Abstract: A busbar module includes: a busbar including an upper plate and a lower plate overlapping with the upper plate; an electrode lead positioned between the upper plate and the lower plate; and a connecting part disposed between the upper plate and the electrode lead to electrically connect the upper plate and the electrode lead, wherein a through hole is formed in the lower plate, and the connecting part is disposed at a position corresponding to the through hole.

Abstract: An electrolytic solution includes an organic solvent, an electrolyte, and an additive. The additive includes a first compound represented by Formula 1, where R1 is selected from one of a single bond, substituted or unsubstituted alkoxy, C1-C6 alkylene, and C2-C6 alkenyl; R2 and R3 each are independently selected from one of substituted or unsubstituted alkoxy, C1-C6 alkylene, and C2-C6 alkenyl; and R4 is B or P. Since the first compound includes an N-containing group that may be combined with a protonic acid in the electrolytic solution, the electrolytic solution have good stability; moreover, the cycle performance of a lithium secondary battery is improved.

Abstract: A solid electrolyte according to the present disclosure has a composition represented by MgxZry(POz)2 (0<x?3.5, 0?y<1.5, and 3?z?4.25), and includes an amorphous part. The composition may be represented by Mgx(POz)2 (3?x?3.5 and 3?z?4.25). The composition may be represented by MgxZry(POz)2 (0<x<3.5, 0<y<1.5, and 3?z?4.25).

Abstract: An embodiment anode for an all-solid-state battery includes an anode current collector, and a coating layer disposed on the anode current collector, wherein the coating layer is a thin film including at least one metal selected from the group consisting of alkaline earth metals, Group 4 to 9 transition metals, Group 13 metals, or combinations thereof.

Abstract: The present disclosure relates to a battery module cooling structure which uniformly cools heat generated in a battery module, and a cooling block includes a first cooling module positioned at any one portion of upper or lower portions of a battery module and a second cooling module positioned at the other portion of upper or lower portions of the battery module.

Abstract: A solid ion conductor including a garnet-type oxide represented by LiAM1BLaCM2DZrEM3FM4GOHXI (Formula 1), a solid electrolyte including the solid ion conductor, an electrochemical device including the ion conductor, and a method of preparing the ion conductor are disclosed. In Formula 1, M1 is a monovalent cation, a divalent cation, a trivalent cation, or a combination thereof, M2 is a monovalent cation, a divalent cation, a trivalent cation, or a combination thereof, M3 is a divalent cation, a trivalent cation, a tetravalent cation, a pentavalent cation, a hexavalent cation, or a combination thereof, M4 is Ir, Ru, Mn, Sn, or a combination thereof, X is a monovalent anion, a divalent anion, a trivalent anion, or a combination thereof, and 6?A?8, 0?B<2, 2.8?C?3, 0?D?0.2, 0<E<2.0, 0<F<2.0, 0<G?0.2, 9?H?12, and 0?I?2 are satisfied.

Abstract: A battery module cooling structure includes a plurality of battery modules, a plurality of cooling blocks arranged adjacent to the battery modules to cool the battery modules, and a cooling passage which passes through the cooling blocks adjacent to each other and in which cooling water flows. Each of the cooling blocks includes an upper panel that closes an upper portion of the cooling block and forms an upper body, a lower panel that is spaced apart from the upper panel and closes a lower portion of the cooling block, and a side wall that extends along a periphery of the lower panel and has an end fixed to the upper panel.

Abstract: The present invention relates to various lithium ion battery cathodes as well as lithium ion batteries incorporating one or more of these cathodes. The present invention further relates to processes of preparing the lithium ion battery cathode.

Abstract: An embodiment of the present invention relates to a cylindrical lithium ion secondary battery. The technical problem to be solved is to provide a cylindrical lithium ion secondary battery which is designed such that a safety vent is formed and at the same time or afterwards excess metal can be guided to a curved portion adjacent to the safety vent, thereby enhancing the flatness of a can floor and reducing damage to the safety vent. To this end, the present invention provides a cylindrical lithium ion secondary battery comprising: a cylindrical can; an electrode assembly accommodated in the cylindrical can; and a cap assembly for sealing the cylindrical can, wherein the cylindrical can comprises a circular floor portion, a curved portion curved from the floor portion towards the electrode assembly, and a safety vent formed on the curved portion.

Abstract: A rechargeable energy storage system includes a plurality of battery cells and a wall structure disposed adjacent to the plurality of battery cells and having an inner layer and an outer layer. An interior reinforcement structure includes a first sheet metal member and a second sheet metal member each having a plurality of vertical sections and a plurality of horizontal sections. The first and second sheet metal members define an aligned load transfer section wherein one of the plurality of horizontal sections of the first sheet metal member is vertically aligned with one of the plurality of horizontal sections of the second sheet metal member. The first and second sheet metal members define a crush region wherein one of the plurality of horizontal sections of the first sheet metal member is vertically misaligned with all of the plurality of horizontal sections of the second sheet metal member.

