Abstract: A battery assembly for an aircraft includes a cold plate having an upper planar member, a lower planar member, and at least one fluid channel positioned between the upper and lower planar members and configured to receive a cooling fluid. The battery assembly also includes an upper battery mounted to the upper planar member for transferring heat from the upper battery to the cooling fluid through the upper planar member. The battery assembly further includes a lower battery mounted to the lower planar member for transferring heat from the lower battery to the cooling fluid through the lower planar member.

Abstract: A hydrogen storage system includes a pressure-sealed sleeve defining an interior and having an outlet, a shaft extending through the interior of the sleeve, a set of porous chambers arranged axially along and concentric to the shaft, and a hydrogen storage, wherein at least some hydrogen gas is supplied to the outlet.

Abstract: A battery thermal management system and method are provided. The system includes: a battery, a battery thermal exchange structure, a pump, at least one first valve and one or more thermal adjustment components, wherein the battery thermal exchange structure includes a thermal exchange channel passing through the battery, and has a first port and a second port; a first coolant circulation loop is formed via connecting the pump and the battery thermal exchange structure, and a second coolant circulation loop is formed via connecting the pump, the battery thermal exchange structure and the one or more thermal adjustment components; the first valve is set at each or one of two joint locations between the first coolant circulation loop and the second coolant circulation loop and is configured to direct coolant flowing through the first valve into either the first coolant circulation loop or the second coolant circulation loop.

Abstract: A battery module according to an embodiment of the present invention includes: a battery stack in which a plurality of battery cells including a cathode tab and an anode tab are stacked; a first bus bar assembly including a first bus bar connecting cathode tabs and anode tabs located at one end of the battery stack; and a second bus bar assembly including a second bus bar connecting cathode tabs and anode tabs located at the other end of the battery stack. The first bus bar assembly or the second bus bar assembly may include a venting part including at least one venting knife which protrudes from the first bus bar or the second bus bar toward the battery cell, such that stability of the battery module may be improved.

Abstract: A battery stack structure includes a battery stack, a passage, a junction box, and a bus bar. The battery stack includes spaced battery cells. The passage is adjacent to a first side of the battery stack. The passage allows air to flow in the passage before the air cools the battery stack. The junction box is adjacent to a second side of the battery stack. The junction box allows the air to flow in the junction box after the air has cooled the battery stack. The junction box contains an electronic device. The bus bar is contained in the junction box and is electrically and thermally coupled to the electronic device. The bus bar allows passing of current. The direction of the flow of the air flowing from the battery stack faces a major surface of the bus bar.

Abstract: A heater control system for a battery pack and a method for the same in accordance with the present invention relate to a system and a method for the same in which according to temperature deviations generated during heating operations of heaters provided in each battery pack, between battery packs and cells included in the battery packs, each heater is individually controlled to allow the battery packs and the battery cells therein to be heated to a uniform temperature state.

Abstract: A battery is provided having heat transfer bars that directly transfer heat between the interior layers of a battery cell and the case that encloses the battery cell. The battery does not transfer significant heat from its interior layers to the posts of the battery that reside outside of the battery case. A temperature-controlled power system also is provided that uses multiple, active thermoelectric devices paired with multiple batteries to provide individual temperature control of the individual batteries forming the power system. The multiple, active thermoelectric devices preferably transfer heat to a single radiator on each side of the power system. A method of transferring heat from a battery interior using conductive, active, and convective heat transfer is also described.

Abstract: A power tool system includes a first and second power tools with different rated-voltages and a battery pack supplying power to the corresponding power tool. The battery pack has a battery module with two battery cell groups and a female connector having four conductive terminals respectively connected to positive and negative electrodes of two battery cell groups. The female connector has a converter switching the connection of two battery cell groups between parallel connected state to isolated connected state through connecting or disconnecting two conductive terminals with same polarity together. The first power tool includes a first male connector connected to the female connector to connect two battery cell groups in series through connecting two conductive terminals with different polarities together. The second power tool has a second male connector coupled to the female connector to connect two battery cell groups in parallel through connecting two conductive terminals with same polarity together.

Abstract: The present invention provides an electrolyte solution for a non-aqueous electrolyte solution battery capable of exhibiting excellent high-temperature cycle characteristics and excellent high-temperature storage characteristics at high temperature of 60° C. or above, and a non-aqueous electrolyte solution battery using the same. The electrolyte solution for a non-aqueous electrolyte solution battery of the present invention comprises at least: a non-aqueous solvent; a solute; at least one first compound represented by the following general formula (1); and at least one second compound represented by the following general formula (2).

Abstract: Particularly, there is provided a liquid detection sensor in which a liquid contact area is formed integrally with a separator, and that improves detection accuracy with a small number of parts. A liquid detection sensor (1) according to the present invention includes a metal-air battery (2) formed by laminating a negative electrode sheet (3), a positive electrode sheet (5) and a separator (4) interposed between the negative electrode sheet (3) and the positive electrode sheet (5), and the separator (4) is formed wider than an area in which the positive electrode sheet (5) and the negative electrode sheet (3) overlap with the separator (4) interposed therebetween, and includes a liquid contact area (4?) exposed from at least one of the positive electrode sheet and the negative electrode sheet.

