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.

Abstract: Provided in embodiments of the disclosure are a battery heat adjustment circuit and method, a storage medium and an electronic device. The circuit includes a battery pack, the battery pack including at least two battery blocks, and each battery block including one or more battery cells; a first controller, respectively connected to partial battery blocks included in the battery pack, and configured to detect a state of partial battery blocks included in the battery pack and control, based on a state detection result, partial battery blocks included in the battery pack to discharge; and a heat adjustment loop, connected to the first controller, and configured to respectively adjust, by using electric energy released by partial battery blocks included in the battery pack, heat of partial battery blocks included in the battery pack. By means of the disclosure, the problems that heating and heat balance of zones in the battery may not be simultaneously solved in the relevant art is solved.

Abstract: Articles and methods including layers for protection of electrodes in electrochemical cells are provided. As described herein, a layer, such as a protective layer for an electrode, may comprise a plurality of particles (e.g., crystalline inorganic particles, amorphous inorganic particles). In some aspects, at least a portion of the plurality of particles (e.g., inorganic particles) are fused to one another. For instance, in some aspects, the layer may be formed by aerosol deposition or another suitable process that involves subjecting the particles to a relatively high velocity such that fusion of particles occurs during deposition. In some cases, the protective layer may be porous.

Abstract: An energy storage container ventilation system and an energy storage container are provided according to the present disclosure. The ventilation system includes an air conditioner, an air duct, and multiple columns of battery racks, and each battery rack includes multiple lines of battery boxes, and an air outlet of the air conditioner is communicated with the air duct, a communicating part of each battery box and the air duct is provided with a ventilation plate with the same structure or different structures. The energy storage container ventilation system of the present disclosure uses an air conditioner to dissipate heat. Ventilation plates are provided at communicating parts of the air duct and each battery box. The structure of each ventilation plate is the same or different, so as to control an air intake volume flowing into each battery box.

Abstract: A catalyst layer comprising an interface to a polyelectrolyte membrane, the catalyst layer includes a layer forming material, which includes a catalytic substance, a conductive carrier which supports the catalytic substance, a polyelectrolyte, and a fibrous material, and a plurality of pores which contain no layer forming material. A pore area ratio which is a total area ratio of the plurality of pores to an area of a cross-section orthogonal to the interface is 25.0% or more and 35.0% or less in a cross-sectional image captured by a scanning electron microscope.

Abstract: Electrodes are formed with a porous layer of particulate electrode material bonded to each of the two major sides of a compatible metal current collector. In one embodiment, opposing electrodes are formed with like lithium-ion battery anode materials or like cathode materials or capacitor materials on both sides of the current collector. In another embodiment, a battery electrode material is applied to one side of a current collector and capacitor material is applied to the other side. In general, the electrodes are formed by combining a suitable grouping of capacitor layers with un-equal numbers of anode and cathode battery layers. One or more pairs of opposing electrodes are assembled to provide a combination of battery and capacitor energy and power properties in a hybrid electrochemical cell. The cells may be formed by stacking or winding rolls of the opposing electrodes with interposed separators.

Abstract: A power storage device includes a plurality of power storage modules laminated, a conductive plate and a sealing member. The conductive plate and the sealing member are provided between the power storage modules adjacent to each other in a laminating direction of the power storage modules. The plurality of power storage modules each have an electrode laminate, an electrolytic solution, and a sealing body. The electrode laminate has electrode exposed portions exposed from the sealing body at one end and the other end in the laminating direction. Between the power storage modules adjacent to each other in the laminating direction, the conductive plate is disposed between the electrode exposed portions opposing each other to be in contact with the electrode exposed portions, and at least a portion between the sealing bodies opposing each other is filled with the sealing member.

Abstract: A lithium-sulfur battery cathode including conductive porous carbon particles vacuum infused with sulfur and a conductive collector substrate to which the sulfur infused porous carbon particles are deposited. The sulfur infused carbon particles are encapsulated by an encapsulation polymer, the encapsulation polymer having ionic conductivity, electronic conductivity, polysulfide affinity, or combinations thereof. A lithium-sulfur battery including the lithium-sulfur battery cathode, a lithium anode and an electrolyte disposed between the sulfur cathode and the lithium anode is also provided. Methods of producing the sulfur cathode for use in a lithium-sulfur battery by a hybrid vacuum-and-melt method are also provided.

