Abstract: A battery assembly includes a sealed battery cell container holds a positive and negative electrode and an electrolyte. Deflection-responsive means engages at least one outer face of the container and is responsive to deflection thereof for operating a cut-off switch to break the electrical continuity of the battery assembly. Flat battery cell containers may be stacked in different arrangements within a coupling structure, the arrangements defining either a cavity between the coupling structure and an adjacent container face, or a cavity between faces of adjacent cell containers. A membrane switch received in the cavity is actuated by bulging of a cell container wall. A control circuit operates the cut-off switch in response to actuation of the membrane switch.

Abstract: A battery pack (21A) according to embodiments of the present invention comprises a plurality of battery modules (11A-11D) connected to each other in either one or both of a series connection mode and a parallel connection mode. An identifying information setting section (25) sets identifying information on each of the plurality of battery elements (11A-11D). A connection mode managing section (47) manages the connection mode between the plurality of battery elements (11A-11D) by using the identifying information set by the identifying information setting section (25). The identifying information on each of the plurality of battery elements (11A-11D) is made up of a combination of first identifying information on the potential of the one of the plurality of battery elements (11A-11D) and second identifying information on the battery pack (21A) serving as a superordinate battery element to which the one of the plurality of battery elements (11A-11D) belongs.

Abstract: Provided is a secondary battery including a battery cell having a cathode tab and an anode tab formed at one side thereof; a pouch formed so as to be enclose and seal the battery cell so that the cathode tab and the anode tab of the battery cell are protruded to the outside; and a shape memory alloy provided in the pouch and having a bent part bent in a specific shape and penetrating through and opening the pouch while being unbent at the time of an increase in a temperature of the battery cell, to discharge gas generated in the pouch when the gas is generated in the pouch due to an increase in a temperature caused by overcharging, overdischarging, and the like, to expand the pouch, thereby making it possible to prevent ignition and explosion.

Abstract: A battery operated smoke detector with a system for lowering the battery of the smoke detector is disclosed. The smoke detector is of the type that is mountable from the ceiling of a structure. The battery of the smoke detector is part of a battery pack that is connected to a battery wire that is mounted on a spool. An engagement mechanism that allows the lowering of the spool and battery pack in response to a low-voltage condition controls the lowering of the battery pack. An electric motor is connected to the spool, and is used for raising the battery pack once a battery that is charged is connected to the system.

Abstract: A device for suppressing fires generated by lithium-ion batteries exhibiting thermal runaway. The device can include a thermally insulating enclosure for housing one or more battery cells. A fluid delivery system having a heat/temperature sensitive tube passes through each enclosure and contains an agent capable of extinguishing fires. When the cell or battery starts to undergo thermal runaway, the increase in temperature or the eruption of open flame causes the fluid delivery system to rupture inside the enclosure. The agent leaks out of the rupture and is transported into the enclosure and onto the malfunctioning cell or battery. Any fire is suppressed and the cell or battery is cooled down by the agent.

Abstract: A rechargeable battery for preventing a safety device from being melted when a conductor penetrates is provided. The rechargeable battery includes an electrode assembly having a first electrode and a second electrode at both sides of a separator, a case housing the electrode assembly, a cap plate coupled to an opening of the case, a first electrode terminal and second electrode terminal that are installed in a terminal hole of the cap plate to be connected to the first electrode and the second electrode, respectively, and a safety device that is disposed between the electrode assembly and the case. The cap plate is electrically connected to one of the first electrode and the second electrode, and the safety device is electrically connected to the another of the first electrode and the second electrode. The safety device includes a plate portion and a protruded portion that protrudes from at least one surface of the plate portion.

Abstract: A rechargeable battery includes: an electrode assembly including a first electrode and a second electrode; a case housing the electrode assembly; and a safety member including a short circuit guide portion between the case and the electrode assembly, the short circuit guide portion including a plurality of holes and a connection portion electrically connecting the short circuit guide portion and the second electrode.

Abstract: 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.

