120225332 | THERMAL ELECTROCHEMICAL CELL - Technologies are generally described for methods and systems for implementing a thermal electrochemical cell. Some example electrochemical cells described herein may comprise a first container including a first electrode and an electrolyte effective to receive electrons from the first electrode. Some electrochemical cells may further comprise a second container including a second electrode and an aqueous suspension including zinc oxide nanoparticles. Some electrochemical cells may also further comprise a contact member in between the first container and the second container. | 09-06-2012 |
20120231304 | METHOD AND DEVICE FOR COOLING AN ELECTROCHEMICAL ENERGY STORE - A device for cooling an electrochemical energy store, particularly a galvanic cell containing lithium, is provided with a cooling agent ( | 09-13-2012 |
20120244392 | BATTERY PACK SUPPORT WITH THERMAL CONTROL - A battery support includes a rigid, thermally conductive upper plate having first and second opposing major surfaces. The support also includes at least one lower plate disposed on the second major surface and comprising a plurality of protrusions extending away from the second major surface and in fluid communication, the plurality of protrusions defining a first manifold portion, a second manifold portion, and plurality of non-linear passages extending along a first direction between the first and second manifolds, a cross-section of the plurality of protrusions defining the plurality of non-linear passages comprising a curved portion with a width that is at least twice the height of the curved portion. The support further includes a first conduit in fluid communication with the first manifold portion and a second conduit in fluid communication with the second manifold portion. | 09-27-2012 |
20120244393 | Variable Insulating Battery Pack System and Method - A variable insulating battery pack system includes a battery pack enclosure sized and configured to contain the battery pack, an enclosure space in the battery pack enclosure and a fluid pump disposed in fluid communication with the enclosure space and adapted to evacuate and pressurize the enclosure space. | 09-27-2012 |
20120244394 | ENERGY STORAGE UNIT HAVING EXTENDED SERVICE LIFE - A device for storing electrical energy, according to the invention has at least
| 09-27-2012 |
20120258337 | BATTERY THERMAL INTERFACES WITH MICROENCAPSULATED PHASE CHANGE MATERIALS FOR ENHANCED HEAT EXCHANGE PROPERTIES - A battery module with microencapsulated phase change materials as an automotive thermal management system. In one form, the microencapsulated phase change material is in the form of a foam made of a core encased in a generally polymer-based shell. In a more particular form, the foamed material may be tailored to go through isothermal phase change at more than one temperature, such as a relatively cold temperature and a relatively high temperature. A thermal management system based on the use of such microencapsulated phase change material includes heating and cooling capabilities for conditions expected to be encountered under both high-temperature and low-temperature vehicular operating conditions. Methods of controlling the temperature in battery modules are also described. | 10-11-2012 |
20120263979 | BATTERY HOLDER CAPABLE OF INDICATING USABILITY STATUS OF THE BATTERIES - Apparatuses and methods for portable storage of disposable or rechargeable batteries are disclosed. The battery holder can have several battery compartments, each being suitable for securely holding a battery of a certain size. Additionally, the battery holder has visible indicia instructing a user as to how to orient the battery in the compartment depending on whether the battery is empty or full. Thus, the orientation of the battery in the holder signals battery's empty/full status to the user. The battery compartments can be arranged in one or more rows, circularly, or in a honeycomb orientation. The battery holder can be made of elastic material capable of securely keeping the battery in place. The battery compartments for round batteries can have a non-round cross section, thus enabling air escape from the compartment as the battery is inserted. The compartments can be slightly conical along the axis (draft tapered walls), therefore capable of securing batteries having somewhat different sizes due to tolerances. A lid for covering batteries can be attached with the battery holder. The battery holder can have a tab for keychain attachment. | 10-18-2012 |
20120263980 | THERMAL MANAGEMENT OF AN ELECTROCHEMICAL CELL BY A COMBINATION OF HEAT TRANSFER FLUID AND PHASE CHANGE MATERIAL - The invention is directed at devices, systems, and processes for managing the temperature of an electrochemical call including a device ( | 10-18-2012 |
20120270076 | FLUORIDE ION ELECTROCHEMICAL CELL - The present invention provides electrochemical cells capable of good electronic performance, particularly high specific energies, useful discharge rate capabilities and good cycle life. Electrochemical cells of the present invention are versatile and include primary and secondary cells useful for a range of important applications including use in portable electronic devices. Electrochemical cells of the present invention also exhibit enhanced safety and stability relative to conventional state of the art primary lithium batteries and lithium ion secondary batteries. For example, electrochemical cells of the present invention include secondary electrochemical cells using anion charge carriers capable of accommodation by positive and negative electrodes comprising anion host materials, which entirely eliminate the need for metallic lithium or dissolved lithium ion in these systems. | 10-25-2012 |
20120270077 | BATTERY SYSTEM AND METHOD FOR INCREASING AN OPERATIONAL LIFE OF A BATTERY CELL - A battery system and a method for increasing an operational life of a battery cell are provided. The battery system includes a voltage sensor that generates a first signal indicative of a voltage level output by the battery cell, and a current sensor that generates a second signal indicative of a level of electrical current flowing through the battery cell. The battery system further includes a microprocessor that calculates a resistance level of the battery cell based on the first and second signals, and generates a control signal to induce a fluid supply system to increase a pressure level of the coolant fluid being supplied to the heat exchanger to a first pressure level, based on the resistance level. | 10-25-2012 |
20120270078 | Liquid Battery Formed from Encapsulated Components - An apparatus includes at least one battery storage compartment configured to store one or more encapsulated anodes and one or more encapsulated cathodes and at least one beverage storage compartment configured to store at least a component of a beverage. The apparatus also includes a manifold operably connected to the at least one battery storage compartment and to the at least one beverage storage compartment. The manifold is configured to receive at least one of the one or more encapsulated anodes, at least one of the one or more encapsulated cathodes, and at least a portion of the component of the beverage to form a battery that is configured to generate an electrical current. | 10-25-2012 |
20120276422 | Deactivation or Severing of an Energy Store - An energy store device, especially for a motor vehicle, includes at least two energy sources, which are connected via an electrical connection, and at least one safety element, the safety element being deformable and/or expandable in order to sever the electrical connection between the energy sources. In a method for severing electrical connections of an energy store device having at least two energy sources, a short-circuit risk is determined with the aid of at least one determination device, a propellant is activated following a determination result of the determination device, and at least one safety element is deformed and/or expanded by the activation of the propellant, in order to sever at least one electrical connection of the energy store device. | 11-01-2012 |
20120282497 | BATTERY PACK THERMAL MANAGEMENT SYSTEM AND METHOD - A battery pack thermal management system includes a plurality of battery cells connected to at least one DC power bus. At least one thermoelectric device is operatively disposed in thermal contact with the plurality of battery cells. At least one temperature measuring device is operatively connected to the thermal management system, and configured to measure a temperature of a predetermined portion of the plurality of battery cells. A cell balancing circuit is operatively connected to the plurality of battery cells, and configured to selectively divert a portion of electric current from at least one of the plurality of battery cells to the at least one thermoelectric device. An electronic controller is operatively connected to the cell balancing circuit, and configured to control a flow of electric current to the at least one thermoelectric device. | 11-08-2012 |
20120282498 | LITHIUM-ION BATTERY - A lithium-ion battery in a housing includes (a) an anode, (b) a cathode, (c) a separator, (d) an electrolyte including a lithium salt and a non-aqueous solvent, and (e) a non-ionic surfactant. | 11-08-2012 |
20120295139 | SYSTEM FOR ENERGY STORAGE AND METHOD FOR CONTROLLING THE SAME - Disclosed herein are a system for energy storage may include: a unit cell package in which the plurality of unit cells are connected in series and/or in parallel; an input/output terminal connected with the unit cell package to supply energy to the unit cell package or output energy stored in the unit cell package; an interruption switch connected between the unit cell package and the input/output terminal to connect or interrupt the unit cell package and the input/output terminal with and from each other; a slave connected with the plurality of unit cells and/or the unit cell package to monitor voltages of the plurality of unit cells and/or a voltage of the unit cell package; and a master connected with the slave to receive information monitored by the slave and generate a signal for controlling the slave and the interruption switch in accordance with the monitored information. | 11-22-2012 |
20120308853 | MITIGATION OF MECHANICAL DEGRADATION IN LITHIUM BATTERY MATERIALS USING BICONCAVE ELECTRODE PARTICLES - Methods for decreasing mechanical degradation in a lithium battery are provided. At least a portion of one of the anode or the cathode includes a plurality of biconcave particles. The biconcave particles provide increased surface area for lithium diffusion without increasing the volume of the particles. As the lithium diffuses across the particles, the combination of convergent and divergent diffusion fronts of lithium reduces the stresses and elastic strain energy responsible for mechanical degradation of the electrode while increasing the rate of lithium intake. | 12-06-2012 |
20120308854 | ELECTROCHEMICAL ENERGY STORE AND METHOD FOR THERMALLY STABILIZING AN ELECTROCHEMICAL ENERGY STORE - In an electrochemical energy store including at least one spatially delimited galvanic cell, said galvanic cell includes a component or a device which causes the level of heat generated within the galvanic cell to drop to or below the level of heat dissipated from the cell beyond the spatial boundaries of the cell when a threshold temperature inside the galvanic cell is at least locally exceeded. | 12-06-2012 |
20120315510 | BATTERY PACK WITH BREATHABLE MEMBRANE - A battery pack is provided which includes at least one electrochemical rechargeable battery cell, and a housing enclosing the battery cell. At least one inlet is formed in the housing configured such that gas can enter into the housing, and at least one outlet is formed in the housing configured such that gas can exit the housing. The outlet includes a breathable membrane configured such that water vapor can pass through the membrane and outside the housing. | 12-13-2012 |
20120315511 | ELECTRODE MATERIALS FOR ELECTRICAL CELLS - The present invention relates to electrode materials for charged electrical cells, comprising at least one polymer comprising polysulfide bridges, and carbon in a polymorph comprising at least 60% sp | 12-13-2012 |
20120315512 | POSITIVE ELECTRODE FOR LITHIUM ION BATTERY - A positive-electrode material for a lithium ion battery includes two or more types of positive-electrode active materials which are expressed by a chemical formula LiMPO4 (where M includes one or more types of metal elements selected from the group consisting of Mn, Fe, Co, and Ni) and which have an olivine structure. The M in at least one of the positive-electrode active materials includes two or more types of metal elements. An open circuit voltage curve in charging includes an initial rising region, one or more flat regions, one or more detectable voltage varying regions, and a terminal rising region in a state-of-charge region of 0% to 100%. | 12-13-2012 |
20120321919 | BATTERY CASE FOR RECEIVING ELECTROCHEMICAL ENERGY-STORAGE DEVICES - A battery case includes a deformable lateral wall. The battery case is provided to receive at least one electrochemical energy storage device. An electrochemical energy storage device includes a cell frame, which partially surrounds the device and in some areas forms the outer wall of the battery case. The battery case also includes a case cover, by which at least one electrochemical energy storage device can be electrically contacted. A lateral wall forms at least in some areas the outer wall of said battery case, wherein the stiffness of said lateral wall is less than the stiffness of the cell frame. When there is a pressure difference between the inner space of the battery case and the environment around the battery case, the lateral wall is therefore deformed and the volume of the battery case increases. The lateral wall is connected at least in some areas to said cell frame in a gas-tight manner. | 12-20-2012 |
20120328909 | MONITORING ELECTRODE AND SECONDARY BATTERY USING THE SAME - This invention relates to a monitoring electrode for measuring voltage of each of a cathode and an anode of a secondary battery including the cathode, the anode and an electrolyte, which includes a first end portion inserted into the secondary battery so as to be incorporated in the electrolyte but disposed so that it is not in contact with the cathode or the anode; and a second end portion extending from the first end portion and having branches respectively connected to the cathode and the anode, and to a secondary battery using the same. | 12-27-2012 |
20130004802 | HEATING SYSTEM FOR A BATTERY MODULE AND METHOD OF HEATING THE BATTERY MODULE - A heating system and a method for heating a battery module are provided. The method includes generating a temperature signal indicative of a temperature level of at least one of a first battery cell group and a second battery cell group. If a temperature level is less than the threshold temperature level, then the method further includes generating first and second control signals to induce first and second switches, respectively, to each have a first operational position to at least partially discharge the first and second battery cell groups, respectively, through first and second resistors, respectively, to generate heat energy in the first and second resistors. | 01-03-2013 |
20130004803 | HEATING SYSTEM FOR A BATTERY MODULE AND METHOD OF HEATING THE BATTERY MODULE - A heating system and a method for heating a battery module are provided. The method includes generating a first signal indicative of a first voltage level being output by a first battery cell group, and generating a second signal indicative of a second voltage level being output by a second battery cell group. The method includes generating a temperature signal indicative of a temperature level of at least one of the first battery cell group and the second battery cell group. If the temperature level is less than a threshold temperature level, and the first battery cell group is not electrically balanced with the second battery cell group then the method includes selecting one of the first and second battery cell groups to be at least partially discharged through a resistor to generate heat energy in the resistor. | 01-03-2013 |
20130004804 | HEATING SYSTEM FOR A BATTERY MODULE AND METHOD OF HEATING THE BATTERY MODULE - A heating system and a method for heating a battery module are provided. The method includes determining if a temperature signal indicates that the temperature level of the battery module is less than a threshold temperature level. If the temperature level is less than a threshold temperature level, and a first battery cell group is not electrically balanced with a second battery cell group, then the method includes selecting at least one of the first and second battery cell groups to be at least partially discharged. If the first battery cell group is selected, then the method includes partially discharging the first battery cell group through a first resistor to generate heat energy. | 01-03-2013 |
20130004805 | HEATING SYSTEM FOR A BATTERY MODULE AND METHOD OF HEATING THE BATTERY MODULE - A heating system and a method for heating a battery module are provided. The method includes determining if the temperature signal indicates that the temperature level is less than a threshold temperature level. If the temperature level is less than the threshold temperature level, then the method further includes generating a first control signal to induce the switch to have the first operational position to at least partially discharge the first and second battery cell groups through a resistor to generate heat energy in the resistor. The method further includes generating a second control signal to turn on a fan to distribute the heat energy in the battery module to increase a temperature level of the battery module. | 01-03-2013 |
20130004806 | LIQUID COOLANT WITH MICROENCAPSULATED PHASE CHANGE MATERIALS FOR AUTOMOTIVE BATTERIES - A microencapsulated phase change material used in conjunction with a cooling fluid as part of a thermal management system for an automotive battery pack assembly. The microencapsulated phase change material is made to have enhanced latent heat transfer properties at lower (colder) temperatures and higher (elevated) temperatures such that a vehicle employing such an automotive battery pack assembly is more resistant to environments where freezing and overheating might otherwise be prevalent. | 01-03-2013 |
20130004807 | ELECTROCHEMICAL CELL HAVING RELEASABLE SUPPRESSANT - An electrochemical cell is provided. The electrochemical cell includes, but is not limited to, a can, a cell element within the can, electrolyte within the can, and a first suppressant container including suppressant and disposed within a void defined within the can. The suppressant is separated from the electrolyte by the first suppressant container. | 01-03-2013 |
20130004808 | CONTROLLABLY THERMALLY INSULATING HOUSING AND METHOD FOR THE CONTROL THEREOF - The invention relates to a thermally insulated housing system having a housing, which has an inner chamber configured to receive a high capacity accumulator. The housing according to the invention comprises a double wall in which there is a gap, wherein the gap is connected to the inner chamber in a thermally conductive manner by means of at least one inner wall section of the double wall. The gap is connected to the surroundings of the housing by means of at least one outer wall section of the double wall and is completely sealed except for a liquid connection. The housing system further comprises a liquid pump connected to the fluid connection and a liquid tank having liquid. The liquid tank is connected to the inner chamber via the liquid pump. The liquid pump is designed to control the fill level of the liquid in the gap between the wall sections of the double wall. The invention further relates to a method for the controlled cooling of a high capacity accumulator. The high capacity accumulator is arranged in an inner chamber of a housing having a double wall, within which a gap extends. The high capacity accumulator is connected to an inner wall section of the double wall in a thermally conductive manner by means of the arrangement. Heat transfer from the high capacity accumulator via the inner wall section and via an outer wall section of the double wall adjacent to the surroundings of the housing to the surroundings is controlled by changing a fill level of a liquid in the gap which extends between the inner and outer wall section. | 01-03-2013 |
20130017418 | ELECTRODE MATERIAL COMPRISING METAL SULFIDE - The present invention relates to electrode material for an electrical cell comprising as component (A) at least one ion- and electron-conductive metal chalcogenide, as component (B) carbon in a polymorph comprising at least 60% sp | 01-17-2013 |
20130017419 | APPARATUS AND METHOD FOR COOLING CONTROL OF BATTERY PACK - The apparatus for cooling control of a battery pack according to the present invention includes a temperature sensor for measuring the temperature of the battery pack; a blower module for introducing a cooling medium into the battery pack by means of fan operation; and a controller for controlling the operation of the blower module so that the cooling medium is introduced into the battery pack at a differential flow rate depending on temperature information input by the temperature sensor. | 01-17-2013 |
20130022843 | ASSEMBLED BATTERY AND METHOD OF CONTROLLING ASSEMBLED BATTERY - There is provided an assembled battery allowed to compute and detect an SOC easily with high accuracy while increasing energy density. An assembled battery | 01-24-2013 |
20130052491 | THERMAL MANAGEMENT SYSTEM FOR A MULTI-CELL ARRAY - A thermal management system for an energy storage system that controls the temperature of an array of electrochemical cells of the energy storage system. Fluid channels or pathways are provided around outer side regions of an array of electrochemical cells. Fluid flow is directed along one pathway to a next subsequent pathway, absorbing thermal energy generated by the array of electrochemical cells along the way. The fluid flow is eventually discharged from the energy storage system by the thermal management system, thereby removing thermal energy from the energy storage system. | 02-28-2013 |
20130052492 | LITHIUM ION CELL HAVING INTRINSIC PROTECTION AGAINST THERMAL RUNAWAY - The present invention relates to an electrochemical cell for a lithium ion battery comprising at least (i) one electrolyte, (ii) at least one cathodic electrode, (iii) at least one anodic electrode and (iv) at least one separator disposed between cathodic electrode and anodic electrode, wherein said separator comprises at least one porous ceramic material. The electrochemical cell is enclosed in a gas-tight manner in a pressure-resistant housing, wherein said housing and said electrochemical cell do not comprise any means for reducing the pressure in the housing, especially no bursting device, pressure valve, one-way valve, central pin, mandrel or the like. | 02-28-2013 |