Abstract: A secondary battery pack comprises a battery and a protection circuit module (PCM), a pair of electrodes of the battery being connected to a protection circuit board (PCB) forming part of the PCM such that the electrode connections are located on a face of the PCB other than a major face that receives PCM components thereon. In some embodiments, the PCM components are mounted on one of a pair of major faces of the PCB, the electrode connections being located on the opposite one of the major faces. In other embodiments, the electrode connections are located on a peripheral edge face that extends transversely between the pair of major outer faces of the PCB. The spatial arrangement of the electrode connections and the PCM components on the PCB is such that substantially the entirety of one major outer face of the PCB is available for the placement of PCM components.

Abstract: A cooling manifold assembly that is configured to cool power modules in a vehicle includes a planar cooling chamber with a supply inlet and a return outlet; a supply chamber in an upper portion of the planar cooling chamber that is in fluid communication with the supply inlet and configured to couple to adjacent planar cooling chambers at the supply inlet; a return chamber in a lower portion of the planar cooling chamber that is in fluid communication with the return outlet and configured to couple to adjacent planar cooling chambers at the return outlet; and an opening at a distal end of the planar cooling chamber fluidly connecting the supply chamber with the return chamber.

Abstract: The invention relates to a casing for protecting at least one electric battery module (M), comprising at least one element (9) for thermal regulation of said at least one module (M) in which a heat-transfer fluid flows. According to the invention, the protective housing comprises at least one duct (10), for conveying heat-transfer fluid, that extends in at least one wall of the protective casing (B, 1, 2, 3, 4) and is in fluid connection with said at least one thermal regulation element (9).

Abstract: A secondary battery is provided. The secondary battery includes an electrode assembly including a negative electrode sheet, a positive electrode sheet, and a separation membrane; and a heat radiation tape disposed at an external circumferential surface of the electrode assembly. The heat radiation tape includes a heat diffusion layer, and the heat diffusion layer includes at least one of graphite and a metal foil.

Abstract: A method for producing a high-voltage energy storage device which is designed for storing electric energy, for a motor vehicle, in which storage modules are at least partially arranged in a receptacle space of a storage box of the high-voltage energy storage device, having the following steps: providing a base cooling structure of the storage box wherein the base cooling structure includes two cover elements spaced apart from one another and cooling ducts, which extend between the cover elements and through which a coolant fluid can flow.

Abstract: A battery module for a high-voltage battery of a motor vehicle has at least two battery cells, two pressure plates, between which the battery cells are arranged, and at least two tie rods, which are led along opposite side regions of the at least two battery cells and which are connected to the pressure plates, forming a cell module frame surrounding the battery cells and pressing the battery cells against one another. The tie rods are integrally connected to the respective side regions of the battery cells by an adhesive connection.

Abstract: A secondary battery may include a cell body member accommodating an electrode assembly therein, including three sealing sides and provided adjacently to a cooling plate member; and wherein the cell body member, in contact with a heat conductive member on a lower surface thereof comprises a surface area-increasing groove formed to be concave in the lower surface thereof and the lower surface is a region in which a sealing portion is not formed, wherein the heat conductive member provided in at least a portion between the cell body member and the cooling plate member to form a heat path for transferring heat from the cell body member to the cooling plate member, wherein the surface area-increasing groove includes a curved-region in a cross section in a thickness direction of the cell body member, wherein the curved-region is in contact with the heat conductive member.

Abstract: A battery module, and a battery pack having a module housing capable of effectively increasing an energy density while enhancing the heat dissipation efficiency, includes a cell assembly having a plurality of secondary batteries; and a module housing having at least one sidewall and configured to accommodate the cell assembly in an inner space defined by the sidewall. The sidewall has at least one coolant flow path, and at least one injection hole is formed in an outer surface of the sidewall so as to extend to and communicate with the inner space.

Abstract: The present disclosure relates to a composition for manufacturing a secondary battery separator having excellent electrical conductivity and capable of minimizing occurrence of black scum on an electrode and a secondary battery thereof. The composition for manufacturing a secondary battery separator according to the present disclosure includes a polyethylene resin and an ionic liquid lubricant composition. The ionic liquid lubricant composition includes a pore-controlling agent, an ionic liquid, and paraffinic oil.