Abstract: A cell has: a pole terminal placed on outside of a cell case; a deformed terminal fixing the pole terminal to the case by a base surface portion and a protruding portion; an inversion plate attached to the base surface portion and interrupting conduction between the internal terminal and the deformed terminal by inversion deforming away from the internal terminal at least at a portion when the internal pressure of the case increases beyond working pressure; and a shaft member having at least a part of the top portion placed in the protruding portion, and reestablishing conduction between the internal terminal and the deformed terminal after the inversion plate inverted by the top portion being pressed from the outside and thereby being moved inside the protruding section to press the inversion plate inward. A sealed space is provided between the deformed terminal and the inversion plate.

Abstract: An electrochemical storage cell is disclosed that comprises a core and a rectangular shell that receives the core snugly therein. The rectangular shell has first and second open ends. A first end cap is used to close the first open end. An anode terminal extends through the first end cap from an interior portion of the electrochemical storage cell to an external portion thereof. A first gasket is secured within the rectangular shell between the first end cap and the core to resiliently hold the core away from the first end cap. A second end cap is used to close the second open end. A cathode terminal extends through the second end cap from an interior portion of the electrochemical storage cell to an external portion thereof. A second gasket is secured within the rectangular shell between the second end cap and the core to resiliently hold the core away from the second end cap.

Abstract: A rechargeable battery including: an electrode assembly; a case having an opening to receive the electrode assembly; a cap plate covering the opening of the case; a terminal arranged at the cap plate and electrically connected to the electrode assembly; a current collecting member coupled to the electrode assembly and the terminal and including a fuse unit; and a supporting member coupled to the current collecting member and supporting the fuse unit.

Abstract: An energy storage system comprising at least one energy storage module adapted to supply electrical energy to a hybrid vehicle. The energy storage module comprises an enclosure, at least one battery array located within the enclosure, and an energy storage controller module located within the enclosure and electrically connected to the battery array. A high voltage junction box is attached to a first end of the enclosure and having a plurality of high voltage connection terminals connected by a plug-in bussed electrical center configured to reduce the possibility of unintentional grounding or shorting, and decreases the safety risk to a technician during servicing. At least one of the high voltage connection terminals is configured to receive a high voltage conductor connected between the energy storage module and an inverter of the hybrid vehicle.

Abstract: Disclosed herein is a battery module having a plurality of battery cells electrically connected to each other, the battery module including a voltage sensing unit including voltage sensing terminals electrically connected to electrode terminal connection portions of the battery cells and a conduction part connected to the voltage sensing terminals to transmit voltages detected by the voltage sensing terminals to a module control unit and a signal cutoff unit located between the voltage sensing terminals and the conduction part to interrupt transmission of the detected voltages when a short circuit occurs in the conduction part.

Abstract: A redox flow battery charged and discharged by supply of a positive electrode electrolyte stored in a positive electrode tank and a negative electrode electrolyte stored in a negative electrode tank to a battery element, in which the positive electrode electrolyte contains a Mn ion as a positive electrode active material, and the positive electrode tank includes a positive electrode charging pipe opening to a position close to a liquid level of the positive electrode electrolyte in the positive electrode tank, and a positive electrode discharging pipe opening to a position close to the bottom of the positive electrode tank. This redox flow battery can include a stirring mechanism for stirring the electrolytes in the tanks, and can include a connection pipe connecting the positive electrode tank to the negative electrode tank.

Abstract: A lithium thionyl chloride cell having, in a can, a cathode collector, a solution of lithium tetra-chloroaluminate (LiAlCl4) in thionyl chloride (SOCl2), and a lithium alloy anode. The lithium alloy anode has lithium and an alloy material selected from the group consisting of magnesium and aluminum. The composition of lithium in relation to the alloy material ranges from 95:5 to 50:50, by weight, such that the total capacity of the lithium plus the alloying material is greater than the capacity of the thionyl chloride and at the same time the capacity of the lithium alone is less than or equal to the capacity of the thionyl chloride.