20130059174 | Partially surface-mediated lithium ion-exchanging cells and method for operating same - A lithium super-battery cell comprising: (a) A cathode comprising a cathode active material having a surface area to capture or store lithium thereon, wherein the cathode active material is not a functionalized material and does not bear a functional group; (b) An anode comprising an anode current collector; (c) A porous separator disposed between the two electrodes; (d) A lithium-containing electrolyte in physical contact with the two electrodes, wherein the cathode active material has a specific surface area of no less than 100 m | 03-07-2013 |
20130059175 | BATTERY WITH DEGASSING SYSTEM AND METHOD FOR DISSIPATING EMERGING SUBSTANCES - The invention relates to a battery with a degassing system and to a method for dissipating substances emerging from a battery, by which means the gases and electrolytes which result from chemical activity can be dissipated using simple means in this way, and battery cells are protected against damage. The invention provides that the battery with the degassing system comprises a base plate ( | 03-07-2013 |
20130059176 | ARRANGEMENT AND METHOD FOR STORING ELECTRIC ENERGY IN ELECTROCHEMICAL CELLS WITH A LARGE DIAMETER AND HIGH STORAGE CAPACITY - An electrochemical cell assembly has electrochemical cells of large diameter and high storage capacity, making it particularly useful for stabilization of electric supply systems. The assembly includes at least one electrochemical cell composed of a layer of: a liquid metal or liquid metal alloy forming the cathode, a liquid electrolyte layer, and a layer of a liquid metal or liquid metalloid forming the anode. An electrically insulating inner tube is provided along the vertical axis of the assembly, the presence of which prevents the occurrence of the Tayler instability or other instabilities caused in the liquids by the current flow, and thus prevents the intermixing of the liquids. Another very efficient option for increasing the maximum current of the cell is that of conducting a current having a suitable direction and intensity through the interior of the inner tube. | 03-07-2013 |
20130065093 | Historical Analysis of Battery Cells for Determining State of Health - Battery cells may be monitored and a historical profile of the battery generated. The historical profile may be used to analyze a state-of-health of the battery cell. For example, the historical profile may be used to determine when a battery cell has developed an internal short that creates a safety hazard. The historical profile may include a count of the number of times the battery cell was out of balance and a count of the number of Coulombs the battery cell was out of balance. The number of Coulombs may be counted for a window of time. When the number of Coulombs exceeds a Coulomb threshold, a state-of-health flag may be set for the battery cell. The Coulomb threshold may be adjusted based, in part, on the counted number of times the battery cell is out of balance. | 03-14-2013 |
20130065094 | METHOD AND SYSTEM FOR COOLING SECONDARY BATTERY - Provided are a method and system for rapidly cooling a lithium secondary battery. A conductive connector is connected to at least one of positive and negative electrode terminals of a lithium secondary battery, and the conductive connector is brought into contact with a coolant to cool battery cells. The coolant may be water or air and may flow a coolant tube formed of a synthetic resin. An end of the coolant tube is fixed to at least one of the positive and negative electrode terminals. Therefore, owing to a cooling means disposed at a side of the lithium secondary battery, the temperature of the lithium secondary battery can be prevented from increasing to a preset value due to abnormal heating, and thermal stability of the lithium secondary battery can be improved by rapid cooling. | 03-14-2013 |
20130065095 | DESCRIBING A TEMPERATURE-CONTROL REQUEST IN ONE BYTE - A plurality of types of heat-treatment requests are described in a signal in a single byte. | 03-14-2013 |
20130071699 | INTERCONNECTION-LESS LIQUID FIN DESIGN FOR BATTERY COOLING MODULE - A battery module is described. The battery module includes a plurality of cooling fins having an inlet section, a center section, and an outlet section, the inlet and outlet sections extending from opposite ends of the center section at an angle from a plane defined by the center section, the cooling fins having at least one cooling channel extending from an inlet of the inlet section through the center section to an outlet of the outlet section; and a plurality of battery cells positioned in the center section between the plurality of cooling fins. A method of cooling a battery module is also described. | 03-21-2013 |
20130071700 | COMPACT BATTERY COOLING DESIGN - A battery module is described. The battery module includes the battery module includes a plurality of repeating frames; a plurality of battery cells positioned between the plurality of repeating frames, the battery cells having a flexible heat conducting covering, an edge of the heat conducting covering folded over an outside edge of the repeating frame; and a heat sink contacting the edge of the heat conducting covering folded over the edge of the repeating frame. A method of cooling a battery module is also described. | 03-21-2013 |
20130071701 | Response to High Voltage Electrolysis of Coolant in a Battery Pack - An apparatus and method providing for detecting and responding to high voltage electrolysis within an electric vehicle battery enclosure to limit possible excessive thermal condition of the individual battery cells and modules. A microprocessor-implemented response system for high voltage electrolysis in a battery pack an evaluator to monitor, using the microprocessor, a high voltage electrolysis flag indicative of a possible high voltage electrolysis within an enclosure including a plurality of electrically-coupled battery modules storing energy for the battery pack and a coolant distribution system disposed among and electrically isolated from the plurality of battery modules; and a remediation system, coupled to the enclosure and responsive to the possible high voltage electrolysis when the evaluator detects a likelihood of the possible high voltage electrolysis, to decrease risks associated with the possible high voltage electrolysis when operated. | 03-21-2013 |
20130071702 | FUEL CELLS - A redox fuel cell comprising an anode and a cathode separated by an ion selective polymer electrolyte membrane; means for supplying a fuel to the anode region of the cell; means for supplying an oxidant to the cathode region of the cell; means for providing an electrical circuit between respective anodes and cathodes of the cell; a catholyte solution comprising at least one catholyte component, the catholyte solution comprising a redox mediator couple; and a regeneration zone comprising a catholyte channel and a porous member having an active surface, the catholyte channel being arranged to direct a flow of catholyte adjacent to or towards the active surface, the means for supplying an oxidant to the cell being adapted to supply the oxidant to the porous member. | 03-21-2013 |
20130089758 | BATTERY TEMPERATURE CONTROL APPARATUS AND BATTERY TEMPERATURE CONTROL METHOD - A battery temperature control apparatus capable of controlling the temperature of a battery to reach a suitable condition is provided. Thermal capacity determining unit | 04-11-2013 |
20130101874 | BATTERY WITH INTEGRATED POWER MANAGEMENT SYSTEM AND SCALABLE BATTERY CUTOFF - The present disclosure relates battery with an integrated power management system and scalable cutoff component, the battery system including a battery housing with first and second voltage output terminals, a plurality of rechargeable battery cells within the battery housing and having first and second voltage terminals; a power management system for generating an external control signal and an internal control signal based upon monitored operating parameters of the plurality of rechargeable battery cells, said external control signal for controlling an external power source and/or an external load, said power management system forming an integral part of the battery system; and a cutoff switch circuit within the battery housing and for making and breaking a conductive path between the first voltage terminal of the plurality of battery cells and the first voltage output terminal of the battery housing in response the internal control signal from the battery management system. | 04-25-2013 |
20130108896 | METHODS AND APPARATUS FOR COMBINED THERMAL MANAGEMENT, TEMPERATURE SENSING, AND PASSIVE BALANCING FOR BATTERY SYSTEMS IN ELECTRIC VEHICLES | 05-02-2013 |
20130108897 | Method For Thermal Management And Mitigation Of Thermal Propagation For Batteries Using A Graphene Coated Polymer Barrier Substrate | 05-02-2013 |
20130108898 | MODULAR BATTERY CONTROL SYSTEM ARCHITECTURE | 05-02-2013 |
20130108899 | LITHIUM-SULPHUR BATTERY | 05-02-2013 |
20130115484 | LITHIUM ION SECONDARY BATTERY WITH IMPROVED SAFETY CHARACTERISTICS - A lithium ion secondary battery is provided. The battery comprises: an electrolytic solution; a negative electrode comprising a negative electrode active material; a positive electrode comprising a positive electrode active material, and a heat-resistant layer comprising a metal fluoride. | 05-09-2013 |
20130115485 | Lithium-Ion Battery with Life Extension Additive - A system and/or method for replenishing lithium-ion battery capacity that is lost due to side reactions over the lifetime of a battery in one embodiment includes a battery with a first electrode, a second electrode, a separator region configured to electronically isolate the first and second electrodes, a first portion of lithium metal encapsulated within a first ionically insulating barrier configured to prevent transport of lithium ions therethrough, a memory in which command instructions are stored, and a processor configured to execute the command instructions to (i) determine a first lithium content of the first electrode, (ii) compare the first lithium content of the first electrode to a first threshold, and (iii) activate the first portion of lithium metal based on the comparison of the first lithium content to the first threshold. | 05-09-2013 |
20130115486 | LITHIUM ION SECONDARY BATTERY, BATTERY CAPACITY RECOVERY APPARATUS, AND BATTERY CAPACITY RECOVERY METHOD - A lithium ion secondary battery includes: an outer covering material that is filled with an electrolyte; a collector that is housed in the outer covering material, formed with an electrode layer containing an active material, and electrically connected with the electrode layer; an insulation layer that is provided on the collector; and a low potential member that is provided on the insulation layer, has a lower oxidation reduction potential than the active material of the electrode layer, and possesses a reduction ability relative to the active material. | 05-09-2013 |
20130122331 | LITHIUM ION BATTERY COOLING SYSTEM - A Lithium Ion battery cooling system for use in a hybrid vehicle comprises a plurality of self-contained liquid cooling modules, each cooling module including a closed and sealed container having an interior space. Each cooling module includes a battery assembly disposed within the interior space of the container and a plurality of battery cells having at least one fluid channel formed therebetween for receiving a fluid therein. A dielectric fluid is disposed within the at least one fluid channel. The dielectric fluid substantially immerses and is in contact with the battery assembly to heat and cool the battery assembly. A heating element is disposed within the interior space and heats the dielectric fluid. A cooling element is disposed within the interior space and cools the dielectric fluid. | 05-16-2013 |
20130130067 | FLUID-SURFACED ELECTRODE - An electrochemical device (such as a battery) includes at least one electrode having a fluid surface, which may employ a surface energy effect to maintain a position of the fluid surface and/or to modulate flow within the fluid. Fluid-directing structures may also modulate flow or retain fluid in a predetermined pattern. An electrolyte within the device may also include an ion-transport fluid, for example infiltrated into a porous solid support. | 05-23-2013 |
20130130068 | BATTERY SYSTEM, METHOD OF CONTROLLING THE BATTERY SYSTEM, AND ENERGY STORAGE SYSTEM INCLUDING THE SAME - A battery system, a method of controlling the battery system, and an energy storage system including the battery system. The battery system includes: a plurality of tray battery management systems (BMSs) controlling at least one battery tray formed of a plurality of battery cells; and a rack BMS transmitting a synchronization signal to the tray BMSs to measure monitoring data, wherein the tray BMSs transmit the synchronization signal to a next tray BMS, measure monitoring data of the at least one battery tray via the transmitted synchronization signal, and transmit the measured monitoring data to the rack BMS. Accordingly, measurement accuracy of battery voltages and battery charging/discharging currents may be improved, and also, calculation accuracy of state of charge (SOC) and state of health (SOH) may be improved. | 05-23-2013 |
20130130069 | HIGH ELASTIC MODULUS POLYMER ELECTROLYTES SUITABLE FOR PREVENTING THERMAL RUNAWAY IN LITHIUM BATTERIES - A polymer that combines high ionic conductivity with the structural properties required for Li electrode stability is useful as a solid phase electrolyte for high energy density, high cycle life batteries that do not suffer from failures due to side reactions and dendrite growth on the Li electrodes, and other potential applications. The polymer electrolyte includes a linear block copolymer having a conductive linear polymer block with a molecular weight of at least 5000 Daltons, a structural linear polymer block with an elastic modulus in excess of 1×10 | 05-23-2013 |
20130136957 | SMART BATTERY SEPARATORS - A separator for an energy storage cell that is provided by a microporous web that includes an irreversible porosity-controlling agent a method for changing an operating characteristic of an energy storage cell. | 05-30-2013 |
20130143076 | MATERIALS AND METHODS FOR RETARDING OR PREVENTING THERMAL RUNAWAY IN BATTERIES - One embodiment includes a rechargeable charge storage device including a microcapsule disposed within said rechargeable charge storage device; and a thermal retardant chemical species contained within said microcapsule, wherein said microcapsule is adapted to release said chemical species upon being exposed to a triggering event either prior to or during an unstable rise in temperature of said charge storage device. | 06-06-2013 |
20130149566 | RECHARGEABLE BATTERY SYSTEM - A rechargeable battery system can include features to facilitate determination of the charge state of a battery or a battery power unit. A rechargeable battery system can include a battery case that can hold a plurality of batteries. The batteries held by the battery case can include a tab located on a portion of the battery, such as, the terminal. The tab can include indicia of the charge state of the battery, and can be detached when the battery is at least partially discharged. The tab can facilitate determination of the charge state of the battery by allowing identification of batteries with the tab attached and batteries from which the tab has been detached. | 06-13-2013 |
20130149567 | LITHIUM ION BATTERY WITH AMORPHOUS ELECTRODE MATERIALS - Lithium-ion battery comprising: (a) a positive electrode comprising an amorphous chalcogenide which comprises lithium ions or which can conduct lithium ions; (b) a negative electrode; (c) a separator between the positive electrode and the negative electrode, wherein the separator comprises a non-woven material composed of fibres, preferably polymer fibres; (d) a non-aqueous electrolyte. | 06-13-2013 |
20130164572 | BATTERY DEVICE WITH VERIFICATION FUNCTION, ANTI-THEFT METHOD AND PACKAGING METHOD THEREOF - A battery device with a verification function, an anti-theft method and a packaging method thereof are disclosed. By detecting electrical characteristics of a battery, an enabling or disable signal is generated. When the enable signal is generated, a transmission unit is triggered for verification as well as obtaining a verification result. When the verification result fails, the self-discharge rate of the battery is increased. This mechanism helps improving the anti-theft function of the battery. | 06-27-2013 |
20130164573 | RECHARGEABLE ENERGY STORAGE SYSTEM THERMAL CONDITIONING USING RESS STATE OF CHARGE - Methods, systems, and vehicles are provided that provide for thermal conditioning of a vehicle rechargeable energy storage system (RESS). A thermal conditioning system is coupled to the RESS, and is configured to thermally condition the RESS. A control system is coupled to the thermal conditioning system, and is configured to estimate a state of charge for the RESS and provide instructions for the thermal conditioning system to thermally conditioning the RESS based on the state of charge. | 06-27-2013 |
20130171480 | System and Method for Monitoring Battery Bus Bars Within a Battery Pack - Systems and methods monitoring battery bus bars are disclosed. In one example, positive temperature coefficient thermistors are coupled to battery bus bars. The systems and method may reduce the cost and complexity of battery bus bar monitoring. | 07-04-2013 |
20130171481 | BATTERY PACK AND METHOD OF INSPECTING STORAGE STATE OF SECONDARY BATTERY IN BATTERY PACK - A battery pack is provided. The battery pack has a plurality of secondary batteries and an inspection circuit. When the plurality of secondary batteries are classified into a first secondary battery group configured of secondary batteries selected from the plurality of secondary batteries and a second secondary battery group configured of remaining secondary batteries not belonging to the first secondary battery group, the inspection circuit creates a first data string of the secondary batteries configuring the second secondary battery group, based on a predetermined arithmetic rule, from identification marks of the secondary batteries configuring the first secondary battery group, obtains a second data string by examining identification marks of the secondary batteries configuring the second secondary battery group, subsequently compares the first data string with the second data string, and stops a function of the battery pack when the first data string and the second data string do not match. | 07-04-2013 |
20130177784 | LITHIUM IRON PHOSPHATE COMPOSITE MATERIAL, PRODUCTION METHOD AND USE THEREOF - Provided are a lithium iron phosphate composite material, the production method thereof and the use thereof The lithium iron phosphate composite material has a micro-size particle structure, which contains nano-size grains of lithium iron phosphate and graphene inside, and bears nano-carbon particulates outside. The lithium iron phosphate composite material has the properties of high conductivity, high-rate charge/discharge performance and high tap density. The production method comprises: preparing an iron salt mixed solution according to the mole ratio of P:Fe=1:1; adding the above solution into an organic carbon source aqueous solution, followed by mixing and reacting, so as to obtain nano-iron phosphate covered with organic carbon source; adding the above nano-iron phosphate covered with organic carbon source and a lithium source compound into an aqueous solution of graphene oxide, agitating, mixing, and then spray drying, so as to obtain a precursor of lithium iron phosphate composite material; calcinating said precursor in a reduction atmosphere and cooling naturally, so as to obtain said lithium iron phosphate composite material. The material is used for lithium ion battery or positive electrode material. | 07-11-2013 |
20130183546 | COMPOSITE ALKALI ION CONDUCTIVE SOLID ELECTROLYTE - An electrochemical cell having a composite alkali ion-conductive electrolyte membrane. Generally, the cell includes a catholyte compartment and an anolyte compartment that are separated by the composite alkali ion-conductive electrolyte membrane. The composite electrolyte membrane includes a layer of alkali ion-conductive material and one or more layers of alkali intercalation compound which is chemically stable upon exposure to a chemically reactive anolyte solution or catholyte solution thereby protecting the layer of alkali ion-conductive material from unwanted chemical reaction. The layer of alkali intercalation compound conducts alkali ions. The cell may operate and protect the alkali ion-conductive material under conditions that would be adverse to the material if the intercalation compound were not present. The composite membrane may include a cation conductor layer having additional capability to protect the composite electrolyte membrane from adverse conditions. | 07-18-2013 |
20130183547 | COMPOSITIONS, LAYERINGS, ELECTRODES AND METHODS FOR MAKING - There is a composition comprising 1 to 17.5 wt. % ionomer composition comprising halogen ionomer and 50 to 99 wt. % carbon-sulfur composite made from carbon powder having a surface area of about 50 to 4,000 square meters per gram and a pore volume of about 0.5 to 6 cubic centimeters per gram. The composite has 5 to 95 wt. % sulfur compound. There is also a layering comprising a plurality of coatings. Respective coatings in the plurality of coatings comprise respective compositions. The respective coatings comprise at least one ionomer composition comprising halogen ionomer and at least one carbon-sulfur composite of carbon powder and sulfur compound. There are also electrodes comprising the composition or layering and methods of using such in cells. | 07-18-2013 |
20130183548 | COMPOSITIONS, LAYERINGS, ELECTRODES AND METHODS FOR MAKING - There is a carbon-sulfur composite; and there is a composition comprising about 1 to 17.5 wt. % polymeric binder and about 50 to 99 wt. % carbon-sulfur composite comprising carbon powder having a surface area of about 50 to 4,000 square meters per gram and a pore volume of about 0.5 to 6 cubic centimeters per gram. The carbon powder comprises carbon having a macromolecular structure ordered in at least two dimensions and characterized by having two-dimensional carbon sheets which are stacked into carbon layers. The carbon-sulfur composite also comprises about 5 to 95 wt. % sulfur compound. There is also a layering comprising a plurality of coatings. Respective coatings in the plurality of coatings can comprise respective compositions. The respective coatings can comprise at least one polymeric binder and at least one carbon-sulfur composite comprising carbon powder and sulfur compound. There are also electrodes comprising a composition or a layering and methods of using such in cells. | 07-18-2013 |
