Patent application number | Description | Published |
20090072793 | Rechargeable battery assembly and power system using same - A rechargeable battery, battery set or battery pack having a circuit or a plurality of circuits for providing self-discharging thereof electrically connected in parallel are used to form rechargeable battery assemblies and electric power supply systems for use in electric and hybrid vehicles and the like. | 03-19-2009 |
20090169454 | Method and devices for producing air sensitive electrode materials for lithium ion battery applications - A unit for use within a furnace which is absent a controlled atmosphere, for carrying out a synthesizing process for synthesizing precursors to form a synthesized product at elevated temperatures. The unit consists of a vessel, having at least one opening, for containing materials of the synthesizing process, and a solid reductive material. The materials of the synthesizing process are separated from the atmosphere of the furnace by either the vessel or the reductive material. The unit is especially suited for synthesizing LiFePO | 07-02-2009 |
20100227211 | High durability lithium-ion cells - A rechargeable battery and a method of fabricating which includes stacking a plurality of electrode pages having an uncoated portion between portions coated with an active electrode material. The electrode pages are arranged in a stack and an overall current collector is connected at the uncoated portion in order to form an electrode booklet. The overall current collector maintains the arrangement of the electrode pages and electrically connects all of the uncoated portions of the electrode pages. A tilted stack of electrode pages is utilized when a large number of electrodes are desired to result in a battery cell having a vertical orientation. | 09-09-2010 |
20100253278 | ADVANCED RECHARGEABLE BATTERY SYSTEM - A rechargeable battery system having a plurality of cells in series circuits for high voltage applications. Cells, cell sets and cell packs in series circuits are protected from over-charging with self-discharging devices. The rechargeable battery system is protected from over-charging and over-discharging and charging is controlled to be resumed by an over-charge/over-discharge printed circuit board or the charger. | 10-07-2010 |
20100270972 | RECHARGEABLE BATTERY ASSEMBLY AND POWER SYSTEM USING SAME - A rechargeable battery, battery set or battery pack having a circuit or a plurality of circuits for providing self-discharging thereof electrically connected in parallel are used to form rechargeable battery assemblies and electric power supply systems for use in electric and hybrid vehicles and the like. | 10-28-2010 |
20100273046 | CURRENT COLLECTING POST SEAL FOR HIGH DURABILITY LITHIUM-ION CELLS - A cover assembly for a Lithium-ion battery container to improve the durability of the battery. A high pressure injection molded polymer is combined with flanges disposed on the current collecting posts of the battery to provide an improved seal for the battery cover, especially at the interface of the cover and the current collecting posts. The injection molded polymer is fused to the flanges, current collecting posts and container cover to result in a diffusion path of increased length for gases and/or liquids which are known to enter or escape from battery containers. Additional polymer layers can be applied to the assembly to further improve the seal. | 10-28-2010 |
20100283428 | RECHARGEABLE BATTERY ASSEMBLY AND POWER SYSTEM USING SAME - A rechargeable battery, battery set or battery pack having a circuit or a plurality of circuits for providing self-discharging thereof electrically connected in parallel are used to form rechargeable battery assemblies and electric power supply systems for use in electric and hybrid vehicles and the like. | 11-11-2010 |
20120177985 | HIGH DURABILITY LITHIUM-ION CELLS - A rechargeable battery and a method of fabricating which includes stacking a plurality of electrode pages having an uncoated portion between portions coated with an active electrode material. The electrode pages are arranged in a stack and an overall current collector is connected at the uncoated portion in order to form an electrode booklet. The overall current collector maintains the arrangement of the electrode pages and electrically connects all of the uncoated portions of the electrode pages. A tilted stack of electrode pages is utilized when a large number of electrodes are desired to result in a battery cell having a vertical orientation. | 07-12-2012 |
20120248881 | HIGH VOLTAGE BATTERY SYSTEM FOR VEHICLE APPLICATIONS - In one embodiment, a battery management system comprising a first circuit comprising a first plurality of circuit elements arranged in series, the first plurality of circuit elements comprising: a direct current (DC) voltage source, and first plural switching devices, each of the first plural switching devices connected to, and operably switched by, a first detection device associated with a battery module to cause a voltage difference responsive to detection of an event corresponding to operation of the battery module. | 10-04-2012 |