Abstract: A solid electrolyte according to the present disclosure is represented by the following compositional formula (1). Li7-2x-zLa3(Zr2-x-zWxMz)O12??(1) In the formula (1), x and z satisfy 0.10?x?0.60 and 0.00<z?0.25, and M is at least one type of element selected from the group consisting of Nb, Ta, and Sb.

Abstract: A battery cell includes an electrode assembly, a housing, a cover plate, and a support member. The housing includes a first electrode plate and a second electrode plate. At least a part of the first electrode plate is stacked with the second electrode plate. The housing is provided with an opening and an accommodation cavity configured to accommodate the electrode assembly. The housing includes a side plate. The cover plate is perpendicular to the side plate and configured to close the opening. At least a part of the support member is disposed between the side plate and the electrode assembly, and the support member is configured to support the electrode assembly so that a spacing between an end, facing the side plate, of the first electrode plate and the side plate in a first direction is greater than a preset value. The first direction being a direction perpendicular to the side plate.

Abstract: An immersion cooling system for a battery system includes a battery enclosure and G battery cell groups arranged in the battery enclosure. Each of the G battery cell groups include C battery cells, where G and C are integers greater than one. A plurality of dividers are arranged between each of the G battery cell groups. A gas manifold removes vent gases from each of the G battery cell groups.

Abstract: The present disclosure relates to a method of recovering a degenerated lithium battery cell, with the lithium battery cell being configured so that an electrode assembly including a positive electrode, a negative electrode and a separator interposed therebetween is impregnated with a non-aqueous electrolyte and embedded in a battery case, the method including: subjecting a lithium battery cell degenerated by 5% or more to a high temperature treatment for 1 to 6 hours at a temperature ranging from 60° C. to 100° C. in a fully discharged state.

Abstract: An electrolyte for a lithium secondary battery and a lithium secondary battery including the same are disclosed herein. In some embodiments, an electrolyte includes a lithium salt, an organic solvent, and at least one cyano silane-based compound selected from the group consisting of compounds represented by Formulae 1 to 3.

Abstract: A separator for a secondary battery including a porous separator substrate including a polyolefin-based material and a coating layer on at least one surface of the porous separator substrate. The separator for a secondary battery has a uniform coating layer and improved adhesion force. The coating layer is a dry form of a slurry comprising a binder, an inorganic material, a mixed solvent including at least two solvents, and a dispersant, the inorganic material being a metal hydroxide and the dispersant being a compound including 10 to 30 hydroxy groups in one molecule.

Abstract: Provided is a separator for a lithium secondary battery including a porous substrate and a coating layer including a binder and inorganic particles formed on one surface or both surfaces of the porous substrate. The binder is a binder including: (a) a (meth)acrylamide-based monomer polymerization unit, (b) a (meth)acryl-based monomer polymerization unit containing a hydroxyl group, and (c) a polyfunctional (meth)acrylamide-based monomer polymerization unit. The separator according to the present invention provides a separator for a lithium secondary battery having improved adhesive strength between the inorganic particles and the separator, showing a decreased interfacial resistance characteristic, and showing an improved air permeability.

Abstract: An all solid state battery includes: a battery body including an electrode assembly having first and second surfaces in a first direction, third and fourth surfaces in a second direction, and fifth and sixth surfaces in a third direction, and including a solid electrolyte layer and a cathode and an anode; a first connection portion; and a second connection portion disposed on the electrode assembly. The first connection portion includes a first current collecting electrode and a first protection portion, the second connection portion includes a second current collecting electrode and a second protection portion, and the first current collecting electrode is drawn out to one surface of the first connection portion in the third direction and the second current collecting electrode is drawn out to one surface of the second connection portion in the third direction.

Abstract: An energy-storage apparatus and an electricity-consumption device are disclosed. The energy-storage apparatus includes a housing, an electrode assembly, an end cover assembly, and a first connector. The end cover assembly includes a top cover and a lower plastic assembly. The lower plastic assembly is disposed between the top cover and the electrode assembly. The top cover includes a first stimulus-response member. The lower plastic assembly includes a first-lower-plastic-member body having a first surface and a second surface, a first recess recessed from the second surface to the first surface, and a first vent hole defined in a recess bottom-wall of the first recess and penetrates through the recess bottom-wall and the first surface. A part of the first recess is blocked by the first connector, and the rest of the first recess exposed beyond the first connector forms a vent passage in communication with the first vent hole.

Abstract: A positive electrode for a secondary battery which is an example of the embodiment of the present invention comprises a collector, a protective layer formed on at least one surface of the collector, and a composite material layer formed on the protective layer. The protective layer has a first region and a second region. The first region includes inorganic particles and a conductive material. The second region includes inorganic particles and substantially does not include a conductive material, or includes inorganic particles and a conductive material, the content of the conductive material being less than the content of the conductive material in the first region.