Abstract: A system for a battery of a car is provided. The system includes a battery assembly having a first battery module and a second battery module, relays installed between contact points connected with respective terminals of the first battery module and the second battery module and controlling power supply from a driving motor of the car, a converter converting voltage input from the first battery module and the second battery module and supplying the converted voltage to a low-voltage electronic product, an energy storage part connected to an output terminal of the converter, and a battery management part controlling the same.

Abstract: Provided is a lithium secondary battery including a positive electrode layer composed of a lithium complex oxide sintered body, a negative electrode layer composed of a titanium-containing sintered body, a ceramic separator interposed between the positive electrode layer and the negative electrode layer, an electrolyte with which at least the ceramic separator is impregnated, and an exterior body comprising a closed space, the closed space accommodating the positive electrode layer, the negative electrode layer, the ceramic separator, and the electrolyte. The positive electrode layer, the ceramic separator, and the negative electrode layer form one integrated sintered plate as a whole, whereby the positive electrode layer, the ceramic separator, and the negative electrode layer are bonded together.

Abstract: Provided is an ion-conductive solid electrolyte compound, as a crystalline oxide, including a stoichiometric formula of “Ax(M2TO8)y”. In the stoichiometric formula, A is a cation having an oxidation state of +1, M is a cation having an oxidation state of +4, +5, or +6, T is a cation having an oxidation state of +4, +5, or +6, and x and y are each independently a real number greater than 0, wherein x is equal to or less than 3y. The ion-conductive solid electrolyte compound has a high ionic conductivity and a low electronic conductivity.

Abstract: A main object of the present disclosure is to provide an all solid state battery capable of decreasing the heating value. The present disclosure achieves the object by providing an all solid state battery comprising a cathode layer, an anode layer, and a solid electrolyte layer formed between the cathode layer and the anode layer, and the cathode layer includes a complex cathode active material containing a spinel type active material, and a lithium oxide layer coating a surface of the spinel type active material; and a halide solid electrolyte containing an X element wherein X is a halogen, as a main component of an anion, and the anode layer includes a Si based anode active material.

Abstract: A bus bar has: a first joint part connected to an output terminal of the first cell; a second joint part connected to an output terminal of the second cell; and a projection that is disposed between the first joint part and the second joint part and protrudes in a stacking direction in which the cells and the bus bar are stacked. The projection has a first inclined part extending from the first joint part and has a second inclined part extending from the second joint part. The first inclined part and the second inclined part are arranged in such a manner that the first inclined part and the second inclined part are aligned with a predetermined interval W and that the predetermined interval gradually becomes wider from a first end side toward a second end side.

Abstract: A battery module according to an embodiment of the present disclosure includes a battery cell stack in which a plurality of battery cells are stacked; a casing configured to surround the battery cell stack; and a heat transfer member to cool or heat the battery cells. The heat transfer member is disposed between any two adjacent battery cells of the battery cell stack. The heat transfer member is spaced apart from the battery cells and is configured to move into contact with the battery cells to cool or heat the battery cells.

Abstract: An anode including a current collector and an anode active material layer on the current collector are provided. The anode active material layer includes first oriented particles having a first tilt angle ?1 inclined with respect to the direction of the current collector, and second oriented particles having a second tilt angle ?2 inclined with respect to the direction of the current collector. The first tilt angle ?1 and the second tilt angle ?2 are different and both not greater than 70°.

Abstract: Provided are passivation layers for batteries. The batteries may be aqueous aluminum batteries. The passivation layer may be disposed on a portion of or all of a surface or surfaces of an anode, which may be an aluminum or aluminum alloy anode. The passivation layer is bonded to the surface of the anode. The passivation layer may be an organic, nitrogen-rich material and inorganic Al-halide rich or Al-nitrate rich material. The passivation layer may be formed by contacting an aluminum or aluminum alloy substrate, which may be aluminum or aluminum alloy anode, with one or more aluminum halide and one or more ionic liquid.

Abstract: The present application relates to a battery module and a battery pack, the battery module including a battery cell arrangement structure, bus bars and a fixing plate, where the battery cell arrangement structure includes a plurality of battery cells; the plurality of battery cells are electrically connected by means of a plurality of the bus bars to form a first output electrode of the battery module and a second output electrode of the battery module, and the first output electrode of the battery module and the second output electrode of the battery module are arranged at a same end of the battery module along a horizontal direction; the fixing plate is provided with an insulating portion, and at least a part of the insulating portion is located between the first output electrode of the battery module and the second output electrode of the battery module.

Abstract: A top cover assembly of a battery cell, a battery cell, and a battery module. The top cover assembly of the battery cell includes: a separator plate and a top cover assembly. The separator plate is provided with sampling channel(s) for accommodating a sampling member. The top cover plate is configured for sealing an electrode assembly of the battery cell into the battery housing, where the top cover plate is provided below the separator plate, and the separator plate is fixed to the top cover plate.

Abstract: An electrode configuration for a battery cell includes a positive electrode, a negative electrode, and a separator interposed between the positive electrode and the negative electrode. The separator includes an electrically conductive protrusion inhibiting layer and a first insulating layer interposed between and electrically insulating the protrusion inhibiting layer from one of the positive and negative electrode.