20120249086 | STATE OF CHARGE DETERMINATION SYSTEMS AND METHODS - In one embodiment, a method implemented by a processor, comprising receiving voltage values corresponding to a battery system, receiving charge values corresponding to charge flowing through the battery system, and determining a state of charge based on specified anchoring points of a charge integration, the anchoring points based on the received voltage and time. | 10-04-2012 |
20130248773 | DIRECT SYNTHESIS OF LITHIUM ION BATTERY ELECTRODE MATERIALS USING GRAPHENE TREATED RAW MATERIALS AS THE REACTANT - In one embodiment, a composition for use in making active materials for a lithium ion battery, the composition comprising a processed, homogenous mix of graphene-treated reactant, conductive material, and a Li and phosphate-based salt, the composition comprising a surface area of less than approximately 10 m | 09-26-2013 |
20130251888 | DIRECT DEPOSITION OF GRAPHENE ON SUBSTRATE MATERIAL - In one embodiment, a method comprising causing motion of an enclosed container comprising substrate material and graphite material within the container; and coating surfaces of the substrate material with the graphite material responsive to the motion of the container, the coated surfaces comprising graphene or graphene layers. | 09-26-2013 |
20140145853 | State of Health Determination Without Unnoticed Battery Shut Down - In one embodiment, a battery control system, comprising: a plurality of battery units comprising a battery system; and a controller coupled to the plurality of battery units, the controller configured to monitor, for each battery unit, a first voltage and a second voltage, the first voltage corresponding to an absolute value of a shut-off voltage and a second voltage corresponding to a warning voltage, the first voltage smaller than the second voltage, wherein responsive to one of the battery units reaching the second voltage, the controller is configured to provide a first alert before the any of the battery units reaches the first voltage. | 05-29-2014 |
20140312267 | CHEMICAL SYNTHESIS ROUTE FOR LITHIUM ION BATTERY APPLICATIONS - An exemplary embodiment of a synthesis method includes the following acts or steps: providing LiMn | 10-23-2014 |
20140315092 | METHODS AND SYSTEMS FOR MAKING AN ELECTRODE FREE FROM A POLYMER BINDER - The disclosure describes an exemplary binding layer formed on Aluminum (Al) substrate that binds the substrate with a coated material. Additionally, an extended form of the binding layer is described. By making a solution containing Al-transition metal elements-P—O, the solution can be used in slurry making (the slurry contains active materials) in certain embodiments. The slurry can be coated on Al substrate followed by heat treatment to form a novel electrode. Alternatively, in certain embodiments, the solution containing Al-transition metal elements-P—O can be mixed with active material powder, after heat treatment, to form new powder particles bound by the binder. | 10-23-2014 |
Patent application number | Description | Published |
20080241653 | Car Battery - A car battery comprises: four lithium ferro-phosphate batteries serially connected and positioned within a battery case with the anode and cathode caps exposed and connected to each other, and each of the lithium ferro-phosphate batteries has a capacity of 10-20 ampere-hour. The car battery also comprises two wires respectively connected to the anode and cathode caps, and the wires are thus connected to the anode and cathode of the lithium ferro-phosphate batteries connected in series. | 10-02-2008 |
20120148907 | ELECTRODE STRUCTURE OF LITHIUM BATTERY - An electrode structure of a lithium battery is provided for electrically connecting a positive pole and a negative pole in a tank of the lithium battery to the external. The electrode structure includes a lid body and at least one electrode body made of sheet metal material. The electrode body has a wrapped portion disposed in the lid body, two ends of the wrapped portion form bent portions respectively, and a connection portion and an output portion extend respectively from the bent portions to protrude from a surface of the lid body. A conductive electrode structure of the lithium battery is formed by wrapping instead of direct penetrating, thus achieving a hermetic effect of conductive positions of the electrode. | 06-14-2012 |
20140220406 | CONDUCTIVE CONNECTION STRUCTURE FOR SECONDARY BATTERIES - A conductive connection structure for secondary batteries employs conductive portions disposed under two lateral sides of a cover plate to conductively connect to at least one battery cell. The conductive portions disposed under the two lateral sides of the cover plate are bendable, and the conductive portions are bent toward outer sides of the cover plate, so that the conductive portions are disposed horizontally; a connecting portion is extended upward respectively from an anode and a cathode terminals on two lateral sides of each of the battery cells, and the connecting portions and the conductive portions are electrically connected. By modifying the design of the connection structure of the battery cells and the two conductive portions under the cover plate, a time for soldering the battery cells and the conductive portions for conductive connection is reduced, the connection is tighter and more reliable and manpower cost is reduced. | 08-07-2014 |