20130183549 | COMPOSITIONS, LAYERINGS, ELECTRODES AND METHODS FOR MAKING - There is a cell comprising an article comprising a hydrocarbon ionomer. The article may be any element in the cell, such as an interior wall, or a modification to an element, such as a film, a membrane, and a coating. The hydrocarbon ionomer is any polymer with ionic functionality, such as a polymeric (methacrylate) neutralized with lithium, and not containing halogen or halogen-containing substituents. The hydrocarbon ionomer may also be included in a composition within an element of the cell, such as a porous separator. The cell also comprises a positive electrode including sulfur compound, a negative electrode, a circuit coupling the positive electrode with the negative electrode, an electrolyte medium and an interior wall of the cell. In addition, there are methods of making the cell and methods of using the cell. | 07-18-2013 |
20130183550 | COMPOSITIONS, LAYERINGS, ELECTRODES AND METHODS FOR MAKING - There is a cell comprising an article comprising a hydrocarbon ionomer. The article may be any element in the cell, such as an interior wall, or a modification to an element, such as a film, a membrane, and a coating. The hydrocarbon ionomer is any polymer with ionic functionality, such as a polymeric (methacrylate) neutralized with lithium, and not containing halogen or halogen-containing substituents. The hydrocarbon ionomer may also be included in a composition within an element of the cell, such as a porous separator. The cell also comprises a positive electrode including sulfur compound, a negative electrode, a circuit coupling the positive electrode with the negative electrode, an electrolyte medium and an interior wall of the cell. In addition, there are methods of making the cell and methods of using the cell. | 07-18-2013 |
20130189550 | COMPOSITE, ITS PRODUCTION AND ITS USE IN SEPARATORS FOR ELECTROCHEMICAL CELLS - The present invention relates to a novel composite which comprises at least one base body composed of nonwoven as component (A), at least one nanocomposite as component (B), at least one polyether or at least one polyether-comprising radical as component (C) and optionally a lithium salt as component (D). | 07-25-2013 |
20130189551 | THERMAL DECOUPLING OF BATTERY CELLS IN THE CASE OF A MALFUNCTION - A battery module having a plurality of battery cells positioned adjacent to one another and electrically connected to one another, between which the thermal resistance between adjacent battery cells may be increased in the case of a malfunction of the battery module and/or of individual battery cells, in order to prevent overheating of adjacent cells. In addition, a method for thermally decoupling battery cells in the case of a malfunction is described. | 07-25-2013 |
20130196184 | BATTERY MODULE WITH INTEGRATED THERMAL MANAGEMENT SYSTEM - A controller identifies a condition of a hazardous internal short by comparing patterns of series element voltages to the last known balance condition of the series elements. If the loaded or resting voltage of one or more contiguous series elements uniformly drop from the previously known condition by an amount consistent with an over-current condition, an over-current internal short circuit fault is registered. The desired response is to prevent the affected series elements from heating to a hazardous temperature by summoning the maximum heat rejection capability of the system until the short ceases and the affected elements cool, the cooling function is no longer able to operate due to low voltage, or the affected series string has drained all of its energy through the short. Also includes are responses that allow the battery pack to continue to power the cooling system even though it may enter an over-discharged state. | 08-01-2013 |
20130202920 | Dendrite-Inhibiting Salts in Electrolytes of Energy Storage Devices - The performance and the lifetime of energy storage devices can be hindered by the growth of metal dendrites during operation. Electrolytes having dendrite-inhibiting additives can result in significant improvement. In particular, energy storage devices having an electrode containing a metallic element, M1 can be characterized by a non-aqueous, liquid electrolyte having a first salt and a dendrite-inhibiting salt. The first salt can have a cation of M1 and the dendrite-inhibiting salt can have a cation of metallic element, M2, wherein the cation of M2 has an ionic size greater than, or equal to, the cation of M1. | 08-08-2013 |
20130209840 | PARTICLES, PROCESS FOR PRODUCTION THEREOF AND USE THEREOF - Particles comprising a mixed oxide of the general formula (I) | 08-15-2013 |
20130209841 | Passive Safety Device and Internal Short Tested Method for Energy Storage Cells and Systems - A passive safety device for an energy storage cell for positioning between two electrically conductive layers of the energy storage cell The safety device also comprising a separator and a non-conductive layer. A first electrically conductive material is provided on the non-conductive layer. A first opening is formed through the separator between the first electrically conductive material and one of the electrically conductive layers of the energy storage device. A second electrically conductive material is provided adjacent the first electrically conductive material on the non-conductive layer, wherein a space is formed on the non-conductive layer between the first and second electrically conductive materials. A second opening is formed through the non-conductive layer between the second electrically conductive material and another of the electrically conductive layers of the energy storage device. The first and second electrically conductive materials combine and exit at least partially through the first and second openings to connect the two electrically conductive layers of the energy storage device at a predetermined temperature. | 08-15-2013 |
20130236746 | Method and apparatus for electric batteries including nano-components - The present invention innovates method and an apparatus of a nano-components electric batteries, fitted to produce an electric energy, wherein, the method and an electric batteries of the present invention enables to combine in the electric batteries some components which had treated in some prior process, such process designated to transform some materials by a nanotechnology transforming materials and components process to a nano-components and materials, fitted to be combined as nano-components and materials with some parts of the electric batteries, and all together performing an electric batteries as in the present invention method and apparatus. | 09-12-2013 |
20130236747 | Method system and apparatus for a dynamic battery - The present invention innovates in method, system and apparatus of a dynamic battery producing electric energy, wherein, in the method, the present invention enables an electric battery made from battery sections that designated to enables a replacement of at list some of the battery components which are at their final discharge condition, to a new components that enabled the continual flows of the electrical energy, automatically, or by technologic mechanism, or by a manual action. | 09-12-2013 |
20130236748 | AUTOMATED COMPOSITE BATTERY - A composite battery capable of adjusting its own power output in response to predetermined signals or lack of predetermined signals is provided. The composite battery has a set of terminals, a battery, a sensing device and a switch, all housed within a casing, which can be in the shape of a conventional battery. The sensor captures signals which upon reaching a certain threshold cause the switch to engage or disengage to selectively provide a load current to an electronic device. The battery may be used in battery-controlled consumer electronics articles, such as toys, to prevent avoidable battery drain or unintended activation when the electronics article is not in use. | 09-12-2013 |
20130260187 | REPLENISHABLE DOWNHOLE BATTERY - A battery for downhole use configured for fluid-based replenishment. The battery may include separate anode and cathode fluid tanks which may be refilled at various times throughout the life of the well. Upon coupling of a replenishment tool to the battery, it may be fully replenished in a matter of minutes. Further, the nature of the fluid tanks allows for decreased battery bulk in even as increase power and life are afforded due to overall tank volume. Thus, with minimal total intervention time, extended life and replenishable character may be achieved for a battery well suited for use in downhole environments. | 10-03-2013 |
20130260188 | METHOD AND APPARATUS FOR OPTIMIZED BATTERY LIFE CYCLE MANAGEMENT - Method and apparatus for optimized battery life cycle management are described. A battery management system (BMS), comprising a battery, identifies battery-specific factors with associated environmental conditions, and battery history profiles at a current time instant. The BMS measures current, voltage, and/or power of the battery instantaneously. The resulting battery measurements, the battery-specific factors with associated environmental conditions, and the battery history profiles, formed as battery dynamic situations at the current time instant, may be time stamped for estimating an instantaneous battery state of the battery. The time stamped battery dynamic situations may be aggregated for long-term trend analysis for the battery state. The instantaneous battery state estimate is updated by comparing with the long-term trend analysis to manage battery charging or discharging. The battery operating conditions are determined based on the updated battery state estimate. The BMS may manage system power consumptions based on the determined battery conditions. | 10-03-2013 |
20130260189 | GRAPHENE IN LITHIUM ION BATTERIES - A lithium ion battery comprising at least two electrodes, each comprising at least one metallic substrate and one material able to intercalate metallic lithium or lithium ions or which can conduct lithium ions and with which the metallic substrate can be coated, wherein the metallic substrate and the material each form a boundary layer between them; one separator which separates the electrodes from one another and with which the material of the electrodes is coated, wherein the material and the separator form respective boundary layers between them, characterized in that a layer of material comprising or consisting of graphene extends at least partially into at least one of said boundary layers. | 10-03-2013 |
20130280561 | SYSTEM AND METHOD FOR USING EXHAUST GAS TO HEAT AND CHARGE A BATTERY FOR A HYBRID VEHICLE - A system and method for using exhaust gas to heat and/or charge a battery for a hybrid vehicle is provided. The system and method use an exhaust gas heat recovery (EGHR) device to heat a heat transfer fluid. The heat transfer fluid is thermally connected to a first heat exchanger to heat the battery and/or to a second heat exchanger to charge the battery if predetermined conditions are met. | 10-24-2013 |
20130288083 | FIRE SUPPRESSENT BATTERY PACK - A fire suppressant battery system has a battery pack, a non-conductive fire suppressant liquid in a fire suppressant bladder, and a fire suppressant protective layer. The bladder melts at a temperature above the battery pack's desired operating condition, has a cavity for receiving the liquid and contacts at least a section of the battery pack. The protective layer is positioned onto a portion of the fire suppression bladder's exterior surface that is on the opposite side to that which contacts the battery pack. | 10-31-2013 |
20130288084 | ELECTRIC VEHICLE PROPULSION SYSTEM AND METHOD UTILIZING SOLID-STATE RECHARGEABLE ELECTROCHEMICAL CELLS - A vehicle propulsion system comprising a plurality of solid state rechargeable battery cells configured to power a drivetrain. In accordance with once aspect of the invention, a transportation system that is powered at least in part by electricity stored in the form of rechargeable electrochemical cells. According to an embodiment of the present invention, these cells are combined in series and in parallel to form a pack that is regulated by charge and discharge control circuits that are programmed with algorithms to monitor state of charge, battery lifetime, and battery health. | 10-31-2013 |
20130302653 | VEHICLE BATTERY PACK COOLING SYSTEM - The present disclosure relates to a vehicle battery pack cooling system, including: a housing; a fan attached to the housing; a first section of the housing including a battery module selectively in fluid communication with the fan; a second section of the housing including a battery support device selectively in fluid communication with the fan; and a baffler assembly configured to control fluid communication between the fan and the first and second sections. | 11-14-2013 |
20130302654 | ELECTRICAL COMPONENT HAVING A DEVICE FOR ISOLATING AN ELECTRICAL LINE CONNECTION - The invention relates to an electrical component having a device for isolating an electrical line connection, wherein said electrical component comprises a reactive multi-layer structure in order to effect isolation of the electrical line connection. The electrical component can be a galvanic cell, and the device for isolating can be disposed outside or inside the cell. The electrical component can also be a cell connector. A quick and reliable isolation of galvanic cells from a combination of several galvanic cells or a quick and reliable dismantling of large cells into segments can be achieved. | 11-14-2013 |
20130302655 | Ultrasonic Electrolyte Sensor - A system is disclosed for monitoring an electrolyte level in a battery cell and generating an indication of a fault condition when the electrolyte level drops below a predetermined acceptable level. The system may make use of a controller, an ultrasonic transmit circuit for transmitting an ultrasonic signal into an interior area of the battery cell, and an ultrasonic receive circuit for receiving the ultrasonic signal after it has been reflected from the interior area of the battery cell. The controller may use the reflected ultrasonic signal and a predetermined calibration signal representing the predetermined acceptable level of the electrolyte to determine when the electrolyte level has dropped below the predetermined acceptable level. | 11-14-2013 |
20130316197 | ENERGY STORAGE ARTICLE AND METHOD - Systems and methods for obtaining and/or maintaining a column height of an electrolyte relative to a separator surface within an energy storage device. Embodiments of the invention provide a wicking component, a current collector, and a bias component. The current collector is positioned to force the bias component to press the wicking component tight to an inner surface of a separator. The bias component maintains contact between the wicking component and the surface of separator and creates a capillary gap in which sodium wicks. | 11-28-2013 |
20130316198 | BATTERY MANAGEMENT SYSTEMS WITH THERMALLY INTEGRATED FIRE SUPPRESSION - A thermal management system is integral to a battery pack and/or individual cells. It relies on passive liquid-vapor phase change heat removal to provide enhanced thermal protection via rapid expulsion of inert high pressure refrigerant during abnormal abuse events and can be integrated with a cooling system that operates during normal operation. When a thermal runaway event occurs and sensed by either active or passive sensors, the high pressure refrigerant is preferentially ejected through strategically placed passages within the pack to rapidly quench the battery. | 11-28-2013 |
20130323542 | Electrochemical Cell Based on Lithium Technology with Internal Reference Electrode, Process for Its Production and Methods for Simultaneous Monitoring of the Voltage or Impedance of the Anode and the Cathode Thereof - The present invention is directed to an electrochemical cell based on lithium technology, comprising the following components: a positive electrode containing a cathode material, a separator made of an electrically insulating material, a negative a electrode containing an anode material, the electrodes and the separator having layer or sheet form, a liquid and/or solid ion conductor material for transportation of lithium ions between the positive and the negative electrode, the said components being sealed within a casing, wherein the positive and the negative electrode each comprise an electrically conducting structure extending through a wall of the casing for further electrical connection, characterized in that it further comprises: a reference electrode within the said casing which is electrically insulated from the positive and the negative electrode, the reference electrode having layer or sheet form comprising at least one non-metallic lithium compound, and an electrically conducting structure in layer or sheet form being in electrical contact with the said reference electrode, the electrically conducting structure extending through a wall of the casing for further electrical connection. The invention is further directed to a method for the preparation of this electrochemical cell, to a method for measuring the voltage or the impedance of a cathode and/or of an anode of such an electrochemical cell based on lithium technology, and to driving methods of said cell, decreasing aging phenomena and improving its life duration. | 12-05-2013 |
20130323543 | TEMPERATURE-CONTROL DEVICE AND METHOD FOR THE TEMPERATURE CONTROL OF AN ENERGY STORE - The invention relates to a temperature-control device for the temperature control of an energy source, wherein the temperature-control device comprises a temperature-control unit, which has at least one Peltier element which is arranged between an accommodation area for the energy source and a fluid area in a thermally effective manner. Furthermore, the temperature-control device comprises a control unit for supplying voltage to the Peltier element, wherein the control unit is designed to supply a voltage to the Peltier element, which causes the Peltier element to transfer heat from the hotter part of the accommodation area or fluid area to the colder part of the accommodation area or fluid area. | 12-05-2013 |
20130330577 | DYNAMIC PRESSURE CONTROL IN A BATTERY ASSEMBLY - Operating a battery assembly that includes one or more rechargeable battery cells includes: monitoring one or more operational parameters of the battery cells; and dynamically controlling pressure applied to the one or more battery cells based at least in part on one or more of the monitored operational parameters. | 12-12-2013 |
20130330578 | METHOD AND DEVICE FOR WARMING A TRACTION BATTERY OF A VEHICLE - A method of warming a traction battery ( | 12-12-2013 |
20130337293 | LITHIUM-SULFUR CELL BASED ON A SOLID ELECTROLYTE - A lithium-sulfur cell which may be operated at room temperature or at a higher temperature, the anode and the cathode of the lithium-sulfur cell being separated by a lithium ion-conducting and electron-nonconducting solid electrolyte. Also described is an operating method for such a lithium sulfur cell and to the use of such a lithium-sulfur cell. | 12-19-2013 |
20130337294 | BATTERY FOR A VEHICLE AND METHOD OF OPERATING SUCH A BATTERY - A battery for a vehicle has a plurality of battery cells forming a cell stack. During the operation of the battery, electrical energy can be drawn from the cell stack or supplied to the cell stack via at least one cable. At least one monitoring device, in particular an optocoupler, is used to monitor a resistance that is present on at least one detachable junction of the at least one cable to an additional component of the battery, wherein the monitoring device is connected in a parallel branch to the junction. By monitoring the resistance at the junctions, local overheating of the battery can be prevented. | 12-19-2013 |
20130344354 | Hybrid Anodes for Energy Storage Devices - Energy storage devices having hybrid anodes can address at least the problems of active material consumption and anode passivation that can be characteristic of traditional batteries. The energy storage devices each have a cathode separated from the hybrid anode by a separator. The hybrid anode includes a carbon electrode connected to a metal electrode, thereby resulting in an equipotential between the carbon and metal electrodes. | 12-26-2013 |
20130344355 | Battery Cell with Flexible Wireless Temperature Sensor - A battery system in one embodiment includes a first battery cell including a shell encasing a positive electrode, a negative electrode, and a separator positioned between the positive electrode and the negative electrode, and at least one first wireless temperature sensor assembly encased within the first shell. | 12-26-2013 |
20140004394 | battery thermal management using phase change material | 01-02-2014 |
20140004395 | ELECTRIC ENERGY STORE | 01-02-2014 |
20140011057 | HYBRID ELECTROCHEMICAL ENERGY STORE - In the case of an arrangement of electrochemical energy stores with at least one first rechargeable electrochemical energy store E | 01-09-2014 |
20140023887 | POUCHED TYPE SECONDARY BATTERY INCLUDING GAS DISCHARGING DEVICE AND GAS DISCHARGING CONTROL METHOD - The present invention relates to a pouch-type secondary battery including a gas discharging device and a gas discharging control method, comprising: a plurality of pouched type cell modules including a pair of pouched type cells sealed by a pouch, having cathode taps and anode taps drawn to the outside of one side of the pouch, and sequentially laminated to each other, and a cell case coupled to seal the pouches of the pouched type cells; a gas discharging hole which is formed at and communicates with one side of the cell case; a connective duct which is coupled and communicates with the gas discharging hole; and a fan which is formed at one side of the connective duct. | 01-23-2014 |
20140023888 | LITHIUM RECHARGABLE CELL WITH REFERENCE ELECTRODE FOR STATE OF HEALTH MONITORING - A battery management system includes one or more lithium ion cells in electrical connection, each said cell comprising: first and second working electrodes and one or more reference electrodes, each reference electrode electronically isolated from the working electrodes and having a separate tab or current collector exiting the cell and providing an additional terminal for electrical measurement; and a battery management system comprising a battery state-of-charge monitor, said monitor being operable for receiving information relating to the potential difference of the working electrodes and the potential of one or more of the working electrodes versus the reference electrode. | 01-23-2014 |