Abstract: A method is provided for operating a lithium ion battery having at least one lithium ion cell and a heating device, the method includes a step of operating the lithium ion battery in a temperature range between 5 and 90° C. The heating device is designed to operate the lithium ion battery in a temperature range between 5 and 90° C. The lithium ion cell includes an anode, a cathode, a separator, a current collector and an electrolyte. The electrolyte can contain LiBOB as the conducting salt and at least one solvent selected from propylene carbonate and ethylene carbonate; or having LiFSI and/or LiDFOB as the conducting salt and at least one solvent selected from glycol ether and/or DMC; or having LiFSI and/or LiTFSI and/or LiDFOB and/or LiTDI as the conducting salt and at least one solvent selected from imidazolium compounds, pyrrolidinium compounds and piperidinium compounds.

Abstract: The disclosed exemplary apparatuses, systems and methods may provide a self-heating battery circuit, that comprises: a high voltage battery having terminals, and a parasitic internal resistance (R1) and a parasitic terminal inductance (L1); a resonant circuit connected across the battery terminals suitable to generate high alternating currents about its resonant frequency, fr; an energy superposition unit connected across a capacitance of the resonant circuit, and including a switch (K1), wherein K1 is switched on and off at the resonant frequency, fr, and at a first duty cycle pursuant to a switch control signal, thereby generating a high alternating current through the high voltage battery.

Abstract: A vanadium sodium phosphate positive electrode material, a sodium ion battery, and a preparation method therefor and application thereof. The preparation method of the vanadium sodium phosphate positive electrode material comprises the following steps: (1) reacting an aqueous solution containing a vanadium source with a phosphorus source, a reducing agent, a sodium source, and a carbon source, the reaction comprising first performing a reaction of an aqueous solution of the vanadium source and the phosphorus source, and then perform a reaction with the reducing agent, or first performing a reaction of the aqueous solution of the vanadium source with the reducing agent and then performing a reaction with the phosphorus source; (2) drying and calcining the reaction liquid obtained in step (1). The vanadium sodium phosphate positive electrode material has a high dispersibility, and has stable circulation performance when used in a battery.

Abstract: A stack current controller may be configured to determine a stack current request based on a state of charge of a battery, an error based on a difference between an actual coolant temperature and a coolant temperature setpoint, or both. A plurality of stack current levels may be implemented corresponding to different battery state-of-charge thresholds. The determined stack current magnitude may be the lowest current magnitude that provides sufficient heat to maintain a coolant temperature at the coolant temperature setpoint or within the coolant temperature threshold. The determined stack current magnitude may be the highest current magnitude that provides sufficient power while maintaining a coolant temperature at the coolant temperature setpoint or within the coolant temperature threshold.

Abstract: A method is provided for producing an electrochemically active unit that includes a membrane and at least one assembly, which includes a gas diffusion layer and a sealing element produced on the gas diffusion layer. The method is reliably performable with less expenditure on process apparatuses and process time and includes the following: producing the sealing element on the gas diffusion layer; connecting the sealing element and/or the gas diffusion layer to a support element; and assembling the membrane and the at least one assembly, which includes the gas diffusion layer and the sealing element, to form the electrochemically active unit.

Abstract: A highly safe power storage system is provided. If n (n is an integer over or equal to three) secondary batteries are used in a vehicle such as an electric vehicle, a circuit configuration is used with which the condition of each secondary battery is monitored using an anomaly detection unit; and if an anomaly such as a micro-short circuit is detected, only the detected anomalous secondary battery is electrically separated from the charging system or the discharging system. At least one microcomputer monitors anomalies in n secondary batteries consecutively, selects the anomalous secondary battery or the detected secondary battery which causes an anomaly, and gives an instruction to bypass the secondary battery with each switch.

Abstract: A battery monitoring device includes: a pair of terminals for measuring voltage or current of a battery, and to which a filter unit including a capacitive element is connected; an AD converter that measures a waveform of voltage between the terminals during charging or discharging of the capacitive element; and a time constant calculation unit that calculates a time constant of the filter unit based on the waveform measured. The AD converter is, for example, a first AD converter or a second AD converter. The filter unit is, for example, a first filter unit or a second filter unit.

Abstract: A battery module includes: a battery cell stack in which a plurality of battery cells are stacked, each battery cell of the plurality of battery cells including a portion of a battery case body extended outward as a cell terrace, a busbar frame connected to the battery cell stack, electrode leads protruding from the cell terraces, respectively, of the plurality of battery cells, and a partition wall disposed between immediately adjacent electrode leads and formed on the busbar frame, the partition wall located between the cell terrace protruding from an outermost battery cell of the plurality of battery cells in the battery cell stack and the cell terrace protruding from the battery cell immediately adjacent to the outermost battery cell.

Abstract: Devices, systems, methods, computer-implemented methods, and/or computer program products to facilitate an intelligent battery cell with integrated monitoring and switches are provided. According to an embodiment, a device can comprise active battery cell material. The device can further comprise an internal circuit coupled to the active battery cell material and comprising: one or more switches coupled to battery cell poles of the device; and a processor that operates the one or more switches to provide a defined value of electric potential at the battery cell poles.