Abstract: The present invention relates to a battery pack in which a plurality of unit modules consisting of battery cells are stacked, adjacently or in regular intervals, and electrode tabs are connected in series, and more specifically, to a battery pack including an overcurrent protector capable of preventing damage to each battery cell caused by a battery cell short circuit or overcurrent which flows in from a protection circuit by: connecting positive and negative electrode tabs of the battery cell with a voltage sensing line in order to sense the voltage of each battery cell; and installing a fuse in a connector which is arranged between the battery cell and the voltage sensing line and couples electrode tabs.

Abstract: 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.

Abstract: A cylindrical secondary battery makes it possible to perform measurement of a battery voltage, and discharge, and to detect presence or absence of an actuation of an inner pressure sensitive current cutoff mechanism even after a battery inner pressure rises to actuate a current cutoff mechanism. In a cylindrical secondary battery having a pressure sensitive cleavage portion and a pressure sensitive current cutoff mechanism in a can lid, the can lid has at least two metal portions A and B insulated from each other and exposed from a battery inner side to a battery outer side. The metal portion A is electrically connected to an electrode winding body; and the metal portion B is not electrically connected to the electrode winding body before cleavage of the pressure mechanism A, and is electrically connected to the electrode winding body when the pressure mechanism A is cleaved.

Abstract: A battery module is provided, including: a plurality of battery packs teach being provided with an anode terminal and a cathode terminal; a plurality of coupling units each having ends coupled to the anode terminal and the cathode terminal of an adjacent battery pack, respectively, to couple the plurality of battery packs in series; an operation unit that is provided on one end of the coupling unit and ascends in accordance with an increasing internal pressure of the battery pack to open a coupling between the one end of the coupling unit and the terminals of the battery pack by raising the one end of the coupling unit; and a bypass unit having one end disposed over the one end of the coupling unit and the other end coupled to the other end of an adjacent coupling unit to maintain the other battery packs coupled in series, except for the battery packs the internal pressures of which have increased, when the one end of the coupling unit ascends by the operation unit.

Abstract: A bipolar secondary battery is provided with an electric power generating unit, a pair of terminal plates. The electric power generating unit includes a plurality of bipolar electrodes stacked on one another with an electrolyte layer disposed between the bipolar electrodes and separating the bipolar electrodes. Each of the bipolar electrodes includes a collector with a positive electrode active material layer formed on a first side surface of the collector, and a negative electrode active material layer formed on a second side surface of the collector. The first terminal plate is connected to a first stacking direction facing end of the electric power generating unit. The second terminal plate is connected to a second stacking direction facing end of the electric power generating unit. At least one of the terminal plates includes an electric current suppressing device that suppresses an electric current occurring when an internal short circuit occurs in the electric power generating unit.

Abstract: A non-aqueous electrolyte secondary battery has a positive electrode, a negative electrode, a non-aqueous electrolyte solution containing a gas-forming additive, and a current interrupt device. The gas-forming additive includes a first additive and a second additive. The first additive is bicyclohexyl, and the second additive is at least one compound selected from the group consisting of biphenyl, cyclohexylbenzene, o-terphenyl, m-terphenyl and p-terphenyl.

Abstract: The invention relates to a HV-battery, in particular a traction battery for a vehicle, having a plurality of cell modules which each comprise a plurality of cells, wherein each cell module is assigned a controller for cell monitoring and/or for cell balancing, wherein the controllers are connected to a battery management control device for communication or open-loop control and/or closed loop control purposes, wherein the HV-battery is of modular construction by configuring the cell modules as plug-in modules that are detachably mountable or can be mounted to a printed circuit board.

Abstract: The disclosure relates to a method for detecting a triggering of a security device. The security device is associated with a battery cell and is triggered if a security-critical situation is present in the battery cell. Initially an actual time path of a parameter of the battery cell is detected. At the same time, an expected time path of the parameter is determined, in particular using a model. Then, the actual time path is compared to the expected time path of the parameter. Finally, based on the comparison, it is determined whether to trigger the security device or not.