20140030559 | LITHIUM ION FLUORIDE ELECTROCHEMICAL CELL - Electrochemical cells of the present invention are versatile and include primary and secondary cells useful for a range of important applications including use in portable electronic devices. Electrochemical cells of the present invention also exhibit enhanced safety and stability relative to conventional state of the art primary lithium batteries and lithium ion secondary batteries. For example, electrochemical cells of the present invention include secondary electrochemical cells using a combination of anion and cation charge carriers capable of accommodation by positive and negative electrodes independently comprising host materials. | 01-30-2014 |
20140037998 | ELECTRICAL STORAGE DEVICE HEATER FOR VEHICLE - An electrical storage device heater system according to an exemplary aspect of the present disclosure includes, among other things, an electrical storage device, a heater configured to regulate a temperature of the electrical storage device and a controller configured to actuate the heater using power sourced from a location separate from the electrical storage device. | 02-06-2014 |
20140072839 | SYSTEM AND METHOD FOR CONTROLLING COOLING OR HEATING OF BATTERY - Disclosed herein is a system for controlling the cooling or heating of a battery. The system includes a battery having a hermetic sealing structure to prevent passage of air from an exterior, a pressure sensor provided on the battery to measure internal pressure of the battery, an climate control system cooling or heating the battery, and a controller determining cooling or heating of the climate control system depending on whether the internal pressure of the battery is positive pressure or negative pressure based on a measured result of the pressure sensor, the controller controlling cooling or heating strength depending on a level of the positive pressure or negative pressure. | 03-13-2014 |
20140079962 | BATTERY TEMPERATURE ADJUSTING SYSTEM AND OPERATING METHOD THEREOF - The present invention relates to a battery temperature adjusting system including: a battery unit having a heating pad; a leading wire connected to the battery unit; and a current induction unit surrounding the leading wire, wherein the current induction unit is electrically connected to the heating pad. The battery temperature adjusting system according to the present invention generates the induced current by applying the current induction unit surrounding the leading wire connected to the battery unit, and increases the temperature of the battery unit by supplying the induced current to the heating pad, thereby obtaining a desired battery output in a low-temperature region even without the use of an external power source. | 03-20-2014 |
20140087215 | TEMPERATURE CONTROLLING SYSTEM AND METHOD OF BATTERY - There is provided a temperature controlling system of a battery, in which a switch is additionally provided in an energy storage system so as to control a charging/discharging current path to the battery, thereby controlling the temperature of the battery. Also, there is provided a temperature controlling method of a battery, which increases the temperature of the battery by cutting off the coupling to a grid when the low-temperature state of the battery is sensed in the operation of an energy storage system and generating charging/discharging current to the battery using an inductor of an inverter at an output stage of the energy storage system. | 03-27-2014 |
20140093754 | High-Temperature Resistant Carbon Monofluoride Batteries Having Lithiated Anode - Disclosed are carbon monofluoride cathode batteries suitable for use at highly elevated temperatures. Rather than using a pure lithium anode, the anode has a base material selected from the group consisting of silicon, germanium and tin, where the base material is lithiated. This renders the anode more resistant to heat. Selected electrolytes are used which also contain lithium salts. Methods for using these batteries at high temperatures are also disclosed. | 04-03-2014 |
20140093755 | BATTERY SYSTEM WITH HEAT EXCHANGER - A battery module includes a plurality of electrochemical cells arranged in a first row and a second row offset from the first row. The battery module also includes a heat exchanger configured to allow a fluid to flow through the heat exchanger. The heat exchanger is disposed between the first and second rows of cells and has a shape that is complementary to the cells in the first and second rows of cells so that an external surface of the heat exchanger contacts a portion of each of the plurality of electrochemical cells. The heat exchanger is configured to route the fluid between an inlet and an outlet such that a path of the fluid flow includes a plurality of adjacent fluid flow segments. | 04-03-2014 |
20140099521 | SYSTEM AND METHOD FOR MANAGING BATTERY - Disclosed here is a system for managing a battery including a coolant pump to circulate a coolant through the system, a first cooling channel including a first shutoff valve, configured to circulate the coolant through a radiator and a thermoelectric device, wherein the coolant heats and cools the battery when the battery is overcooled and overcooled; a second cooling channel including a second shutoff valve, connected in parallel with the first cooling channel, wherein the second cooling channel is configured to circulate the coolant through a battery charger; controller configured to determine when a vehicle is parked or being charged, check a temperature of the battery, open and close the first and the second shutoff valve, and control the coolant pump to circulate the coolant through the thermoelectric device, the first cooling channel, and the second cooling channel when the battery is overcooled and overheated. | 04-10-2014 |
20140099522 | Low-Temperature Liquid Metal Batteries for Grid-Scaled Storage - An electrochemical cell and its method of operation includes an electrolyte having a binary salt system of an alkali hydroxide and a second alkali salt. The anode, cathode, and electrolyte may be in the molten phase. The cell is operational for both storing electrical energy and as a source of electrical energy as part of an uninterruptible power system. The cell is particularly suited to store electrical energy produced by a renewable energy source. | 04-10-2014 |
20140099523 | ENERGY STORAGE DEVICE WITH HEATING DEVICE AND METHOD FOR HEATING ENERGY CELLS OF AN ENERGY STORAGE DEVICE - The invention relates to an energy storage device ( | 04-10-2014 |
20140106186 | LIPON COATINGS FOR HIGH VOLTAGE AND HIGH TEMPERATURE Li-ION BATTERY CATHODES - A lithium ion battery includes an anode and a cathode. The cathode includes a lithium, manganese, nickel, and oxygen containing compound. An electrolyte is disposed between the anode and the cathode. A protective layer is deposited between the cathode and the electrolyte. The protective layer includes pure lithium phosphorus oxynitride and variations that include metal dopants such as Fe, Ti, Ni, V, Cr, Cu, and Co. A method for making a cathode and a method for operating a battery are also disclosed. | 04-17-2014 |
20140120383 | APPARATUS AND METHOD FOR HIGH POWER DENSITY POWER DISCHARGE FROM A BATTERY PACK - A method is disclosed for connecting batteries, the method including but not limited to clamping a hot battery terminal made of a first metal of a first battery cell to a cold battery terminal made of a second metal of a second battery cell, wherein the hot terminal has a lower conductivity than the hot terminal; sharing heat from the hot and cold terminal in the clamp; dissipating the heat from the hot and cold terminal in the clam; and providing a Higher power density from the batteries. An apparatus is disclosed for performing the method. | 05-01-2014 |
20140120384 | DEVICE FOR AIDING IN THE FRACTURE OF A VENT OF AN ELECTROCHEMICAL CELL - A device for aiding in the fracture of a vent of an electrochemical cell includes a main body having a first surface and a plurality of lobes extending out from the first surface of the main body such that an open space is provided between adjacent lobes. Each of the plurality of lobes are configured to make contact with the vent during deployment of the vent such that the vent completely separates from a bottom of the electrochemical cell. The open space provided between adjacent lobes is configured to allow gases from inside the electrochemical cell to pass through during deployment of the vent. | 05-01-2014 |
20140127535 | ENERGY STORAGE ARRANGEMENT AND ENERGY STORAGE APPARATUS - The invention relates to an energy storage arrangement ( | 05-08-2014 |
20140127536 | LITHIUM-ION BATTERY HAVING HIGH VOLTAGE - The invention relates to a lithium ion battery comprising: (i) a positive electrode comprising at least a lithium transition metal phosphate having an olivine structure, wherein the transition metal selected is made of manganese, cobalt, nickel, or a mixture of two or three of said elements; (ii) a negative electrode; (iii) a separator that separates the positive and the negative electrode from one another and is permeable to lithium ions; wherein the separator comprises a mat made of non-woven, non-electrically conductive polymer fibres, which is coated with an ion-conducting inorganic material on one side or both sides; (iv) a non-aqueous electrolyte. | 05-08-2014 |
20140127537 | BATTERY CELL MODULE, METHOD FOR OPERATING A BATTERY CELL MODULE AND BATTERY AND MOTOR VEHICLE - A battery cell module includes a plurality of battery cells, which each have a ventilation opening. The battery cell module also includes a gas accommodation chamber which is assigned to a plurality of battery cells to at least temporarily accommodate gas which has escaped from said battery cells. The volume of the gas accommodation chamber is connected directly to the ventilation openings. | 05-08-2014 |
20140141290 | COMMUNITY ENERGY STORAGE SYSTEM - A community energy storage system comprises a cabinet, at least one battery bank mounted within the cabinet, the at least one battery bank comprising a plurality of battery modules electrically coupled to one another in series; and processing structure for monitoring at least one parameter of each of the battery modules, and in the event that the at least one parameter is outside of a threshold value, deactivating the at least one battery bank. | 05-22-2014 |
20140147709 | BATTERY SYSTEM AND METHOD FOR COOLING A BATTERY CELL ASSEMBLY - A battery system having first and second battery cells and a cooling fin disposed between the first and second battery cells is provided. The cooling fin receives heat energy from the first and second battery cells and transitions a two-phase refrigerant into a gaseous refrigerant within an internal flow path. The compressor pumps the gaseous refrigerant into a condenser. The condenser transitions the gaseous refrigerant into the liquid refrigerant by extracting heat energy from the gaseous refrigerant. | 05-29-2014 |
20140147710 | SEPARATOR FOR A LITHIUM ION BATTERY AS WELL AS A LITHIUM ION BATTERY CONTAINING THE SEPARATOR - Subject-matter of the invention is a separator for a lithium ion battery which separates the positive and the negative electrode of the lithium ion battery from one another and which is permeable to lithium ions, characterized in that the separator comprises at least one silica, preferably in the form of a xerogel, and at least one carbon component, as well as a lithium ion battery containing said separator. | 05-29-2014 |
20140154533 | ELECTROCHEMICAL CELL - An electrochemical cell comprises at least one negative electrode including at least one material which is capable of absorbing charge carrier; at least one positive electrode including at least one material capable of releasing charge carrier; at least one electrolyte capable of transporting charge carrier, between the electrodes; and at least one protective device that is substantially an integral part in at least one of the electrodes and comprises at least one enclosure, the at least one protective device being designed such that if a damaging influence damaging the electrochemical cell occurs, in particular heat, at least one stabilizing additive is released from inside the enclosure. | 06-05-2014 |
20140162091 | METHOD OF CONTROLLING STORAGE BATTERY, APPARATUS FOR CONTROLLING STORAGE BATTERY, AND ELECTRIC POWER CONTROL SYSTEM - A method of controlling a high-temperature storage battery connected to an electric power system, an apparatus for controlling the storage battery, and an electric power control system reside in that, when the temperature of the storage battery is equal to or lower than a reference temperature, charging and discharging the storage battery with charging and discharging electric power, which is the sum of charging and discharging electric power based on a preset process of operating the storage battery and charging and discharging electric power corresponding to charging and discharging cycles each of a continuous charging time of 1 hour or shorter and a continuous discharging time of 1 hour or shorter, for thereby supplying thermal energy to the storage battery. | 06-12-2014 |
20140170443 | Degradation Protection of Solid Alkali Ion Conductive Electrolyte Membrane - The present invention provides an electrochemical cell having an negative electrode compartment and a positive electrode compartment. A solid alkali ion conductive electrolyte membrane is positioned between the negative electrode compartment and the positive electrode compartment. A catholyte solution in the positive electrode compartment includes a halide ion or pseudohalide ion concentration greater than 3M, which provides degradation protection to the alkali ion conductive electrolyte membrane. The halide ion or pseudohalide ion is selected from chloride, bromide, iodide, azide, thiocyanate, and cyanide. In some embodiments, the electrochemical cell is a molten sodium rechargeable cell which functions at an operating temperature between about 100° C. and about 150° C. | 06-19-2014 |
20140186660 | MULTIFUNCTIONAL WEB FOR USE IN A LEAD-ACID BATTERY - The present invention relates to a multifunctional web for use in a lead-acid battery comprising natural fibres and heat-sealable fibres, the use of the multifunctional web in a lead-acid battery, a lead plate comprising a metal grid coated with a lead paste contacting the multifunctional web, a method of preparing the lead plate and a lead-acid battery assembly comprising the lead plate. | 07-03-2014 |
20140186661 | BATTERY MODULE AND METHOD FOR COOLING THE BATTERY MODULE - A battery module and a method for cooling the battery module are provided. The battery module includes a housing having an electrically non-conductive oil disposed therein, and a battery cell disposed in the housing that contacts the electrically non-conductive oil. The battery module further includes first and second heat conductive fins disposed in the housing that contacts the electrically non-conductive oil. The first and second heat conductive fins extract heat energy from the electrically non-conductive oil. The battery module further includes first and second conduits extending through the first and second heat conductive fins, respectively. The first and second conduits receive first and second portions of a fluid, respectively, therethrough and conduct heat energy from the first and second heat conductive fins, respectively, into the fluid to cool the battery cell. | 07-03-2014 |
20140199564 | FLOW BATTERY SYSTEM, AND CONTROL METHOD AND DEVICE THEREOF - Provided is a flow battery system and a control method and device thereof. The control method of the flow battery system includes: monitoring the temperature of the flow battery system; judging whether the temperature of the flow battery system exceeds a predefined temperature value range or not; and if the temperature of the flow battery system exceeds the predefined temperature value range, adjusting the temperature of the flow battery system to make same fall into the predefined temperature value range. The present disclosure enables the flow battery system to operate within the predefined temperature value range, thus enhancing the charging and discharging efficiency of the flow battery system. | 07-17-2014 |
20140205867 | APPARATUS AND METHOD FOR PROVIDING SAFETY MEASURES DURING GAS RELEASE FROM A VEHICLE BATTERY AND INSTALLATION SPACE FOR A VEHICLE BATTERY - An apparatus for providing safety measures during gas release from a vehicle battery, such as a damaged lithium-ion rechargeable battery, arranged in a volume space having an opening includes at least one shroud element. The shroud element is configured to expand into the volume space by being filled with a gas such that, upon expansion of the shroud element, openings in the shroud element are enlarged and shroud element contents are discharged into the volume space through the enlarged openings in the shroud element. The apparatus further includes a device that, upon reception of a trigger signal, is configured to fill the shroud element at least partially with carbon dioxide gas such that carbon dioxide gas is discharged into the volume space as contents of the shroud element. An installation space includes the apparatus and a method is implemented to provide safety measures during gas release from the vehicle battery. | 07-24-2014 |
20140220392 | Prussian Blue Analogue Anodes for Aqueous Electrolyte Batteries - A system and method producing electrodes in an aqueous electrolyte battery that maximizes energy storage, reduces electrochemical decomposition of the electrolyte, and uses Prussian Blue analogue materials for both electrodes, with an anode electrode including an electrochemically active hexacyanometalate group having two possible redox reactions of different potentials. These potentials may be tuned by substituting different electrochemically inactive components. | 08-07-2014 |
20140220393 | LITHIUM ION SECONDARY BATTERY - A battery using an active material that can function as a secondary battery has been developed by using the same material as active material of the positive electrode and the negative electrode, and a nonpolar secondary battery has been constructed. Because the terminal electrodes are not distinguished, there is no need to be aware of the mounting direction, so that the mounting process can be simplified. Also, because the positive layer and the negative layer do not need to be separately constructed, the battery manufacturing process can be simplified. Further, by connecting the nonpolar secondary batteries in series and modifying the connection of the lead-out electrodes extending from the points of connection, a battery with a different output voltage or a different battery capacity can be configured. | 08-07-2014 |
20140242421 | Systems and Methods for Control of a Current Interruption Component in a Battery System - Disclosed herein are systems and methods for control of a current interruption component in a battery system. Various embodiments consistent with the present disclosure may include a detection system configured to detect an event (e.g., an impact event, a resistive short, a coolant leak, etc.) and a control system configured to receive information from the detection system and to generate a control signal based upon detection of the event. The control signal may selectively actuate an electrical clearing component. A current interruption component may be configured to selectively interrupt a flow of current upon an occurrence of a condition that results from actuation of the electrical clearing component. Upon detection of the event by the detection system, the control system may generate the control signal to actuate the electrical clearing component, and the actuation of the electrical clearing component may trigger the current interruption system. | 08-28-2014 |
20140242422 | LI-ION BATTERY MONITOR - A Li-Ion monitor includes a combustible vapor sensor positioned in air flow communication with the exterior of a hermetically sealed Li-Ion battery cell to detect combustible vapor escaping therefrom. Detection of the vapor indicates that an overheat or fire situation may be impending. Where the Li-Ion battery cell is immersed in liquid, the combustible vapor sensor is in air flow communication with a surface of the liquid. Alternatively, or additionally, an electrolyte sensor can be immersed in or otherwise in fluid flow communication with the liquid to detect electrolyte escaping from the cell which electrolyte would, if exposed to air, become a combustible vapor. | 08-28-2014 |
20140242423 | ENCLOSURE FOR RECHARGEABLE BATTERIES - An apparatus comprises a rechargeable battery susceptible to thermal runaway, and a metal enclosure for the battery. The enclosure is configured to mitigate battery failure consequences resulting from thermal runaway | 08-28-2014 |
20140272478 | METHODS AND SYSTEMS FOR MITIGATING PRESSURE DIFFERENTIALS IN AN ENERGY STORAGE DEVICE - Apparatus and methods are provided for energy storage devices capable of mitigating the pressure differentials between adjacent bi-polar units using a pressure equalization valve at a projection from a substrate of a bi-polar unit, which prevents the pressure equalization valve from being submerged by free liquid in the unit. | 09-18-2014 |
20140272479 | Safety device for a lithium electrochemical generator battery - A safety device ( | 09-18-2014 |
20140272480 | CONDUCTOR FOR AN ELECTROCHEMICAL ENERGY STORE - A conductor is describing for an electrochemical energy store, including a base body, and at least one electrically conductive layer situated at least partially on the base body. The base body includes a non-electrically conductive material. In addition, an energy store is described which is equipped with the conductor, a method for manufacturing a conductor is described, and the use of the energy store equipped with the conductor in an electrical device is described. | 09-18-2014 |
20140272481 | High Amperage Batteries with Displacement Salt Electrodes - An electrochemical cell includes a negative electrode comprising a first active metal, a positive electrode comprising a second active metal, and an electrolyte comprising salts of the two active metals, a salt of the cathodic metal and a salt of the anodic metal. In operation, the electrolyte composition varies such that in a charging mode the salt of the anodic salt decreases, while the salt of the cathodic salt increases, and in a discharging mode the salt of the anodic salt increases, while the salt of the cathodic salt decreases. The cell is operational for both storing electrical energy and as a source of electrical energy as part of an uninterruptible power system. The cell is particularly suited to store electrical energy produced by an intermittent renewable energy source. | 09-18-2014 |