Abstract: A battery pack having improved heat dissipation performance is provided. A battery pack includes battery cells; a module accommodating the battery cells and including heat dissipation members located between neighboring battery cells of the battery cells; and a duct to supply the module with coolant or absorb coolant from the module, and each of the heat dissipation members has a first region and a second region opposite to the first region, the first region having a smaller height than the second region to establish a path of the coolant.

Abstract: A battery module can include multiple cell tubes, a first conductive plate, and multiple first spacers. The multiple cell tubes can accommodate multiple battery cells within the multiple cell tubes so that individual of the multiple battery cells are positioned within individual of the multiple cell tubes. The first conductive plate can include multiple first holes and electrically connect first terminals of the multiple cells. The multiple first spacers can be mounted in the multiple first holes and support the multiple tubes and the multiple cells with respect to the first conductive plate, the multiple first spacers being configured to provide thermal and electrical isolation between the multiple battery cells and the first conductive plate.

Abstract: Multi-phase electrochemical cells and related systems and methods are generally described.

Abstract: Systems and methods for multiple carbon precursors for enhanced battery electrode robustness may include an electrode having an active material, the active material including two or more carbon precursor materials, wherein the carbon precursor materials have different pyrolysis temperatures. A battery may include the electrode. The carbon precursor materials may include polyimide (PI) and polyamide-imide (PAI). The active material may be pyrolyzed at a temperature such that a first carbon precursor material is partially pyrolyzed and a second carbon precursor material is completely pyrolyzed. The carbon precursor materials may include two or more of PI, PAI, carboxymethyl cellulose (CMC), styrene-butadiene rubber (SBR), polyacrylonitrile (PAN), and sodium alginate. The active material may include silicon constituting at least 50% of weight of a formed anode after pyrolysis. The active material may include silicon constituting up to 97% of weight of a formed electrode after pyrolysis.

Abstract: A battery pack includes: a battery stack; a housing that houses the battery stack; and a skeleton part that is housed in the housing and reinforces the housing. The skeleton part includes a stem extending in a first direction, a plurality of branch portions that protrude from the stem and are arranged in a row in the first direction, and a plurality of housing spaces, each of the housing spaces being defined by a pair of branch portions disposed adjacently to each other and housing the battery stack. The stem and the plurality of branch portions are fixed to the housing.

Abstract: A battery wherein a first housing element (2) forms a first temperature-control structure (101) on a side averted from the interior space (5), wherein a second housing element (3) forms a second temperature-control structure (102) on a side averted from the interior space (5), and a cover element (100) is connected to the second housing element (3) such that the cover element (100) delimits a temperature-control fluid receptacle (112), which can be flowed through by temperature-control fluid, and the second temperature-control structure (102) is formed such that it can be flowed around by the temperature-control fluid, wherein the cover element (100) is formed in a planar configuration from a metal or has a deformed portion for accommodating a second element (9) of the battery controller.

Abstract: A secondary battery pack includes a plurality of cylindrical battery cells arranged in one direction and having electrode terminals respectively formed at one end and the other end thereof; a connection plate configured to electrically connect the plurality of cylindrical battery cells with each other; a pack housing having an inner space in which the plurality of cylindrical battery cells are mounted so that the electrode terminals are located in a horizontal direction; a thermally conductive resin interposed between an inner surface of the pack housing forming the inner space and an outer surface of the plurality of cylindrical battery cells; and a cell frame configured to surround an upper portion of the plurality of cylindrical battery cells and at least a portion of outer surfaces of both ends of the plurality of cylindrical battery cells at which the electrode terminals are formed, the cell frame having an opening through which the electrode terminals are exposed out, the cell frame having a coating pre

Abstract: A battery pack includes a case and a battery module. The case includes an accommodating cavity and a drain hole in communication with the accommodating cavity. The battery module is mounted inside the accommodating cavity. A reservoir cavity is provided below the battery module to store a liquid, and in communication with the drain hole. A reservoir cavity is provided, such that the liquid can flow into a reservoir portion to prevent dangers such as short-circuit occurring in the battery module inside the case, and optimize the structure and performance of the battery pack when liquid is accumulated inside the case.

Abstract: Electrolytes and electrolyte additives for energy storage devices comprising thiophene compounds are disclosed. The energy storage device comprises a first electrode and a second electrode, wherein at least one of the first electrode and the second electrode is a Si-based electrode, a separator between the first electrode and the second electrode, an electrolyte, and at least one electrolyte additive selected from a thiophene compound. In some embodiments, the thiophene compound is a terthiophene or a thiophene oligomer.

Abstract: The present application provides a battery pack. The battery pack comprises a case, a cavity structure being provided in the bottom of the case; and a plurality of battery cells, the plurality of battery cells being stacked at the bottom of the case, and an end surface, facing the bottom of the case, of each of the battery cells being provided with an explosion-proof valve, wherein a structural layer, facing the explosion-proof valve, of the bottom of the case is provided with a weak area, and gas in the battery cell during thermal runaway of any battery cell may be collected via the weak area into the cavity structure and then is discharged.