Abstract: Disclosed is an apparatus for preventing overcharging of a battery. More specifically, a cell module in which cells are configured to be stacked and a plurality of cells are connected through electrode terminals and a fixing rod disposed between the cells is provided. A pressure plate, which is installed on the fixing rod to provide the appropriate reactive force, and an elastic member disposed on the side of the second end of the pressure plate is installed to provide elastic force to the pressure plate. The pressure plate is see-sawingly-rotated when the cell is expanded over a predetermined pressure accordingly to cut-off the power to the battery when the pressure within the battery exceeds the predetermined threshold.

Abstract: A battery terminal includes a housing, a bus bar, a first connector, a second connector and a current detector. The housing is made by resin. The bus bar is integrally provided with the housing. The first connector is provided on the bus bar and is adapted to be connected with a battery. The current detector is provided on the bus bar. The second connector is provided on the bus bar. The second connector is adapted to be connected with a harness, and is disposed at a position offset from a straight line passing the first connector and the current detector.

Abstract: Battery assemblies are disclosed which may include a plurality of battery cells positioned in 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.

Abstract: A current interrupting device of a sealed battery includes a conductive member that is electrically connected to an external terminal of a battery case; a collector terminal that is arranged inside the battery case; and a reversing plate that is interposed between the conductive member and the collector terminal, and that electrically cuts off the conductive member from the collector terminal by deforming in response to an increase in pressure inside the battery case. An inner peripheral surface of the conductive member is joined to an outer peripheral surface of the reversing plate. An upper surface of the reversing plate does not contact the conductive member regardless of an activation of the current interrupting device.

Abstract: A current interrupting device of a sealed battery includes a conductive member that is electrically connected to an external terminal arranged on an outside portion of a battery case; and a reversing plate that is electrically connected to a collector terminal arranged inside of the battery case, and that electrically cuts off the conductive member from the collector terminal by deforming in response to an increase in pressure inside of the battery case. The current interrupting device is attached to an outside portion of the battery case.

Abstract: Disclosed are a separator for a battery and a battery. The separator includes a porous film, a first roller, and a second roller. The first and second rollers are associated with both ends of a porous film. The first roller is wound with a portion of the porous film and is configured to rotate to unroll the film. The second roller is configured to rotate in an opposite direction to a rotary direction of the first roller to roll up the film.

Abstract: Disclosed herein is a battery pack including a battery cell, an insulative mounting member coupled to the battery cell in a specific coupling structure, a positive temperature coefficient (PTC) element having a lower connection plate directly coupled to the battery cell while the lower connection plate is not bent, and an insulative cap, whereby the number of the members for electrical connection and electrical insulation is reduced, with the result that the assembly process of the battery pack is greatly simplified, the dead space is reduced, with the result that the capacity of the battery in the same-sized battery pack is maximized, and the structural stability of the battery pack against an external force is improved.

Abstract: A non-aqueous electrolyte secondary battery has a positive electrode, a negative electrode, a non-aqueous electrolyte solution containing a gas-forming additive, and a current interrupt device. The current interrupt device is configured to interrupt a current of the non-aqueous electrolyte secondary battery in response to a rise of internal pressure in the non-aqueous electrolyte secondary battery. The gas-foiming additive includes cyclohexylbenzene and at least one terphenyl selected from the group consisting of o-terphenyl and m-terphenyl.

Abstract: A topology is described in which each pair of cells in a string shares a single inductor. Switches permit the single inductor to selectively charge one or the other of the cells. In a variant of the topology, the inductor together with additional switches permit selectively charging multiple cells simultaneously (even one or both cells simultaneously in a pair of cells), drawing upon either an external energy source or upon one or multiple other cells in the string. In this way the number of inductors is minimized while providing isolation among the charging circuits.

Abstract: Converter cell having at least one particularly rechargeable electrode assembly, that is designed to at least temporarily supply electrical energy particularly to a consumer, which has at least two electrodes of different polarity, with at least one current conducting device, which is designed to be electrically, preferably materially connected to one of the electrodes of the electrode assembly, with a cell housing with a first housing section, wherein the first housing section is designed to at enclose at least areas of the electrode assembly.