20140272482 | ELECTROLYTE PROTECTION COMPOSITIONS AND METHODS - A barrier on the surface of the negative electrolyte solution of a redox flow battery can decrease air oxidation of a charged species in the negative electrolyte solution and can decrease water loss from the negative electrolyte solution. A negative electrolyte tank including a barrier on the surface of the negative electrolyte can have many advantages, including simplified setup, low cost, and low maintenance. | 09-18-2014 |
20140287281 | POWER STORAGE DEVICE AND BATTERY TEMPERATURE REGULATING METHOD - A power storage device includes a case in which at least one unit cell is housed; a heat exchanger ( | 09-25-2014 |
20140295218 | METHOD OF DETECTING LITHIUM-ION CELL DAMAGE VIA VAPOR DETECTION - The present invention teaches providing a sensor capable of detecting organic vapors in close proximity to the li-ion battery, these organic vapors being reliable indicators of battery troubles before the battery troubles even manifest themselves. The sensor may initiate (actuate) various responses such as alarm indicators of various types, changing the mode of usage of the battery or even taking the battery off-line. The organic vapors may be any of a wide range of types as a degrading li-ion battery may emit any one of a wide range of different organic compounds. The invention may also be used with batteries immersed in fluids. Numerous types of li-ion battery may use the device, which is much faster than a post-failure smoke detection. | 10-02-2014 |
20140295219 | Materials for Battery Electrolytes and Methods for Use - Described herein are materials for use in electrolytes that provide a number of desirable characteristics when implemented within batteries, such as high stability during battery cycling up to high temperatures high voltages, high discharge capacity, high coulombic efficiency, and excellent retention of discharge capacity and coulombic efficiency over several cycles of charging and discharging. In some embodiments, a high voltage electrolyte includes a base electrolyte and a set of additive compounds, which impart these desirable performance characteristics. | 10-02-2014 |
20140302354 | Electrodes for Magnesium Energy Storage Devices - Nanostructured bismuth materials can be utilized as an insertion material in electrodes for magnesium energy storage devices to take advantage of short diffusion lengths for Mg | 10-09-2014 |
20140302355 | Method for Ascertaining Operating Parameters of a Battery, Battery Management System, and Battery - The disclosure relates to a method for ascertaining permissible operating parameters of a battery. For this purpose, operating parameters of the battery are measured, and further relevant operating parameters of the battery are determined from the measured operating parameters. Furthermore, at least one of the determined operating parameters is compared with a predefined comparison range. If the at least one operating parameter lies within the predefined comparison range, the permissible operating range of the at least one operating parameter is determined using a mathematical model of the battery. However, if the at least one battery parameter lies outside the predefined comparison range, the permissible operating range of the at least one operating parameter is determined using previously stored battery data. | 10-09-2014 |
20140308544 | COSOLVENT ELECTROLYTES FOR ELECTROCHEMICAL DEVICES - A system and method for stabilizing electrodes against dissolution and/or hydrolysis including use of cosolvents in liquid electrolyte batteries for three purposes: the extension of the calendar and cycle life time of electrodes that are partially soluble in liquid electrolytes, the purpose of limiting the rate of electrolysis of water into hydrogen and oxygen as a side reaction during battery operation, and for the purpose of cost reduction. | 10-16-2014 |
20140308545 | POWER STORAGE APPARATUS AND METHOD OF OPERATING POWER STORAGE APPARATUS - A battery chamber is formed inside a sealed container. A module battery and a charging/discharging path outside a battery are housed in the battery chamber. In the module battery, an electric cell chamber and an air chamber are formed inside a heat-insulating container. The electric cell chamber and the air chamber are divided by a heat transfer wall. An electric cell of a sodium-sulfur battery, and a charging/discharging path inside a battery are housed in the electric cell chamber. An intake path starts from outside of the sealed container and leads to the air chamber. An exhaust path starts from the air chamber and leads to the sealed container. The blower generates an air flow that sequentially flows through the intake path, the air chamber and the exhaust path. In a case where the cooling of the electric cell chamber is required, the air flow is generated. | 10-16-2014 |
20140308546 | BATTERY SYSTEM - A battery system having a battery, an overcurrent switch-off device in which a first current range with a maximum switchable current, and a second switch-off current range having a minimum switchable current. The maximum switchable current of the first current range and the minimum switchable current of the second current range lie above a maximum current of an operating current range, and the switchable current of the second switch-off current range is at least predominantly greater than the switchable current of the first switch-off current range. | 10-16-2014 |
20140315048 | BATTERY MODULE AND CONTROL METHOD THEREOF - A battery module including a battery pack including positive and negative electrodes, a first main relay and a second main relay electrically coupled to the positive and negative electrodes of the battery pack, and a master battery management system electrically coupled to the first main relay and the second main relay and configured to control the first main relay and the second main relay to be driven, wherein the master battery management system includes a memory configured to store stress variables of the first main relay and the second main relay, and the master battery management system is configured to control a turn-off order of the first main relay and the second main relay according to the stored stress variables of the first main relay and the second main relay. | 10-23-2014 |
20140315049 | ELECTROLYTE FLUID METERING DEVICE FOR LITHIUM CELLS - A battery system includes at least one lithium cell with an electrolyte having at least one polymer which is configured to be impregnated with an electrolyte fluid. In order to increase the capacity, the life and the safety of the battery system, the battery system further includes at least one electrolyte fluid metering device, by which at least one component of the electrolyte fluid can be supplied to the lithium cell and/or by which electrolyte fluid can be discharged from the lithium cell. | 10-23-2014 |
20140322563 | BATTERY SYSTEM AND METHOD FOR COOLING THE BATTERY SYSTEM - A battery system having a cooling plate with a conduit therein is provided. The system further includes a battery module having first and second battery cells. The system further includes a compressor, and a condenser coupled between the compressor and the conduit of the cooling plate. The system further includes a microprocessor that determines a maximum temperature level of the first and second battery cells, and determines a target temperature level for the cooling plate based on the maximum temperature level. The microprocessor determines a temperature error value based on a difference between a temperature level and the target temperature level of the cooling plate, and determines a desired RPM value for the compressor based on the temperature error value. | 10-30-2014 |
20140322564 | BATTERY WITH INERT ELECTRODES AND METHOD FOR GENERATING ELECTRICAL POWER USING THE SAME - A battery includes: a container; an electrolyte received in the container; and first and second electrodes disposed in the electrolyte and having different electrical potentials upon exposure to the electrolyte. | 10-30-2014 |
20140329114 | System And Process For Maintaining Of Working Temperature Of Battery Cells For Starter Accumulators In Vehicles - A battery management system to maintain cell temperature in automobile starter batteries, containing lithium-ion; lithium-iron-phosphate battery cells mutually connected in series and parallel. Cell temperature management and measurement, and voltage measurement of each individual battery cell and for cell heating management units have a temperature sensor mounted directly on one of the cells. A predefined upper temperature value t | 11-06-2014 |
20140335381 | Active Thermal Management and Thermal Runaway Prevention for High Energy Density Lithium Ion Battery Packs - The present disclosure provides a system, method, and apparatus for battery thermal management. In one or more embodiments, the disclosed method involves sensing, with at least one temperature sensor, a temperature of at least one battery cell, where at least one battery cell is at least partially submerged within a liquid contained within a battery case. The method further involves comparing the temperature of at least one battery cell with a maximum threshold temperature, and commanding a cooling unit to be activated when at least one processor determines that the temperature of at least one battery cell is above the maximum threshold temperature. Further, the method involves circulating, by at least one pump, the liquid via tubing from the battery case to the cooling unit back to the battery case. | 11-13-2014 |
20140335382 | THERMAL INTERFACE COMPOSITE MATERIAL AND METHOD - A composite thermal interface material and methods are shown. Devices such as lithium ion batteries incorporating composite thermal interface materials show significant improvement in cooling performance. In one example, composite thermal interface materials shown provide cooling through both a phase change mechanism, and a heat conducting mechanism which directs heat away from the device to be cooled, such as electrochemical cells in a battery, to an external housing and/or a coupled heat exchange device such as radiating fins. | 11-13-2014 |
20140335383 | METHOD AND DEVICE FOR EXTENDING THE LIFETIME OF A BATTERY IN PARTICULAR OF A VEHICLE - A method includes coupling two conducting rods between terminals of a battery cell of a battery having several branches coupled in parallel, each branch having several battery cells coupled in series. A force tending to squeeze the rods against each other is applied, with the rods being held apart from each other using an insulating block. At least one operating state signal of the cell is monitored, and the insulating block is removed based on the monitoring, allowing the rods to come into electrical contact and short-circuit the battery cell. | 11-13-2014 |
20140335384 | BATTERY, MOTOR VEHICLE AND METHOD FOR OPERATING THE BATTERY - A battery includes a battery cell, and an electrode of the battery cell is connected to the battery cell housing in an electrically conducting manner by a switching element. The battery also includes a monitoring circuit, which is configured to respond to detection of an interference signal by opening the switching element. The switching element is closed during operation without interference. | 11-13-2014 |
20140342193 | SMART BATTERY SYSTEM - Apparatus, systems, and methods for monitoring one or more batteries are disclosed. One such apparatus may include a battery management device. The battery management device may include a sensor configured to detect a characteristic of a battery, a processor communicatively connected with the sensor to receive a signal indicative of the characteristic of the battery, a network interface to send the signal to a server through a network and to receive an instruction from the server through the network, and a control circuit to control one or more aspects of the battery based on the received instruction. | 11-20-2014 |
20140342194 | RECHARGEABLE BATTERY WITH MULTIPLE RESISTANCE LEVELS - A rechargeable battery that features two or more levels of internal resistance according to various temperature ranges is disclosed. | 11-20-2014 |
20140342195 | FLUID-COOLED BATTERY MODULE CONTAINING BATTERY CELLS - A battery module for receiving battery cells provides cooling through a cooling fluid. Chilled fluid travels first to the hottest part of the battery module and then continues to gradually less hot areas. As the chilled cooling fluid absorbs heat and travels to cooler parts of the battery module, the heat transfer between the fluid and the battery cells decreases because the temperature differential between the cells and cooling fluid decreases, providing a more even temperature distribution across the battery module. The cooling fluid may be contained in a conduit associated with one or more cooling plates. A plurality of slots provide a precise mechanical support for each battery cell, increasing the heat conduction from the cell to the battery module, protecting the battery module from vibration and decreasing contamination in case of thermal runaway or other damage to the cells. | 11-20-2014 |
20140342196 | Device for Making Rapid Connections and Disconnections Between High Voltage Battery Modules and Other Motor Vehicle Systems - A battery module for a vehicle comprises a first portion adapted to be mounted to a vehicle and a second portion mounted to a battery box. A first pair of high voltage electrical connectors is mounted to the first portion and a second pair of high voltage electrical connectors are mounted to the second portion. The first pair of high voltage electrical connectors are configured to mate with the second pair of high voltage electrical connectors. Additionally, a first general electrical connector is mounted to the first portion of the battery box and a second general electrical connector is mounted to the second portion of the battery box. The first general electrical connector is configured to mate with the second general electrical connector. | 11-20-2014 |
20140349145 | FAST THERMAL DUMPING FOR BATTERIES - A cooling system includes a fluid delivery system configured to bring a working liquid (such as water) into thermal contact with a battery where it vaporizes into an exhaust gas, and an exhaust system configured to vent the exhaust gas. | 11-27-2014 |
20140349146 | BATTERY HAVING A PLURALITY OF ACCUMULATOR CELLS AND METHOD FOR OPERATING SAME - A battery ( | 11-27-2014 |
20140356652 | BATTERY THERMAL MANAGEMENT SYSTEM FOR ELECTRIFIED VEHICLE - A battery module according to an exemplary aspect of the present disclosure includes, among other things, a battery cell, a plate adjacent to the battery cell and a heat pipe attached to the plate and containing a first heat transfer medium. A manifold is connected to the heat pipe and configured to receive a second heat transfer medium that exchanges heat with the first heat transfer medium. | 12-04-2014 |
20140356653 | METHOD AND DEVICE FOR INCREASING SAFETY WHEN USING BATTERY SYSTEMS AND BURSTING DISCS - Method for increasing safety when using bursting discs (BV), wherein the bursting disc (BV) is suitable for releasing gas in a controlled manner from battery systems (B), wherein a signal, in particular a warning signal, is generated in dependence upon the spatial change at least of one site on the surface of the bursting disc (BV). | 12-04-2014 |
20140356654 | HYBRID MOLTEN/SOLID SODIUM ANODE FOR ROOM/INTERMEDIATE TEMPERATURE ELECTRIC VEHICLE BATTERY - A hybrid battery with a sodium anode is designed for use at a range of temperatures where the sodium is solid and where the sodium is molten. When the battery is at colder temperatures or when the vehicle is idle and needs to be “started,” the anode will be solid sodium metal. At the same time, the battery is designed such that, once the electric vehicle has been “started” and operated for a short period of time, heat is directed to the battery to melt the solid sodium anode into a molten form. In other words, the hybrid battery operates under temperature conditions where the sodium is solid and under temperature conditions where the sodium is molten. | 12-04-2014 |
20140363705 | Lithium Ion Battery Cell having a Capacitance Sensor and Method for Monitoring the Condition of a Lithium Ion Battery Cell of this Type - A lithium ion battery cell includes a graphite cathode, and an excess pressure valve. The excess pressure valve is configured to open in the presence of a predetermined battery cell internal pressure and discharging gases that have been produced inside the battery cell. Such gases are discharged together with graphite particles entrained in the gas. The battery cell further includes a capacitance sensor that has at least one capacitor positioned in the battery cell and configured such that the graphite particles that are entrained in the gas that is being discharged deposit themselves at least in part in a gap that is located between two electrodes of the capacitor and cause a change in the dielectric value in the gap. The change in the dielectric value causes a change in a capacitance of the capacitor. | 12-11-2014 |
20140363706 | Method for Providing Electrical Potential from a Sodium-Based Secondary Cell - The present invention provides a method for providing electrical potential from a solid-state sodium-based secondary cell (or rechargeable battery). A secondary cell is provided that includes a solid sodium metal negative electrode that is disposed in a non-aqueous negative electrolyte solution that includes an ionic liquid. Additionally, the cell comprises a positive electrode that is disposed in a positive electrolyte solution. In order to separate the negative electrode and the negative electrolyte solution from the positive electrolyte solution, the cell includes a sodium ion conductive electrolyte membrane. The cell is maintained and operated at a temperature below the melting point of the negative electrode and is connected to an external circuit. | 12-11-2014 |
20140370333 | APPARATUS AND METHOD FOR CONTROLLING COOLING OF BATTERY OF ENVIRONMENT-FRIENDLY VEHICLE - An apparatus and a method for controlling cooling of a battery of an environment-friendly vehicle which transmits only a control condition from a BMS to a motor controller for cooling is provided. In particular, a cooling fan motor controller and the battery management system (BMS) are connected through a controller area network (CAN) communication, and a backup controller to which a backup power is supplied operates the cooling fan motor controller, when CAN communication is abnormal, to instruct a control condition for a cooling fan motor controller. As such, a stable control for a cooling fan motor for cooling the battery is provided. | 12-18-2014 |
20140370334 | Apparatus and Method for Long Life Water Cells - An apparatus and method for long life water cells are disclosed. The cells include two electrodes—an anode and a cathode separated by an absorbent material for connectivity such as cloth, sponge and/or absorbent coatings. The anode and cathode are cylindrically shaped and may be nested or stacked inside one another with the absorbent material positioned between them. A protective sealant coating made of epoxy, paint or glue deposited on the exterior surface of one or both of the electrodes is used to protect the electrodes and minimize oxidation to preserve and lengthen the life of the cell. Multiple cells may be connected in series to increase voltage and amperage. | 12-18-2014 |
20140377598 | BATTERY COMPRISING A BATTERY CELL WITH AN EXTERNAL AND AN INTEGRATED TEMPERATURE SENSOR, AND A METHOD FOR OPERATING SAID BATTERY - A battery includes at least one battery cell that has a housing with an electrode arrangement arranged therein. A first temperature sensor is arranged outside the battery cell housing, and a second temperature sensor is arranged inside the battery cell housing. The temperature dynamic of the second temperature sensor is higher than the temperature dynamic of the first temperature sensor. A motor vehicle includes the battery cell. | 12-25-2014 |
20150010788 | Carbon Nanotubes - Graphene Hybrid Structures for Separator Free Silicon - Sulfur Batteries - Provided herein are electrochemical systems and related methods of making and using electrochemical systems. Electrochemical systems of the invention implement novel cell geometries and composite carbon nanomaterials based design strategies useful for achieving enhanced electrical power source performance, particularly high specific energies, useful discharge rate capabilities and good cycle life. Electrochemical systems of the invention are versatile and include secondary lithium ion cells, such as silicon-sulfur lithium ion batteries, useful for a range of important applications including use in portable electronic devices. Electrochemical cells of the present invention also exhibit enhanced safety and stability relative to conventional state of the art lithium ion secondary batteries by using prelithiated active materials to eliminate the use of metallic lithium and incorporating carbon nanotube and/or graphene, composite electrode structures to manage residual stress and mechanical strain arising from expansion and contraction of active materials during charge and discharge. | 01-08-2015 |
20150010789 | Battery Module, Power Supply Apparatus Comprising Battery Module, and Method for Managing Temperature of Battery Module - According to one embodiment, a battery module comprises a secondary battery, a heat storage pack, and a nucleation mechanism. The heat storage pack comprises a heat storage material that exchanges heat with the secondary battery. The heat storage material is able to be set to a supercooled state. The heat storage pack is arranged in contact with the secondary battery. The nucleation mechanism nucleates the heat storage material in the supercooled state. | 01-08-2015 |
20150010790 | BATTERY SENSOR DATA TRANSMISSION UNIT AND A METHOD FOR TRANSMITTING BATTERY SENSOR DATA - A battery sensor data transmission unit is described as including a data transmission unit, which is designed to output a sensor signal, which represents a physical variable in or at the battery cell to an evaluation device, using a battery housing wall and/or a wall of a battery cell as the transmission medium. | 01-08-2015 |
20150010791 | BATTERY PACK AND METHOD FOR CONTROLLING CHARGE OF BATTERY PACK - A battery pack according to the present disclosure includes a battery cell including at least one unit cell, a first connector which is electrically connected to the battery cell, and a second connector which is electrically connected to the battery cell and the first connector, the second connector having a corresponding shape to the first connector to be coupled with the first connector. | 01-08-2015 |
20150024240 | EXCHANGEABLE ENERGY STORAGE DEVICE - The invention relates to an energy storage device ( | 01-22-2015 |
