EnerDel, Inc. Patent applications |
Patent application number | Title | Published |
20140272518 | BATTERY SYSTEM WITH COMPLIANT HEATSINK ASSEMBLY - A multi-cell battery system is disclosed including one or more battery sub-assemblies and one or more compliant heat exchange assemblies stacked together along a longitudinal axis. Each compliant heat exchange assembly may adapt to expansions and contractions of adjacent battery cells, and may define a heat exchange passageway through the battery system. | 09-18-2014 |
20140272495 | BATTERY SYSTEM WITH COOLED ELECTRICAL CONNECTORS - A multi-cell battery system is disclosed including a plurality of battery sub-assemblies stacked together along a longitudinal axis, and an electrical connector between the battery sub-assemblies. A heat exchange passageway passes across the electrical connector to cool the battery system. An exemplary electrical connector includes a plurality of heat transfer features to promote cooling of the battery system. | 09-18-2014 |
20140272494 | BATTERY SYSTEM WITH INTERNAL COOLING PASSAGES - A multi-cell battery system is disclosed including a plurality of battery sub-assemblies and a plurality of heat exchange members stacked together along a longitudinal axis. Each of the plurality of heat exchange members defines a heat exchange passageway through the battery system. | 09-18-2014 |
20140253046 | METHOD AND APPARATUS FOR BATTERY CONTROL - Generally, a system and a method for controlling a battery to power a load determine a battery temperature and control current flow from the battery based on the battery temperature. If the battery temperature is less than a low temperature, load current is disabled and current is enabled through a resistive load to discharge the battery, at least until the battery temperature is about equal to or greater than the low temperature. | 09-11-2014 |
20140253045 | METHOD AND APPARATUS FOR BATTERY CONTROL - Generally, a system and a method for controlling a battery to power a load disable battery discharge if a battery voltage is less than a low voltage. Disabling battery discharge inhibits current flow from the battery to the load. Battery discharge is enabled after receipt of a reserve enable signal even if the battery voltage is less than the low voltage. | 09-11-2014 |
20140099819 | BATTERY TERMINAL SYSTEM - Battery terminal systems are provided for coupling a first battery to a second battery. The battery terminal systems may include bases assembled to the terminals of the first battery and the second battery. The bases being coupled to a jumper to electrically couple the first battery to the second battery. | 04-10-2014 |
20140097797 | ENERGY STORAGE SYSTEM - An energy storage system is disclosed. The energy storage system may include a power control module coupled to a plurality of energy modules each including a plurality of batteries. The plurality of batteries may be placed in a plurality of containers and arranged in a plurality of parallel strings. | 04-10-2014 |
20140054278 | BATTERY PACK ASSEMBLY WITH INTEGRATED HEATER - A battery pack assembly for providing electric power to a load includes a battery pack, preferably made up of a plurality of lithium ion cells. A heating device formed of a flexible material flexes and covers at least part of the battery pack. The heating device includes a meandering heating strip. A thermal sensor is surrounded by the heating strip to sense the temperature of the battery pack. Electric current is applied to the heating strip to heat the battery pack when its temperature falls too low, thus improving performance of the battery pack. The heating device also includes a plurality of tabs extending beyond the peripheral sides of the heating device for direct connection to the cells. Thus, electric current for the heating strip is provided directly from the cells of the battery pack. | 02-27-2014 |
20130250466 | SHORT CIRCUIT APPARATUS AND METHOD - An assembly is disclosed which may include a serviceable unit and a current limiting device coupled to the serviceable unit. The serviceable unit may include a positive electrical terminal connection, a negative electrical terminal connection, and a plurality of energy storage devices operatively coupled to the positive electrical terminal connection and the negative electrical terminal connection to form an electrical path of the serviceable unit. The current limiting device may include a current limiting component. The current limiting component being included in the electrical path of the serviceable unit. | 09-26-2013 |
20130196205 | ENERGY STORAGE SYSTEM - Battery assemblies are disclosed which may include a plurality of battery cells removably coupled to a support. The support may include trays which are stacked. The battery cells of each tray may be electrically connected together. The battery trays may include a battery support which extends under and supports a middle portion of the battery cells of the respective battery tray. The battery support may be a thermal sink for the battery cells. The plurality of cells may be coupled to a support with a compression member including a plurality of heat transfer members. | 08-01-2013 |
20130157136 | COATING OF DISORDERED CARBON ACTIVE MATERIAL USING WATER-BASED BINDER SLURRY - An electrochemical cell manufactured by coating a conductive substrate of an electrode with a disordered carbon active material using a water-based binder slurry. An exemplary binder slurry includes at least one disordered carbon material, carboxymethyl cellulose (CMC), styrene butadiene rubber (SBR), and water. | 06-20-2013 |
20130108930 | PERFORMANCE ENHANCEMENT ADDITIVES FOR DISORDERED CARBON ANODES | 05-02-2013 |
20120310568 | Monitoring Battery State of Charge - Systems and methods for monitoring a state of charge of a battery are disclosed. An updated state of charge of the battery may be determined based on a measured terminal voltage of the battery, a measured current of the battery, and a value of at least one battery parameter selected from a plurality of values based on a prior state of charge of the battery. | 12-06-2012 |
20120244446 | REDOX SHUTTLE FOR HIGH VOLTAGE LITHIUM BATTERY - A redox shuttle is provided to prevent overcharge of high voltage batteries, such as high voltage lithium ion (Li-ion) batteries. An exemplary redox shuttle includes a methylated closo-monocarborate anion. | 09-27-2012 |
20120244415 | BATTERY ASSEMBLY AND METHOD OF FORMING THE SAME - A battery assembly includes a first cell and a second cell adjacent the first cell. A first insulator and a second insulator extend over and encapsulate first electrode and second electrode. A shell extends over the first and second insulators thereby encapsulating the first and second insulators. A mechanical connection is defined between the first insulator of the first cell and the second insulator of the second cell. | 09-27-2012 |