Abstract: A vehicle having a traction battery disposed within a battery housing is provided. The battery housing is in selective fluid communication with the cabin of the vehicle. An accessory battery separate and distinct from the traction battery is also provided. A closeable barrier system is electrically connected with the accessory battery and is configured to fluidly isolate the battery housing from the cabin when closed. At least one controller is configured to, in response to a trigger condition, disable the traction battery and increase an output of the accessory battery to close the barrier system to isolate gas in the battery housing from the cabin.

Abstract: An assembly includes a plurality of energy storage components. An energy storage component is electrically coupled to at least two other energy storage components of the plurality by at least two electrical pathways, each including a fusible link. The at least two electrical pathways may be formed in a circuit board. The energy storage component may be coupled to the circuit board by a fusible link.

Abstract: The invention provides in various embodiments methods and systems relating to controlling energy storage units in flowing electrolyte batteries.

Abstract: A structure for attaching a service plug includes an insulating substrate that has openings facing electrodes of a pair of adjacent batteries among a plurality of batteries in a battery module, a pair of connection terminals that are respectively connected to electrodes of the pair of adjacent batteries through the insulating substrate by bolting with nuts, a pair of electric wires whose one ends are connected to the connection terminals respectively, and a connector that is connected to the other ends of the pair of electric wires, and detachably connected with the service plug. The insulating substrate has protrusions which are abutted against the connection terminals respectively, and regulate movement of the connection terminals which simultaneously rotate with rotation of the nuts respectively when being bolted with the nuts.

Abstract: A battery module includes a battery cell stack having a plurality of battery cells or unit modules connected in series and/or in parallel to each other in a state in which the battery cells or the unit modules are stacked in the lateral direction. The battery cell stack is provided at the front thereof with bus bars to connect electrode terminals of the battery cells to external input and output terminals. Voltage sensing members are provided at ends thereof with connection terminals electrically connected to electrode terminal connection parts of the battery cells to sense voltages of the battery cells or the unit modules. An upper case is provided with mounting parts, in which the voltage sensing members are mounted. A lower case is coupled to the upper. The lower case is provided at the front thereof with external input and output terminals.

Abstract: A secondary battery, including a bare cell provided with coupling portion, a protection circuit module provided with a circuit board, and connecting member electrically connecting the bare cell to the protection circuit module. The coupling portion has a contact recess. The protection circuit module is adapted to control the charging/discharging of the bare cell. the connecting member has a bare cell connecting portion. The bare cell connecting portion has an insertion portion inserted into the contact recess.

Abstract: A secondary battery includes a case having positive and negative electrodes, a safety device attached to a surface of the case and having a resistance value which changes during swelling of the case, and a protective circuit module attached to a side of the case while being electrically connected to the safety device. The resistance value of the safety device changes as the case swells, and the protective circuit module reduces or interrupts charging/discharging currents in response thereto. The safety device can be used for all secondary batteries regardless of capacity, can quickly react against abruptly rising internal temperature and rapid swelling, and can stably prevent swelling which occurs above an allowable temperature.

Abstract: A lithium-ion secondary battery having a positive electrode capable of occluding and releasing lithium ions, a negative electrode capable of occluding and releasing lithium ions, a separator interposed between the positive electrode and the negative electrode, an electrolytic solution, and a current breaking mechanism that activates in response to the rise of the battery's internal pressure, wherein the electrolytic solution is incorporated with an aromatic compound and the separator is incorporated with a carbon dioxide gas generating agent which is represented by the formula AxCO3 or AyHCO3. It is highly responsive to overcharging owing to the current breaking mechanism attached thereto which activates in the early stage of overcharging. Therefore, it exhibits high battery performance as well as high safety in the case of overcharging.

Abstract: A highly reliable protection element for a storage battery is provided. A protection element includes a low melting point metal body and heater elements. The low melting point metal body is connected to a charger side line and a storage battery side line of a charge/discharge circuit. The heater element is connected to the storage battery side line and a switch, and the heater element is connected to the charger side line and a switch. When the switches are operated, a voltage that is not affected by a voltage drop of the low melting point metal body is applied to one of the heater elements, so that the low melting point metal body can be reliably fused.