20150030891 | Alkaline Battery Operational Methodology - Methods of using specific operational charge and discharge parameters to extend the life of alkaline batteries are disclosed. The methods can be used with any commercial primary or secondary alkaline battery, as well as with newer alkaline battery designs, including batteries with flowing electrolyte. The methods include cycling batteries within a narrow operating voltage window, with minimum and maximum cut-off voltages that are set based on battery characteristics and environmental conditions. The narrow voltage window decreases available capacity but allows the batteries to be cycled for hundreds or thousands of times. | 01-29-2015 |
20150037622 | LOAD-MANAGED ELECTROCHEMICAL ENERGY GENERATION SYSTEM - Described embodiments include a system and a method. A system includes a controllable electrochemical cell configured to output electric power. The controllable cell includes an electrolyte and a first working electrode configured to transfer electrons to or from the electrolyte. The controllable cell includes a second working electrode configured to transfer electrons to or from the electrolyte. The controllable cell includes a gating electrode spaced-apart from the second working electrode. The gating electrode is configured, if biased relative to the second working electrode, to modify an electric charge, field, or potential in the space between the electrolyte and the second working electrode. The controllable cell includes a control circuit coupled to the gating electrode of the controllable cell and configured to apply a biasing signal responsive to an electrical property of an external electrical load coupled to the controllable cell. | 02-05-2015 |
20150037623 | MANAGED ACCESS ELECTROCHEMICAL ENERGY GENERATION SYSTEM - Described embodiments include a system and a method. A system includes a controllable electrochemical cell configured to output pulsed electric power. The controllable cell includes an electrolyte, and a first working electrode configured to transfer electrons to or from the electrolyte. The system includes a second working electrode configured to transfer electrons to or from the electrolyte. The system includes a gating electrode spaced-apart from the second working electrode and configured if biased relative to the second working electrode to modify an electric charge, field, or potential in the space between the electrolyte and the second working electrode. The system includes a control circuit configured to establish a nonlinear voltage-current property of the controllable cell in response to an externally originated trigger signal. | 02-05-2015 |
20150037624 | System and Method of Cell Block Voltage Analytics to Improve Balancing Effectiveness and Identify Self-discharge Rate - A battery management unit includes a cell balancing module to perform cell balancing between a cells in a battery cell stack, and a controller operable to determine, during a first charge cycle, that the first cell has reached an over-voltage threshold before the second cell, to determine, during a discharge cycle, that the first cell has reached an under-voltage threshold before the second cell, to identify the first cell as having a lower capacity than the second cell based upon the determination that the first cell reached the over-voltage threshold before the second cell and upon the determination that the first cell reached the under-voltage threshold before the second cell, and to prevent, during another charge cycle, the cell balancing module from performing cell balancing on the first cell based upon the first cell being identified as having the lower capacity than the second cell. | 02-05-2015 |
20150037625 | REMOVABLE BATTERY FIXING ASSEMBLY OF ELECTRIC VEHICLE AND FIXING METHOD THEREOF - A removable battery fixing assembly of an electric vehicle includes a removable battery module and a fixing device installed in the electric vehicle. The removable battery module has a main body with first and second side surfaces. A guiding bar is disposed on the first side surface. The fixing device includes a base, a driving part, a main transmission part, a guiding part, a first stopping part, and a second stopping part. When installing the removable battery module, the guiding bar is aligned with and moved along the guiding part. When moving the removable battery module to a specified position, the driving part drives the main transmission part horizontally, so that the first stopping part is correspondingly rotated to urge against an end part of the guiding bar. Meanwhile, the plural connection elements correspondingly drive the second stopping part to lock the second side surface of the removable battery module. | 02-05-2015 |
20150044519 | BATTERY PACK THERMAL MANAGEMENT SYSTEM - A battery pack may include a cell housing configured to retain a plurality of battery cells, and a plurality of cell reception slots within the cell housing to receive respective ones of the battery cells. The cell reception slots may be configured within the cell housing to define at least one fluid flow channel extending substantially in a first direction through the cell housing. The fluid flow channel may be defined at least partially by a rib connecting at least two adjacent cell reception slots to enable thermal transfer from cells disposed in the at least two adjacent cell reception slots responsive to movement of a fluid through the fluid flow channel and to inhibit a crossflow of fluid between the at least two adjacent cell reception slots in a direction other than the first direction. | 02-12-2015 |
20150044520 | Method for Heating Energy Storage Cells of an Energy Storage System, and Heatable Energy Storage System - A method for heating energy storage cells of an energy storage system configured to generate an n-phase supply voltage. The energy storage system including n energy supply branches connected in parallel. Each energy supply branch coupled between an output connection and an equipotential frame, and each of the energy supply branches including a plurality of series-connected energy storage modules. Each energy storage module including an energy storage cell module having at least one energy storage cell and a coupling device having coupling elements configured to selectively connect or bridge the energy storage cell module in a respective energy supply branch. The method includes connecting the output connections of the energy storage system to input connections of an n-phase electrical machine, and coupling the output connections via a neutral point of the electrical machine. | 02-12-2015 |
20150044521 | BATTERY CELL WITH DISCRETION TO DRIVE LOADS WITHIN BATTERY STACK - Embodiments of the present invention are directed to improved battery packaging designs. The battery pack design may include a battery cell, a plurality of transistors, and a controller. The transistors may be coupled to the terminals of the battery cell in an H-bridge configuration. The controller may control the transistors to bypass the battery cell based on the current flowing between the output terminals of the battery pack. In such a manner, the controller may prevent damage to the battery cell and improve the overall safety of the battery pack in hazardous conditions. Moreover, the design may allow for more efficient charging/discharging of the cells that are most ready to accept/supply current. | 02-12-2015 |
20150044522 | BATTERY STACK WITH LEAPFROGGING PROTOCOL - Embodiments of the present invention are directed to a battery stack with a leapfrogging communication network. Each cell stage may include a controller, a transmitter, and a pair of receivers. The cell stage in the battery stack may be coupled to the closest two preceding battery cell stages in the stack. In this manner, each cell stage may be able to determine if a fault is present in an immediately preceding cell stage in the stack by monitoring the first preceding cell stage and the second preceding cell stage. If discharge/charge commands transmitted by the second preceding cell stage are not reaching the battery cell stage at issue, the controller may determine that there is a fault in the first preceding cell stage and discharge/charge the cell stage based on the commands transmitted by the second preceding cell stage. | 02-12-2015 |
20150044523 | COOLING PLATE FOR LITHIUM-ION BATTERY PACK - A cooling plate for a battery pack with a plurality of battery cells is provided. The cooling plate includes a cooling fin with a substantially planar surface and a perimeter. The cooling plate includes a frame abutting the cooling fin and forming a seal with the cooling fin adjacent the perimeter of the same. The frame and the cooling fin define at least one fluid inlet, at least one fluid outlet, and a flow channel therebetween. The at least one fluid inlet and the at least one fluid outlet are disposed through the seal and are in fluid communication with the flow channel. The flow channel is disposed adjacent the perimeter and in heat transfer communication with the substantially planar surface of the cooling fin. A battery pack with the cooling plate, and a method for controlling a temperature of the battery pack, are also provided. | 02-12-2015 |
20150050529 | Elevated Temperature Li/Metal Battery System - In accordance with one embodiment an electrochemical cell system includes a housing, at least one electrochemical cell within the housing and including an anode including a form of lithium, and an ionic liquid electrolyte within a cathode, the cathode separated from the anode by a solid separator impervious to the ionic liquid electrolyte, a temperature sensor within the housing, and an environmental controller at least partially positioned within the housing and configured to maintain a temperature within the housing at least 50° C. above ambient based upon input from the temperature sensor. | 02-19-2015 |
20150056478 | LITHIUM-ION SECONDARY BATTERY SYSTEM, INSPECTION METHOD FOR LITHIUM-ION SECONDARY BATTERY, AND CONTROL METHOD FOR LITHIUM-ION SECONDARY BATTERY - Provided is a secondary battery system adapted to immediately detect that a lithium-ion secondary battery has entered a region in which the battery deteriorates in accordance with the t-law. The lithium-ion secondary battery system includes: a lithium-ion secondary battery; an acoustic emission (AE) sensor that detects an AE signal occurred in the lithium-ion secondary battery; an AE signal detector that detects the AE signal sent from the AE sensor; and a controller to which a signal from the AE signal detector is input. When a count of AE events which occur in a low-voltage region of one charge/discharge cycle of the lithium-ion secondary battery equals or exceeds a threshold value, the controller outputs a signal denoting a start of the deterioration of the lithium-ion secondary battery. | 02-26-2015 |
20150056479 | method for connecting battery cells in a battery, battery, and monitoring device - A method for connecting battery cells in a battery is provided, the battery including at least one measuring battery cell and at least one standard battery cell in a series connection, the standard battery cell having at least a nominal capacity which is greater than a nominal capacity threshold, the measuring battery cell having a nominal capacity which is less than the nominal capacity threshold, the measuring battery cell having a switchable bypass, the method including: monitoring a state of charge of the at least one measuring battery cell; and bypassing the at least one measuring battery cell using the switchable bypass if the state of charge of the at least one measuring battery cell drops below a predefined state of charge threshold. | 02-26-2015 |
20150056480 | METHODS FOR DENDRITE DETECTION AND BATTERIES CONTAINING DENDRITE SENSORS - Formation of metallic dendrites within a battery can lead to catastrophic batten failure in some instances. Methods for monitoring for the presence of metallic dendrites within a battery can include measuring the electric field within the battery's separator material over a period of time. Batteries containing an electric field sensor on or in their separator material can be fabricated and their operation regulated in the event of dendrite formation. The electric field sensor is configured to detect an electric field in the separator material. | 02-26-2015 |
20150064510 | Battery Power Capability Estimation at Vehicle Start - A vehicle is disclosed comprising a battery and a controller. Projected battery impedance parameters are calculated based on predetermined parameter values and historical parameter values generated by a battery parameter estimation model. The values may be weighted according to time data associated with the historical impedance parameter values and a temperature of the battery. Recent historical impedance parameter values may affect the projected battery impedance parameter values more than older historical impedance parameter values. The model is initialized with projected parameter values at vehicle initialization. Battery power capability is calculated using the projected parameter values for a period of time following vehicle initialization. After the period of time following vehicle initialization, battery power capability is calculated using impedance parameters generated by the model. The period of time following vehicle initialization may end when the model output has converged to a stable solution. | 03-05-2015 |
20150064511 | THERMAL MANAGEMENT FOR HIGH-CAPACITY LARGE FORMAT LI-ION BATTERIES - A lithium ion battery includes a cathode in electrical and thermal connection with a cathode current collector. The cathode current collector has an electrode tab. A separator is provided. An anode is in electrical and thermal connection with an anode current collector. The anode current collector has an electrode tab. At least one of the cathode current collector and the anode current collector comprises a thermal tab for heat transfer with the at least one current collector. The thermal tab is separated from the electrode tab. A method of operating a battery is also disclosed. | 03-05-2015 |
20150064512 | Management of Gas Pressure and Electrode State of Charge in Alkaline Batteries - An inventive, new system that measures gas composition and pressure in the headspace of an aqueous electrolyte battery is described. The system includes a microcontroller that can use the composition and pressure information to connect a third electrode to either the anode(s) or the cathode(s) in order to balance the state of charge between the two. Results have shown that such a system can control the gas pressure inside a sealed flooded aqueous electrolyte battery to remain below 20 kPa (3 psi) and greatly extend the useable life of the battery. | 03-05-2015 |
20150064513 | Method for Activating a Plurality of Monitoring Units for a Battery, Battery and Motor Vehicle having said Battery - A battery comprises a plurality of battery modules, a plurality of monitoring units with a respective monitoring unit connected to a battery module, a battery control unit, and a first communication network to which the monitoring units are connected. The first communication network is configured to transmit data from or to the battery control unit. Furthermore, the battery comprises a second communication network configured to transmit an activation signal for activating a monitoring unit to a further monitoring unit. | 03-05-2015 |
20150072182 | BATTERY WRAP - The invention described herein generally pertains to batteries for a welding operation having insulating structure thereabout. Particularly, various welding batteries can be provided one one or more battery wraps that can be opened or closed to increase or decrease the insulating effect thereof. In some embodiments, battery wraps can be integrated with batteries used in hybrid welders. | 03-12-2015 |
20150086814 | METHOD FOR EFFECTING A SLEEP MODE OF A CELL SUPERVISION CIRCUIT OF A LITHIUM-ION RECHARGEABLE BATTERY AND LITHIUM-ION RECHARGEABLE BATTERY - Effecting a sleep mode of a cell supervision circuit of a rechargeable battery, in which the cell supervision circuit is not in the sleep mode after at least one sleep command sent to the cell supervision circuit, and in which a command for a software reset of the cell supervision circuit is sent to the cell supervision circuit after confirmation of the sleep mode is absent. | 03-26-2015 |
20150086815 | METHOD FOR CHECKING A SLEEP MODE OF A CELL SUPERVISION CIRCUIT AND LITHIUM-ION RECHARGEABLE BATTERY - Checking a sleep mode of a cell supervision circuit of a lithium-ion rechargeable battery having at least one electrochemical cell, while a sleep mode is set by a control device of the rechargeable battery for the cell supervision circuit, wherein, according to the method, the sending of a sleep command of the control device to the cell supervision circuit is connected to a confirmation request to the cell supervision circuit, and, in the event of non-receipt of a confirmation from the cell supervision circuit, the control device sends the sleep command and/or the confirmation request again after a time interval. | 03-26-2015 |
20150093605 | ZINC ELECTRODE FOR USE IN RECHARGEABLE BATTERIES - The present invention relates to zinc electrode and to methods of producing zinc electrode and particularly to a method of producing zinc electrode providing dimensional/geometrical stability during a battery charge/discharge operation. The invention provides methods of use of batteries comprising the zinc electrode of this invention. Applications of batteries of this invention include electric vehicles, portable electronics and drones. | 04-02-2015 |
20150093606 | PUMP-FREE LITHIUM ION LIQUID FLOW BATTERY, BATTERY REACTOR AND PREPARATION METHOD OF ELECTRODE SUSPENSION SOLUTION - A Pump-free lithium ion liquid flow battery, battery reactor and preparation method of electrode suspension solution. The Pump-free lithium ion liquid flow battery includes a positive electrode liquid preparation tank ( | 04-02-2015 |
20150104680 | SYSTEM AND METHOD FOR OPERATING A BATTERY PACK - Systems and methods for operating a battery pack supplying power to propel a vehicle are disclosed. One example method comprises, determining a difference between an estimated battery pack temperature and a sensed battery pack temperature as a basis for adjusting battery pack output power. The method also includes adjusting a speed of a cooling fan based on the difference between estimated battery pack temperature and sensed battery pack temperature. | 04-16-2015 |
20150104681 | OHMICALLY MODULATED BATTERY - A rechargeable battery whose ohmic resistance is modulated according to temperature is disclosed. | 04-16-2015 |
20150104682 | POWER SYSTEM OF ELECTRIC VEHICLE, ELECTRIC VEHICLE COMPRISING THE SAME AND METHOD FOR HEATING BATTERY GROUP OF ELECTRIC VEHICLE - A power system of an electric vehicle, an electric vehicle including the same, and a method for heating a battery group of the electric vehicle are provided. The power system includes: a battery group; a battery heater connected with the battery group; a battery management device, configured to control the battery heater to heat the battery group when a temperature of the battery group is lower than a first heating threshold and a residual electric quantity of the battery group is larger than a running electric quantity threshold, to obtain a current throttle depth change rate of an electric vehicle in real time, and to control the battery heater to stop heating the battery group when the current throttle depth change rate reaches a preset throttle depth change rate threshold; an electric distribution box; a motor; a motor controller; and an isolation inductor. | 04-16-2015 |
20150111071 | ELECTRIC VEHICLE BATTERY CURRENT COMMUNICATION DEVICE - An example electric vehicle battery current communication device includes a terminal landing and a transition from the terminal landing having an area that is both bent and tapered. | 04-23-2015 |
20150118523 | Adaptive Current-Collector Electrochemical System - An Adaptive Current-collector Electrochemical (ACE) system utilizes an array of contact pads and associated current control transistors to control localized current generation in discrete regions of a battery. Each contact pad is formed on a battery electrode (anode or cathode) and coupled to an associated discrete battery region, and is connected by an associated transistor to a current collection plate. Sensors are used to monitor operating parameters (e.g., localized current flow and operating temperature) of each discrete battery region, and a control circuit uses the sensor data to control the operating state of the transistors, whereby localized current flow through each transistor is increased, decreased or turned off according to measured local operating parameters. The control circuit utilizes local control circuits that process local sensor data using “stand-alone” control logic, or a central controller that processes all sensor data and coordinates transistor operations. | 04-30-2015 |
20150118524 | METHOD FOR REMOVING GAS GENERATED IN LITHIUM SECONDARY BATTERY - The present disclosure provides a method for removing gases generated in a lithium secondary battery using a cathode active material of the following formula (I) | 04-30-2015 |
20150125719 | POWER STORAGE DEVICE AND METHOD FOR RADIATING HEAT IN POWER STORAGE DEVICE - [Problem] The object is to provide a power storage device and a method for radiating heat in a power storage body that can suppress temperature change in the power storage body even when the power storage body expands. | 05-07-2015 |
20150132614 | SENSOR ARRANGEMENT, ENERGY SYSTEM AND METHOD - A sensor arrangement according to an embodiment comprises a transmitter to be arranged inside a battery cell and to transmit a signal based on at least one sensed operational parameter of the battery cell wirelessly. | 05-14-2015 |
20150132615 | BATTERY PACK, APPARATUS INCLUDING BATTERY PACK, AND METHOD OF MANAGING BATTERY PACK - A battery pack includes a battery module, a plurality of temperature sensors, a temperature data generating unit, and a control unit. The battery module has a plurality of battery cells. The temperature data generating unit detects battery temperatures from the temperature sensors and generates battery temperature data including temperature values corresponding to the battery temperatures. The control unit determines whether or not the temperature sensors are defective based on the battery temperature data, and controls the battery module based on temperature values corresponding to temperature sensors determined not to be defective. | 05-14-2015 |
20150132616 | METHOD AND DEVICE FOR TRIGGERING AT LEAST ONE SAFETY FUNCTION IN THE EVENT OF A STATE OF AN ELECTROCHEMICAL STORE THAT IS CRITICAL WITH REGARD TO SAFETY, AND ELECTROCHEMICAL ENERGY STORAGE SYSTEM - A method for triggering at least one safety function in the event of a safety-critical state of an electrochemical energy store includes: detecting the safety-critical state of the electrochemical energy store using a sensor signal which represents at least one detected state variable of the electrochemical energy store; generating a safety function signal based on the detected safety-critical state of the electrochemical energy store; and triggering the at least one safety function based on the safety function signal. | 05-14-2015 |