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 |
20120242171 | SYSTEM AND METHOD FOR MONITORING OPERATION OF SWITCH ELEMENTS - Systems and methods are provided for monitoring operation of a circuit having a DC power supply, a load, and a switch element connecting the DC power supply to the load. The system includes a capacitive element coupling a first input node of a sensor element to a first interconnection node of the circuit between a first voltage supply terminal of the DC power supply and the load. The system also includes a grounding structure coupling a second input node of the sensor element to a ground plane isolated from the DC power supply. In the system, the grounding structure is positioned with respect to a second interconnection node of the circuit, between a second voltage supply terminal of the DC power supply and the load, so as to define a stray capacitance for carrying a transient signal resulting from the opening or closing of the switch element, which can be detected through the sensor element for monitoring the current switch state of the switch element. | 09-27-2012 |
20120231319 | STRUCTURAL AND THERMAL MANAGEMENT COMPONENT - Structural and thermal management component. In at least one exemplary embodiment of a structural and thermal management component of the present disclosure, the component comprises a base portion defining an upper surface and a lower surface. An exemplary component further comprises a plurality of fins extending from the upper surface of the base portion at least substantially extending a length of the base portion, the plurality of fins configured to dissipate heat away from a structure positioned adjacent thereto, the plurality of fins and the base portion forming a structurally-rigid unitary body. In at least one embodiment, the structurally-rigid unitary body of the present disclosure is extruded from a single portion of a metal. | 09-13-2012 |
20120231318 | SCALABLE BATTERY MODULE - A scalable battery module ( | 09-13-2012 |
20120068665 | System and Method for Balancing a State of Charge of Series Connected Cells - A method of balancing a state of charge (SOC) of a plurality of cells connected in series, including identifying an undercharged cell from the plurality of cells to charge, electrically connecting a positive side of the undercharged cell to a positive bus, electrically connecting a negative side of the undercharged cell to a negative bus, electrically connecting an inductor to a voltage source during a first time period; electrically disconnecting the inductor from the voltage source in response to an elapse of the first time period, and maintaining the disconnection of the inductor from the plurality of cells for a second time period corresponding generally to the time for the inductor to discharge energy to the undercharged cell. | 03-22-2012 |
20120056625 | Method and System to Measure Series-Connected Cell Voltages Using a Flying Capacitor - A method and system for measuring voltage of individual cells connected in series includes a pair of busses connectable to the cells and a flying capacitor connectable to the busses. The capacitor stores the charge of one of the cells such that an analog-to-digital converter (ADC) connected to the capacitor may process an accurate representation of the voltage of the cell being measured. In order to prevent electrical interference with the capacitor and the ADC, the charge on the busses is reduced prior to measurement by the ADC | 03-08-2012 |
20110139469 | DEVICE, SYSTEM, AND METHOD OF FIRE SUPPRESSION - The present application includes disclosure of various embodiments of a dip tube device, included in fire suppression devices and systems, and methods of using the same. In an exemplary embodiment, the dip tube is comprised of a first cylinder defining a first lumen having a first diameter, a second cylinder defining a second lumen having a second diameter, and a joining member operably connecting the first lumen with the second lumen to allow a substance to pass therethrough, the joining member allowing movement of the second cylinder relative to the first cylinder. In an exemplary embodiment, the first diameter and the second diameter are substantially unchanged upon exposure to pressure greater than one atmosphere. | 06-16-2011 |
20100141268 | SYSTEM AND METHOD FOR MEASURING SERIES-CONNECTED CELL VOLTAGES USING A FLYING CAPACITOR WITH SELF CALIBRATION - System and method for measuring series-connected cell voltages using a flying capacitor with self-calibration. In at least one embodiment of a system of the present disclosure, the system comprises a capacitor, a switch, an amplifier, an analog-to-digital converter, and a precision voltage device. In an exemplary method of the present disclosure, the method comprises the steps of charging a capacitor, obtaining a charge voltage reading, discharging the capacitor for a known duration, obtaining a discharge voltage reading, and signaling a malfunction of the discharge voltage reading is greater than a predetermined voltage level. | 06-10-2010 |
20090136415 | Lithium titanate and method of forming the same - A lithium titanate is formed by mixing lithium carbonate powder or lithium hydroxide powder with titanium oxide followed by preparing a mixed slurry of titanium compound powder and a solution containing lithium, followed by depositing a lithium compound by spray-drying. | 05-28-2009 |
20080231231 | SYSTEM AND METHOD FOR BALANCING STATE OF CHARGE OF SERIES CONNECTED CELLS - A system and method for charging an undercharged cell of a bank of series connected cells utilizes a charging circuit. The charging circuit includes an inductor that receives current from the entire bank of cells and then provides current to the undercharged cell. Pulse width modulation is utilized to turn the switches on and off to regulate the current that flows to the inductor and thus is provided to the undercharged cell. | 09-25-2008 |
20080226969 | BATTERY PACK ASSEMBLY WITH INTEGRATED HEATER - A battery pack assembly for providing electric power to a load includes a battery pack, preferably made up of a plurality of lithium ion cells. A heating device formed of a flexible material flexes and covers at least part of the battery pack. The heating device includes a meandering heating strip. A thermal sensor is surrounded by the heating strip to sense the temperature of the battery pack. Electric current is applied to the heating strip to heat the battery pack when its temperature falls too low, thus improving performance of the battery pack. The heating device also includes a plurality of tabs extending beyond the peripheral sides of the heating device for direct connection to the cells. Thus, electric current for the heating strip is provided directly from the cells of the battery pack. | 09-18-2008 |