Abstract: A battery system includes a battery module that has a plurality of batteries which are provided with release portions each for releasing internal gas when an internal pressure is increased, and an exhaust portion which is provided with an opening portion and guides gas released from the release portions to the opening portion, a non-resettable switch element which is provided at a position where the guided gas passes in a vicinity of the opening portion, and is changed from a first state preset as one of an opened state and a closed state into a second state as the other one of the opened state and the closed state when a preset reference temperature or higher is reached, and a high-temperature abnormality determination unit which determines that the battery module has an abnormality when the switch element is in the second state.

Abstract: 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.

Abstract: A battery (e.g., lithium-ion) cell having fewer components than conventional cells. A metallic housing, having a winding element, two current collectors, and an electrolyte, is closed off in a gas- and pressure-tight manner with a cover assembly having a cover plate by which a housing opening is largely closed off. A click spring area (formable in this plate) has a smaller thickness than surrounding areas of the plate, and can snap from a first state, in which the click spring area is bent inwardly into the housing, into a second state in which the click spring area is bent outwardly from the housing when a threshold internal pressure in the housing is exceeded, and establishes an electrical connection between the plate and a current collector. When there is a pressure rise in the housing due to temperature, for example, the battery cell may be deactivated in a targeted manner.

Abstract: A rechargeable battery includes an electrode assembly having a first electrode plate, a second electrode plate, and a separator between the first electrode plate and the second electrode plate; a first collecting plate electrically coupled to the first electrode plate, the first collecting plate including a fuse reinforcement part having a fuse opening and a reinforcement protrusion protruding from a periphery of the fuse opening; a case housing the electrode assembly and the first collecting plate; and a cap assembly coupled to the case and comprising a cap plate.

Abstract: Disclosed is a current diverting device adapted to be electrically connected with a battery pack arranged to power a machine including at least a first operating unit. The battery pack includes a positive and a negative pole and a plurality of battery cells interconnected between the poles such that at least two battery cells are connected in series for providing a higher battery pack voltage level, and is further arranged to feed electricity to the at least one first operating unit via the battery poles. Also disclosed is a method and a computer program product.

Abstract: The invention relates to a method for producing a construction component for a vehicle having a composite structure, in particular a hollow cell structure, wherein the composite structure comprises at least one receptacle. The method comprises the step of weaving an electrochemical cell, in particular a flat electrochemical cell, into the at least one receptacle of the construction component or the step of weaving a number of electrochemical cells, in particular a number of flat electrochemical cells, into the least one receptacle of the construction component. Weaving in a number of electrochemical cells can be carried out in such a manner that the number of the electrochemical cells in the at least one receptacle of the construction component forms an electrically connected arrangement, which forms a power supply unit in an electrical and/or electronic and/or control sense.

Abstract: A solid secondary battery system includes a solid secondary battery including a positive electrode active material layer, a negative electrode active material layer and a solid electrolyte layer formed between the positive electrode active material layer and the negative electrode active material layer; a heater for warming the solid secondary battery; an over-discharge process unit configured to perform over-discharge process of the solid secondary battery; and a control unit configured to warm the solid secondary battery by means of the heater and/or to make the over-discharge process unit perform the over-discharge process of the solid secondary battery after the warming.

Abstract: The present invention is an apparatus for protecting a secondary battery, in which, when the secondary battery such as a lithium-ion secondary battery is exposed to high temperature exceeding a working range due to a change in external environment, external impacts, and so on, or heated due to spontaneous generation of heat caused by internal defects, the secondary battery is discharged. The apparatus includes a thyristor or transistor having an anode and a cathode connected both terminals of the secondary battery respectively, and shorting both terminals of the secondary battery when gate current is supplied, and a temperature sensor detecting temperature of the secondary battery and supplying the gate current to the thyristor or transistor when the detected temperature is higher than predetermined temperature.