20150140366 | VEHICLE BATTERY PACK, A SYSTEM FOR COOLING A BATTERY PACK AND A COOLING PLATE FOR USE IN THE SYSTEM - A system for controlling the temperature of a rechargeable electric battery pack for a vehicle. The battery pack comprises a plurality of rechargeable electrochemical storage cells disposed in rows of one or more cells each. The system comprises two heat exchanger plates for each of said rows of one or more cells. Each heat exchanger plate may be structured and arranged to allow heat transfer fluid to flow internally thereof and a first of two heat exchanger plates for one of said rows is configured and arranged to allow heat transfer fluid to flow in a first general direction. A second of the two heat exchanger plates for said row is configured and arranged to allow heat transfer fluid to flow in a second general direction. And the first and second general directions are substantially different to one another. | 05-21-2015 |
20150140367 | BATTERY MODULE - According to one embodiment, a battery module includes, battery cells including an electrode group including an anode, a cathode, and a separator interposed between the anode and the cathode, a terminal electrically connected to the electrode group, and a packaging member which contains the electrode group and through which the terminal is extracted outside from inside a container portion, a bus bar configured to electrically connect the terminals of the battery cells, a heat storage unit containing a latent heat storage material, and an electric insulating sheet configured to thermally connect the bus bar and the heat storage unit. | 05-21-2015 |
20150147602 | METHODS OF INERTING LITHIUM-CONTAINING BATTERIES AND ASSOCIATED CONTAINERS - The present disclosure is related to articles (e.g., containers, battery packs, etc.) including a lithium material (e.g., one or more lithium-containing batteries) housed therein. The articles include sulfur hexafluoride located within an interior compartment of the article to provide an inert atmosphere within the interior compartment. The present disclosure is also related to methods of inerting such articles (e.g., containers, battery packs, etc.) with sulfur hexafluoride. Additionally, the present disclosure is related to conveyed (e.g., pumped, blown, etc.) looped cooling apparatuses and systems. | 05-28-2015 |
20150147603 | APPARATUS AND METHOD FOR CONTROLLING BATTERY - An apparatus and method for controlling a battery are provided. The apparatus includes a battery pack and a battery management system (BMS). The BMS is configured to calculate a battery state by sensing the battery pack and perform a selective control to select a control object of a unit element of the battery pack or an intensive control to intensively use the control object of the unit element using the battery state. | 05-28-2015 |
20150147604 | METHOD FOR REDUCING THE DENDRITIC METAL DEPOSITION ON AN ELECTRODE AND LITHIUM-ION RECHARGEABLE BATTERY WHICH USES THIS METHOD - In a method for reducing the dendritic metal deposition on an electrode, a non-dendritic state of the metal deposition is ascertained, and a magnetic or electric field is generated at the electrode and is modulated in such a way that it stabilizes the non-dendritic state of the metal deposition. The method is applied, e.g., to a lithium-ion rechargeable battery including an anode having an anode arrester, a cathode having a cathode arrester, and a separator, which are situated in a housing, in which a dendritic metal deposition at the anode is reduced with the aid of the method. | 05-28-2015 |
20150291054 | Traction Battery Air Thermal Management Control System - A vehicle traction battery system may include a battery pack, a fan configured to direct air flow to the pack, and a controller. The controller may be programmed to, in response to a predicted pack temperature being greater than a first predefined temperature, direct the fan to operate at a predefined generally constant speed that does not change with vehicle speed or engine on/off state until the predicted battery pack temperature falls below a second predefined temperature. A method is also provided for cooling the vehicle traction battery system based on a predicted battery pack temperature and a heat generation rate. | 10-15-2015 |
20150291055 | BATTERY TEMPERATURE ESTIMATION SYSTEM - A vehicle battery cooling system may include a cooling arrangement to cool a battery, and a controller programmed to operate the arrangement according to each of a series of estimated temperatures of the battery that are based on heat generation, stored thermal energy, and heat transfer rates associated with the battery such that the series forms an estimated temperature waveform that temporally leads a sensed temperature waveform of the battery. | 10-15-2015 |
20150295208 | ELECTRICAL ENERGY STORES, AND METHOD FOR OPERATING AN ELECTRICAL ENERGY STORE - An electrical energy store and a method for operating an electrical energy store are described. The electrical energy store includes: a housing; at least one energy storage element situated in the housing; and at least one gas-tight cavity, to which an internal pressure is applicable, situated in the housing, with the aid of which a pressure is exertable on at least one section of the energy storage element by applying the internal pressure to the cavity. | 10-15-2015 |
20150295241 | ALL-SOLID STATE LITHIUM CARBON MONOFLUORIDE BATTERIES - A solid state lithium carbon monofluoride battery includes an anode comprising Li, a solid electrolyte, and a cathode including CF | 10-15-2015 |
20150303444 | ALL CLIMATE BATTERY AND MANUFACTURING AND USING THE SAME - A rechargeable battery, module or a pack, having different levels of internal resistance that operate at different temperatures are disclosed. In a subfreezing environment, the battery can exhibit high resistance which once operated or activated, generates heat internally to warm up the battery quickly. Once the batter reaches normal operating temperatures, the battery can switch to a low resistance operating mode, thereby delivering superior power and energy despite operating in a very low ambient temperature. | 10-22-2015 |
20150303527 | Control System for a Battery - A method and apparatus for operating a battery system. The apparatus comprises a housing, a plurality of battery cells, and a bypass circuit. The plurality of battery cells is connected in a series circuit within the housing. The plurality of battery cells is configured to supply a total voltage output. The bypass circuit is configured to determine whether a voltage output from a battery cell in the plurality of battery cells has fallen below a selected threshold. The bypass circuit is further configured to bypass the battery cell in the series circuit in response to a determination that the voltage output from the battery cell has fallen below the selected threshold. | 10-22-2015 |
20150303531 | APPARATUS FOR PROVIDING BATTERY PACK COOLING - A battery pack may include a plurality of battery cells, a cell retainer and a heat exchanger assembly. The cell retainer may define a plurality of cell reception slots configured to retain respective ones of the battery cells. The cell retainer may define an enclosure that fixes the battery cells and is not penetrated by any cooling apparatus. The cell retainer may be in thermal communication with the battery cells to transfer heat away from the battery cells. The heat exchanger assembly may be in thermal communication with the cell retainer and external to the cell retainer to at least passively transfer heat away from the cell retainer while the battery pack is operated in a discharge mode. The cell retainer may include a thermally conductive material capable of transferring heat to the heat exchanger assembly and also storing at least some of the heat. | 10-22-2015 |
20150303536 | BATTERY THERMAL MANAGEMENT SYSTEM - A battery is assembled from cells arranged along an axis. The cells have end faces parallel to the line and first and second sides perpendicular to the faces. The first side of a first cell contacts the second side of a second cell. A sealed piping circuit includes a first heat exchanger in contact with, and spanning, the end faces and a second heat exchanger in fluid communication with the first heat exchanger for heat transfer between the heat exchangers. | 10-22-2015 |
20150311528 | Battery Cell and Method of Operating the Same - A battery cell includes a negative electrode and a positive electrode. The battery cell also contains a thermally expandable graphite intercalation compound. | 10-29-2015 |
20150325843 | NEGATIVE ELECTRODE, LITHIUM BATTERY INCLUDING THE SAME AND METHOD OF MANUFACTURING LITHIUM BATTERY - A negative electrode includes a current collector; and a negative active material layer on at least a surface of the current collector. The negative active material layer includes a porous matrix including lithium titanium oxide particles and metal nanoparticles that are alloyable with lithium. An average particle diameter of the lithium titanium oxide particles is at least two times greater than an average particle diameter of the metal nanoparticles. | 11-12-2015 |
20150333377 | Battery with Power Disconnect - Devices, systems, and methods for disconnecting battery power to a load device include a battery with a housing containing a main energy storage element, an internal switch, and a control unit, as well as terminals through the housing for electrically coupling to the load device. The internal switch may include a first switch lead connected to the main energy storage element and a second switch lead connected to at least one of the terminals. The control unit, coupled to the internal switch, may open or close the internal switch in response to receiving an actuation signal. The main energy storage element supplies power or is disconnected from supplying power to the load device when the internal switch is closed or opened respectively. | 11-19-2015 |
20150333378 | TRACTION BATTERY LEAKAGE DETECTION SYSTEM FOR ELECTRIFIED VEHICLE - A leakage detection system for a battery pack of a vehicle may include detection circuitry having a first side connecting a positive terminal of the pack to ground and a second side connecting a negative terminal of the pack to ground, and including no more than one switch among the sides. The system may also include measurement circuitry configured to measure a voltage across a resistor of one of the sides when the switch is open and closed, and a controller programmed to output a leakage associated with the battery pack based on the voltage. | 11-19-2015 |
20150333381 | Battery Module with a Controllable External Heat Sink - A battery module having a controllable external heat sink and methods of operating the battery module are provided. According to an aspect of the invention, the battery module includes a battery cell, an external circuit connected to the battery cell, and a controller that controls the external circuit. The external circuit includes a first switch and a heat sink. If an internal short circuit within the battery cell is detected, the controller closes the first switch in order to generate heat in the heat sink. | 11-19-2015 |
20150349392 | BATTERY PACK AND METHOD OF CONTROLLING AN ELECTRIC FAN IN THE BATTERY PACK - A battery pack is provided. The battery pack includes first and second temperature sensors that are disposed in first and second interior spaces, respectively. The first temperature sensor generates a first signal indicative of a first temperature level of the battery cell. The second temperature sensor generates a second signal indicative of a second temperature level of the DC-DC voltage converter. The battery pack further includes a microprocessor that determines a first desired operational speed value of the electric fan based on the first temperature level, and a second desired operational speed value of the electric fan based on the second temperature level. The microprocessor selects the first desired operational speed value if the first desired operational speed value is greater than the second desired operational speed value. | 12-03-2015 |
20150357680 | Device and Method for Bridging an Electrical Energy Storage - A semiconductor substrate has a first doping region arranged at a surface and a second doping region adjacent to the first doping region. A p-n junction between the doping regions is at least partially arranged less than 5 μm away from a contact area of the first doping region arranged at the substrate surface. A first contact structure is in contact with the first doping region in the contact area of the first doping region and has at least partially an electrically conductive material provided for a diffusion into the semiconductor substrate. The first contact structure is configured so that the conductive material provided for a diffusion into the substrate diffuses at least partially through the first doping region into the second doping region in case predefined trigger conditions occur. A second contact structure is in contact with the second doping region in a contact area of the second doping region. | 12-10-2015 |
20150372279 | ACTIVE BATTERY STACK SYSTEM AND METHOD - An active battery stack DC power conversion and energy storage system and method is disclosed herein. “Active” battery stack shall mean battery modules (e.g., having a least one of or a plurality of energy storage batteries) which can be engaged or disengaged as opposed to “passive” battery stacks in which the battery stack is hardwired and the batteries cannot be separated. Any battery energy storage application can benefit from this active battery management system and method for the flexibility to engage and disengage an individual battery in the battery stack regardless of whether it is charging, discharging or for maintenance purposes. | 12-24-2015 |
20150372348 | Electrolyte composition for electrochemical cell - The field of the invention relates to an electrochemical cell electrolyte, an electrochemical cell comprising this electrochemical cell electrolyte, a method for manufacturing an electrochemical cell and use of the electrochemical cell electrolyte and the electrochemical cell. The electrochemical cell electrolyte comprises an electrolyte salt, an electrolyte solvent and an electrolyte additive wherein the electrolyte solvent is selected from the group comprising cyclic ethers, linear ethers, lactones, acetonitrile or sulfolane. | 12-24-2015 |
20150372351 | PROCESSES FOR PREPARING L-ALKYL-3-ALKYL-PYRIDINIUM BROMIDE AND USES THEREOF AS ADDITIVES IN ELECTROCHEMICAL CELLS - The invention relates to the use of at least one 1-alkyl-3-alkyl-pyridinium halide, in particular 1-alkyl-3-methyl-pyridinium bromide, as an additive in bromine-generating electrochemical cells, such as zinc/bromine cells. Processes for preparing 1-alkyl-3-methyl-pyridinium bromide and concentrated aqueous solutions comprising same for use as additives in the aforementioned cells, are also disclosed. | 12-24-2015 |
20150380724 | TYPE II CLATHRATES FOR RECHARGEABLE BATTERY ANODES - An anode for a rechargeable battery includes a Type II clathrate having the formula M | 12-31-2015 |
20150380773 | FLOODED LEAD-ACID BATTERY - A flooded lead-acid battery, including a negative electrode plate holding a negative active material, a positive electrode plate holding a positive active material, and a flowable electrolyte solution in which these plates are immersed, and allowing the electrolyte solution to have a utilization factor greater than or equal to 75%, wherein the concentration of an alkali metal ion or an alkaline earth metal ion in the electrolyte solution is allowed to be 0.07 to 0.3 mol/L, and the pore volume of the negative active material after formation is allowed to be 0.08 to 0.16 mL/g. | 12-31-2015 |
20150380781 | BATTERY TEMPERATURE REGULATING SYSTEM - A temperature regulating system for regulating the temperature of a battery in a vehicle. The system regulates airflow to the battery for cooling or warming the battery based on the speed of the vehicle and the temperature of the battery. The system provides active cooling airflow to the battery when the battery temperature is above a recommended temperature range, or when the battery temperature is within the recommended temperature range and the speed of the motor vehicle is below a speed threshold. The system provides passive cooling airflow when the battery temperature is within the recommended temperature range and the speed of the motor vehicle is above a speed threshold. The system provides active warming airflow when the battery temperature is below the recommended temperature range. | 12-31-2015 |
20160006081 | MULTI-ELECTRODE ELECTROCHEMICAL CELL AND METHOD OF MAKING THE SAME - A multi-electrode device that includes an anode electrode, a cathode electrode, and a gate electrode situated between the anode and cathode, and having an electrolyte. The multi-electrode device can be a secondary (rechargeable) electrochemical cell. The gate electrode is permeable to at least one mobile species which is redox-active at at least one of the anode and cathode. The gate electrode has a resistance that is lower than that of a conductive non-uniform morphological feature that could be grown on the anode. The gate electrode provides the ability to avoid, recognize, and remove the presence of such non-uniform morphological features, and provides an electrical electrode that can be used to remove such non-uniform morphological features. | 01-07-2016 |
20160020448 | BATTERY PACK VENTING - An exemplary battery pack device includes a plate having a vent path to communicate a fluid vented from a battery cell. The vent path extends non-linearly between an inlet opening and an outlet opening. | 01-21-2016 |
20160023566 | REDUCED ORDER ELECTROCHEMICAL BATTERY MODEL FOR VEHICLE CONTROL - A vehicle battery system includes a traction battery. The traction battery includes at least one cell having an anode, a cathode and an electrolyte therebetween defining a solid-electrolyte interface including an anode solid-electrolyte interface and a cathode solid-electrolyte interface. The vehicle further includes at least one controller that operates the traction battery according to a battery performance variable. The battery performance variable is based on an effective diffusion coefficient of the solid-electrolyte interface, an effective Ohmic resistance of the battery, a Li-ion concentration that is derived from a response to a current profile, and an operating battery current. | 01-28-2016 |
20160023568 | INTERPOLATION OF METAL-ION CONCENTRATIONS IN A BATTERY MODEL FOR VEHICLE CONTROL - A vehicle battery system includes a traction battery. The traction battery includes at least one cell having an anode, a cathode, and an electrolyte therebetween defining a solid-electrolyte interface including an anode solid-electrolyte interface and a cathode solid-electrolyte interface. The system further includes at least one controller programmed to operate the battery according to a battery state of charge that is based on a metal-ion concentration at unevenly discretized locations along an axis of at least one electrode of the battery and derived from a battery model having an associated battery current profile input. | 01-28-2016 |
20160023569 | BATTERY POWER CAPABILITY ESTIMATION BASED ON REDUCED ORDER ELECTROCHEMICAL MODELS - A vehicle includes a battery made up of cells having positive and negative electrodes. A controller operates the battery according to a battery power limit based on a reduced order electrochemical model of the battery. The model includes states that are effective metal-ion concentrations at locations within the electrodes. A battery power limit is based on the metal-ion concentrations and parameters of a system matrix that includes coefficients indicative of a contribution of each of the concentrations to a gradient defined by the concentrations. The parameters are eigenvalues of the system matrix. The power limit is further derived by transforming the system such that the system matrix is expressed as a function of a diagonal matrix. | 01-28-2016 |
20160036019 | ARRAY FRAME DESIGN FOR ELECTRIFIED VEHICLE BATTERY ARRAYS - A battery array frame according to an exemplary aspect of the present disclosure includes, among other things, a frame body, and a thermal fin including a body embedded in the frame body and a leg that extends outside of the frame body. The thermal fin is flexible between a first position in which the leg is spaced farther from a surface of the frame body and a second position in which the leg is spaced closer to the surface of the frame body. | 02-04-2016 |
20160036050 | COMPOSITIONS, LAYERINGS, ELECTRODES AND METHODS FOR MAKING - There is a composition comprising 1 to 17.5 wt. % ionomer composition comprising halogen ionomer and 50 to 99 wt. % carbon-sulfur composite made from carbon powder having a surface area of about 50 to 4,000 square meters per gram and a pore volume of about 0.5 to 6 cubic centimeters per gram. The composite has 5 to 95 wt. % sulfur compound. There is also a layering comprising a plurality of coatings. Respective coatings in the plurality of coatings comprise respective compositions. The respective coatings comprise at least one ionomer composition comprising halogen ionomer and at least one carbon-sulfur composite of carbon powder and sulfur compound. There are also electrodes comprising the composition or layering and methods of using such in cells. | 02-04-2016 |
20160036096 | BATTERY PACK, ELECTRICAL DEVICE, AND CONTROL METHOD THEREFOR - Provided is a battery pack capable of more reliably preventing adverse effects from being externally exerted. MCU ( | 02-04-2016 |
20160036097 | MODULAR ELECTRICAL ENERGY STORAGE DEVICE AND ITS USAGES - Device for storage of electrical energy of high capacity (MEESD) using batteries ( | 02-04-2016 |
20160036098 | MANAGEMENT APPARATUS, COMMUNICATION APPARATUS, MANAGEMENT METHOD, AND MANAGEMENT SYSTEM - There is provided a management apparatus, including a processing unit which performs a process related to management of a battery cell, based on information related to the battery cell, acquired via a power line connected to the battery cell from a communication apparatus electrically connected to the power line. The information related to the battery cell includes sensor information showing a detection result detected by a sensor which detects a state of the battery cell. The processing unit performs a process according to the detection result of the sensor. | 02-04-2016 |
20160043445 | User-Controlled Application-Based Power Management - A user-controlled application-based power management function is provided for a battery-operated device. In general, for each of a number of applications of the battery-operated device, a power management function enables a user of the battery-operated device to provide a desired amount of usage of the application for each of one or more tasks. For each task, an estimated amount of battery life to provide the desired amount of usage of the application for the task and whether the estimated amount of battery life is available is determined. If the estimated amount of battery life is not available, a maximum amount of usage of the application is determined for the tasks that is allowable for a currently remaining, non-allocated amount of battery life and the usage for at least one of the one or more tasks for the application is reduced with the user notified of the maximum amount of usage | 02-11-2016 |
20160043452 | Arrangement and Method for Cooling a Technical Component in a Housing - An arrangement in a motor vehicle includes a housing configured to accommodate a technical component, at least one pressure equalization element integrated into the housing, a cooling device configured to cool the technical component in the housing, and a control device configured to control the cooling device. The control device is configured such that, in the event of an exceedance of a temperature threshold value in the housing, the control device increases the cooling power of the cooling device in order to attain a first temperature value in the housing. After such an increase, proceeding from a second temperature value in the housing, the control device decreases the cooling power such that thermal residual energy of the technical component is sufficient to evaporate the condensation water generated in the housing as a result of the cooling, wherein the second temperature value is higher than the first temperature value. | 02-11-2016 |
20160056487 | METHOD OF MAINTAINING HEALTH OF A FLOW BATTERY - A method of maintaining health of a flow battery includes determining an average oxidation state of a common electrochemically active elemental specie in first and second fluid electrolytes on, respectively, a positive side and a negative side of an electrochemical cell of a flow battery, and adjusting the average oxidation state in response to the average oxidation state deviating from a predefined average oxidation state value. | 02-25-2016 |
20160064780 | METHODS FOR DETERMINING AND CONTROLLING BATTERY EXPANSION - Methods and systems for detecting and compensating for expansion of rechargeable batteries over time. An expansion detector may be coupled to or positioned proximate a rechargeable battery to monitor for expansion thereof. After expansion exceeding a selected threshold is detected, the expansion detector may report the expansion to an associated processing unit. The processing unit may undertake to arrest further rechargeable battery expansion by modifying or changing one or more characteristics of charging and/or discharging circuitry coupled to the rechargeable battery. For example, the processing unit may charge the rechargeable battery at a lower rate or with reduced voltage after detecting expansion. | 03-03-2016 |
20160072132 | PROTECTIVE LAYERS IN LITHIUM-ION ELECTROCHEMICAL CELLS AND ASSOCIATED ELECTRODES AND METHODS - Protective layers in lithium-ion electrochemical cells, and associated electrodes and methods, are generally described. The protective layers may comprise lithium-ion-conductive inorganic ceramic materials, such as lithium oxide, lithium nitride, and/or lithium oxysulfide. The resulting lithium-ion electrochemical cells may exhibit enhanced performance, including reduced capacity fade rates and reduced self-discharge rates. | 03-10-2016 |
20160079608 | THERMAL BATTERY ELECTROLYTE MATERIALS - An electrolyte composition can be capable of becoming molten when heated sufficiently. The electrolyte can include at least one lithium halide salt; and at least one lithium non-halide salt combined with the at least one lithium halide salt so as to form an electrolyte composition capable of becoming molten when above a melting point about 350° C. A lithium halide salt includes a halide selected from F and Cl. A first lithium non-halide salt can be selected from the group consisting of LiVO | 03-17-2016 |
20160079609 | FLUORINE-BASED CATHODE MATERIALS FOR THERMAL BATTERIES - A thermal battery can include an anode of lithium alloy; a metal-fluoride cathode; and an electrolyte composition in contact with the anode and cathode. The lithium alloy can be lithium silicone or lithium aluminum. The metal-fluoride cathode includes FeF | 03-17-2016 |
20160093842 | BATTERY MODULE - A battery module includes a housing that defines an inner volume and includes an airflow path from an aperture formed in a first end member of the housing, through the inner volume, and to an aperture formed in a second end member of the housing; a plurality of power cells mounted in the inner volume of the housing, each of the power cells including a vent member at an end of the power cell; and a flame arrestor mounted across the airflow path and between the plurality of power cells and the aperture formed in the second end member of the housing. The flame arrestor includes a screen that includes a plurality of fluid pathways sized to allow an airflow from the airflow path through the fluid pathways and sized to impede a combusted fluid to pass therethrough. | 03-31-2016 |
20160093927 | BATTERY CAPACITY DEGRADATION RESOLUTION METHODS AND SYSTEMS - A vehicle can include a traction battery and a controller in communication with the battery to determine the battery state using sensed battery electrode capacity to account for battery aging. The sensed battery electrode capacity can be dependent on active lithium ions at a positive electrode of the traction battery. The controller can compare a battery voltage model to measured battery voltage during a vehicle drive cycle, receive sensed current though put data and open circuit voltage at the battery, and determine if a deviation threshold is exceeded. The controller can also correct electrode capacity using a mean of the measured open-circuit voltage to correct the capacity error to less than one amp-hour or initiate an active lithium capacity correction using a variance of the current throughput to correct the capacity error to less than one amp-hour. This information can be used to control the vehicle and battery usage. | 03-31-2016 |
20160093928 | BATTERY PACK AND METHOD OF INDICATING REMAINING CAPACITY THEREOF - A battery pack has a battery, a sensor module, a first power supply module and an indicating module. The sensor module is used to detect a change in an electrical field or magnetic field nearby the battery pack and to activate the indicating module in response to the change being detected. | 03-31-2016 |
20160099474 | Electrochemical Devices For Use In Extreme Conditions - An electrochemical device, such as a battery or power source, provides improved performance under stringent or extreme conditions. Such an electrochemical device for use in high temperature conditions may include at least a cathode, a lithium-based anode, a separator, and an ionic liquid electrolyte. This device also may include a current collector and housing that are electrochemically inert with respect to other components of the device. This electrochemical device may operate at temperatures ranging from 0 to 180, 200, 220, 240, and 260° C. | 04-07-2016 |
20160099488 | METHOD FOR THE SWITCHING OF A NUMBER OF BATTERY CELLS IN A BATTERY AND BATTERY SYSTEM WITH A BATTERY COMPRISING A NUMBER OF BATTERY CELL UNITS, EACH COMPRISED OF A BATTERY CELL AND A BATTERY CELL MONITORING MODULE ASSOCIATED WITH SAID BATTERY CELL - A method for the switching of a number of battery cells in a battery which is configured as an electrochemical storage device, wherein each of the battery cells is electrically connected to the battery in accordance with a corresponding first probability P | 04-07-2016 |
20160104876 | NANOPOROUS COMPOSITE SEPARATORS WITH INCREASED THERMAL CONDUCTIVITY - Nanoporous composite separators are disclosed for use in batteries and capacitors comprising a nanoporous inorganic material and an organic polymer material. The inorganic material may comprise Al | 04-14-2016 |
20160107537 | METHOD FOR MANAGING THE COOLING OF A BATTERY WITH ADJUSTABLE COOLING THRESHOLDS - A method for managing a battery located in a motor vehicle includes cooling the battery when a data item indicative of the temperature of the battery exceeds a first threshold, stopping the cooling of the battery when the data item indicative of the temperature of the battery drops below a second threshold, notably lower than the first threshold, and adjusting at least one of the first and second thresholds. | 04-21-2016 |
20160118653 | ANODE ELEMENT FOR ELECTROCHEMICAL REACTIONS - Anode element for a fuel and electrical power generator unit, the anode element being formed as a massive metal body made from at least one of magnesium, zinc, or aluminum, or an alloy of at least one of these and comprising a porous activated surface layer. | 04-28-2016 |
20160118696 | ENERGY STORAGE SYSTEM AND METHOD FOR SETTING IDENTIFICATION CODE TO BATTERY TRAY FOR THE SAME - An energy storage system includes a plurality of trays holding battery packs, each tray having a tray controller, and a switch to set an identification code to the tray, and a rack accommodating the plurality of trays, the rack having a rack controller, and fingers corresponding to each switch of the trays, the fingers selectively activating each switch when a corresponding tray is mounted on the rack. | 04-28-2016 |
20160118697 | BATTERY SYSTEM AND DRIVING METHOD THEREOF - A battery system capable of cooling overheated battery packs among a plurality battery packs each mounted in a battery case by measuring temperatures of the battery packs is disclosed, and a driving method thereof is provided. In one embodiment, the battery system includes a plurality of battery packs, an air compressor for supplying a compressed cooling air to the plurality of battery packs, a gas dividing unit coupled between the plurality of battery packs and the air compressor and including a plurality of valves, and a controller for controlling opening and closing of each of the plurality of valves according to temperatures of the plurality of battery packs. | 04-28-2016 |
20160126589 | ELECTROLYTE FOR BATTERIES WITH REGENERATIVE SOLID ELECTROLYTE INTERFACE - An energy storage device comprising: | 05-05-2016 |
20160126594 | NONAQUEOUS ELECTROLYTE SOLUTION AND NONAQUEOUS SECONDARY BATTERY - A nonaqueous electrolyte solution including a nonaqueous solvent; an electrolyte; and a combustion inhibitor, in which the combustion inhibitor contains a phosphazene compound, and specific conditions are defined by boiling points of a combustion inhibitor, a boiling point of a solvent, and the like. | 05-05-2016 |
20160133899 | RATE-SENSITIVE AND SELF-RELEASING BATTERY CELLS AND BATTERY-CELL STRUCTURES AS STRUCTURAL AND/OR ENERGY-ABSORBING VEHICLE COMPONENTS - A battery system includes a load bearing structure having battery cells, or structures formed by battery cells, and at least one mechanical switch, and an electrical connection coupled with the battery cells of the load bearing structure. A battery has a rate-sensitive component that is configured to deform into a first state to provide a first reaction force under a mechanical loading of a first magnitude. The rate-sensitive component is configured to deform into a second state to provide a second reaction force under a mechanical loading of a second magnitude. | 05-12-2016 |
20160133964 | FLOW BATTERY WITH MANIFOLD PASSAGE THAT VARIES IN CROSS-SECTION - A flow battery includes a cell stack that has electrochemically active cells and manifolds that define common manifold passages in fluid communication with the electrochemically active cells. A supply/storage system is external of the cell stack and includes at least one vessel fluidly connected with respective ones of the common manifold passages. Fluid electrolytes are in the supply/storage system. At least one of the fluid electrolytes is an ionic-conductive fluid. The manifolds extend in a length direction through the cell stack. The common manifold passages include a common manifold passage P that varies in cross-section along the length direction. | 05-12-2016 |
20160141732 | ELECTROCHEMICAL STORAGE DEVICE HAVING A STATE DETECTOR - An electrochemical storage device including a state detector, has an electrochemical storage device, which has a wall that surrounds an electrochemical storage material. The state detector has at least one ultrasonic transmitter and at least one ultrasonic receiver, which are attached to the side of the wall facing away from the electrochemical storage material. The electrochemical storage material is subject to a volume change during operation of the storage device, and the electrochemical storage material is liquid during operation of the storage device and is in direct contact with the wall and the ultrasonic transmitter and the ultrasonic receiver are attached to the wall in such a way that the ultrasonic transmitter and the ultrasonic receiver are acoustically coupled to the wall. | 05-19-2016 |
20160141734 | SYSTEM AND METHOD FOR REGULATING THE TEMPERATURE OF AN ELECTROCHEMICAL BATTERY - A system and method regulate the temperature of an electrochemical battery. The system can be incorporated in a hybrid or electric motor vehicle including at least two electrical-energy-accumulating elements, each element including at least one electrochemical cell. The system increases the intensity of the value of the current flowing through the battery up to a first threshold value and includes a module for disconnecting and connecting an electrical-energy-accumulating element. | 05-19-2016 |
20160149196 | RECHARGEABLE BATTERY WITH INTERNAL CURRENT LIMITER AND INTERRUPTER - A high energy density rechargeable (HEDR) battery employs a combined current limiter/current interrupter to prevent thermal runaway in the event of internal discharge or other disruption of the separator. The combined current limiter/current interrupter is interior to the battery. | 05-26-2016 |
20160149199 | RECHARGEABLE BATTERY WITH VOLTAGE ACTIVATED CURRENT INTERRUPTER - A high energy density rechargeable metal-ion battery includes an anode energy layer, a cathode energy layer, a separator for separating the anode and the cathode energy layers, an anode current collector for transferring electrons to and from the anode energy layer, the battery characterized by a maximum safe voltage for avoiding overcharge, and an interrupt layer that interrupts current within the battery upon exposure to voltage in excess of the maximum safe voltage. The interrupt layer is between the anode energy layer and current collector. When unactivated, it is laminated to the cathode current collector, conducting current therethrough. When activated, the interrupt layer delaminates from the anode current collector, interrupting current therethrough. The interrupt layer includes a voltage sensitive decomposable component that upon exposure to voltage in excess of the maximum safe voltage decomposes, evolving a gas, delaminating the interrupt layer from the anode current collector, interrupting current therethrough. | 05-26-2016 |
20160149268 | RECHARGEABLE BATTERY WITH RESISTIVE LAYER FOR ENHANCED SAFETY - An improved high energy density rechargeable (HEDR) battery with an anode energy layer, a cathode energy layer, a separator between the anode and cathode energy layers for preventing internal discharge thereof, and at least one current collector for transferring electrons to and from either the anode or cathode energy layer, includes a resistive layer interposed between the separator and one of the current collectors for limiting the rate of internal discharge through the failed separator in the event of separator failure. The resistive layer has a fixed resistivity at temperatures between a preferred temperature range and an upper temperature safety limit for operating the battery. The resistive layer serves to avoid temperatures in excess of the upper temperature safety limit in the event of separator failure in the battery, and a fixed resistivity of the resistive layer is greater than the internal resistivity of either energy layer. | 05-26-2016 |
20160149269 | RECHARGEABLE BATTERY WITH TEMPERATURE ACTIVATED CURRENT INTERRUPTER - A high energy density rechargeable (HEDR) metal-ion battery includes an anode and a cathode energy layer, a separator for separating the anode and cathode energy layers, and at least one current collector for transferring electrons to and from either the anode or cathode energy layer. The HEDR battery has an upper temperature safety limit for avoiding thermal runaway. The HEDR battery further includes an interrupt layer that activates upon exposure to temperature at or above the upper temperature safety limit. When the interrupt layer is unactivated, it is laminated between the separator and one of the current collectors. When activated, the interrupt layer delaminates, interrupting current through the battery. The interrupt layer includes a temperature sensitive decomposable component that, upon exposure to temperature at or above the upper temperature safety limit, evolves a gas upon decomposition. The evolved gas delaminates the interrupt layer, interrupting current through the battery. | 05-26-2016 |
20160149273 | BATTERY ARRANGEMENT FOR ELECTRICALLY POWERED INDUSTRIAL VEHICLE - The present invention relates to a battery arrangement for an electrically powered industrial vehicle. The battery arrangement comprises a battery and ancillary equipment arranged to connect the battery to the vehicle. The battery is removably connected to the vehicle and comprises a current sensor. The battery is in a first state (A) when a measured current out from the battery exceeds a predetermined first current level. In the first state (A) the battery is prevented from turning power off to the vehicle. The battery is in a second state (B) when a measured current out from the battery is below a predetermined first current level for a predetermined first period of time. In the second state (B) the battery is allowed to turn power off to the vehicle. | 05-26-2016 |
20160156023 | COSOLVENT ELECTROLYTES FOR ELECTROCHEMICAL DEVICES | 06-02-2016 |
20160156059 | POLYOZOMETALLATES FOR USE AT ELEVATED TEMPERATURES AND PRESSURES | 06-02-2016 |
20160156074 | BATTERY MODULE HAVING SIDE COMPRESSION STRUCTURE WITH HEAT EXCHANGER | 06-02-2016 |
20160156081 | ALL SOLID STATE LITHIUM BATTERY | 06-02-2016 |
20160164125 | ELECTROCHEMICAL SYSTEMS INCORPORATING IN SITU SPECTROSCOPIC DETERMINATION OF STATE OF CHARGE AND METHODS DIRECTED TO THE SAME - State of charge determination within electrochemical systems, such as flow batteries, can often be difficult to measure, particularly in an in situ manner. Methods for assaying the condition of an electrochemical system can include: interacting electromagnetic radiation with a first electrolyte solution at a location within the electrochemical system, the electromagnetic radiation being delivered through an optical material configured to exhibit attenuated total reflectance at an interface between the optical material and the first electrolyte solution; receiving at a detector electromagnetic radiation that has interacted with the first electrolyte solution via one or more attenuated total reflectances within the optical material; and measuring an absorbance of at least one of an oxidized form or a reduced form of a first coordination compound within the first electrolyte solution via the electromagnetic radiation that is received at the detector. | 06-09-2016 |
20160164150 | BATTERY HUMIDITY CONTROL BY DIFFUSION BARRIER - Disclosed herein are various systems and methods for controlling humidity in batteries to reduce formation of condensate in a battery compartment. In one embodiment, a system consistent with the present disclosure may include a cooling system configured to produce a flow of coolant. A battery compartment may house a battery and may separate the battery from an environment. The flow of coolant may pass into the battery compartment and may be used to cool the battery. The battery compartment may include a vent configured to permit a flow of environmental air to enter the battery compartment. A diffusion barrier may be in fluid communication with the vent and configured to deliver the flow of environment air to the battery compartment. The diffusion barrier may decrease diffusion of water vapor from the environment into the battery compartment. | 06-09-2016 |
20160167974 | INTEGRATED PROCESS FOR CARBON CAPTURE AND ENERGY PRODUCTION | 06-16-2016 |
20160172714 | Multi-Element Liquid Metal Battery | 06-16-2016 |
20160197378 | ELECTROLYTES FOR WIDE OPERATING TEMPERATURE LITHIUM-ION CELLS | 07-07-2016 |
20160204483 | PREVENTION OF CELL-TO-CELL THERMAL PROPAGATION WITHIN A BATTERY SYSTEM USING PASSIVE COOLING | 07-14-2016 |
20160204487 | TEMPERATURE ADJUSTING STRUCTURE AND TEMPERATURE ADJUSTING METHOD FOR ELECTRIC POWER STORAGE DEVICE | 07-14-2016 |
20160204639 | STATUS DETERMINING METHOD FOR SECONDARY BATTERY, STATUS DETERMINING APPARATUS FOR SECONDARY BATTERY, SECONDARY BATTERY SYSTEM, AND CHARGE/DISCHARGE CONTROL APPARATUS HAVING STATUS DETERMINING APPARATUS | 07-14-2016 |
20160254512 | Electrochemical Cell with Bipolar Faradaic Membrane | 09-01-2016 |
20160380309 | LONG-LIFE LITHIUM-ION BATTERIES - The invention relates to a battery comprising a cathode, an anode and electrolyte between said cathode and anode, in which: —the cathode comprises an oxide containing manganese as active substance; and —the electrolyte contains a lithium imidazolate of formula: (i) in which R, R | 12-29-2016 |
20160380313 | BATTERY PACK, CONTROL CIRCUIT, AND CONTROL METHOD - According to an embodiment, a battery pack includes an initial state estimation unit, a temperature estimation unit, and a determination unit. The internal state estimation unit estimates an internal state of a secondary battery based on measurement data. The temperature estimation unit estimates the temperature of the secondary battery based on the measurement data and the estimation parameter. The determination unit compares an absolute value of a temperature difference between a measured temperature of the secondary battery contained in the measurement data and the estimated temperature with one or more temperature threshold levels, and determines a temperature state of the secondary battery in accordance with a comparison result. | 12-29-2016 |
20180026255 | BATTERY CELL FOR A BATTERY OF A MOTOR VEHICLE, BATTERY, MOTOR VEHICLE, AND METHOD FOR OPERATING A BATTERY CELL | 01-25-2018 |
20180026311 | METHOD FOR OPERATING BATTERY CELLS OF A BATTERY, BATTERY AND MOTOR VEHICLE | 01-25-2018 |