Abstract: A battery cell has an electrode assembly, including a positive electrode and a negative electrode stacked in the state in which a separator is interposed between the positive electrode and the negative electrode, is mounted in a pouch-shaped cell case, wherein electrode tabs protruding outwards from a plurality of electrode plates are coupled to a first lead end of an electrode lead, a second lead end of the electrode lead, which is an opposite end to the first lead end, is located on the outer surface of the cell case in the state of being parallel to the direction in which the electrode plates are stacked, and a lead body provided between the first lead end and the second lead end is located to face the outermost surface of the electrode assembly in the state of being maintained parallel to the direction in which the electrode plates are stacked.

Abstract: A motor vehicle has a housing for an energy store arranged on a bottom side of a floor assembly of the motor vehicle such that the vibrations of the floor assembly are reduced. A compressible foam of a damping component is an elastomeric foam, the material properties of which exhibit, under dynamic loading, dynamic hardening, so that the stiffness under dynamic loading starting from a frequency of greater than 0.1 Hz is greater by a dynamic hardening factor, which is greater than 2, than the stiffness which is present under quasistatic loading, such as when fitted for example.

Abstract: A secondary battery with a novel structure that can be bent repeatedly is provided. In the secondary battery, an exterior body includes a front surface, a back surface, a first sealing portion, and a second sealing portion. The front surface includes a first long side, a second long side, a third side, and a fourth side. The third side and the fourth side face each other. The third side and the fourth side are substantially perpendicular to the first long side. The front surface includes a third sealing portion. The first sealing portion is along the third side. The second sealing portion is along the fourth side. The third sealing portion includes a region overlapping with the first sealing portion and a region overlapping with the second sealing portion. At least one of the first terminal and the second terminal overlaps with the first sealing portion.

Abstract: A battery module for a vehicle includes: a plurality of battery cells which are stacked; a first end plate located on an outer surface of the battery cell located on one outermost side among the plurality of battery cells; a second end plate located on an outer surface of the battery cell located on the other outermost side among the plurality of battery cells; and one or more support bars located between the first and second end plates. The one or more support bars connect the first and second end plates to each other, include an elastic body, and absorb a load generated when the plurality of battery cells is swollen.

Abstract: A battery module includes at least one battery cell array including a cell frame and a plurality of battery cells, each battery cell having electrode terminals disposed at both ends of each battery cell and oriented toward the same direction, the plurality of battery cells being disposed in a lateral direction when mounted in the cell frame; and a plurality of connection members attached to the electrode terminals of a respective battery cell of the at least one battery cell array at an upper portion, a lower portion, or both of the at least one battery cell array, wherein each connection member is a metal plate having at least three vertical slits that are spaced apart from each other and a horizontal slit that crosses at least one of the vertical slits.

Abstract: A battery pack comprises a battery core pack that has a plurality of battery cells held in a cell holder, and a case that accommodates the battery core pack. The case has an outer shell case that covers the side surface of the battery core pack, and a bottom case that covers the bottom surface of the battery core pack. A lower-side battery core pack frame that supports the battery core pack is secured in a lower-side securing groove provided to an inner wall of the outer shell case. The lower-side securing groove is disposed above the upper-end part of the bottom case attached to the lower-end part of the outer shell case.

Abstract: A battery pack includes a plurality of batteries that are chargeable and dischargeable, a battery holder that arranges the batteries at predetermined positions, and a bus bar that is a metal sheet fixed to electrode terminals of the batteries. The bus bar includes: a plurality of fixed terminals connected with the electrode terminals of the batteries; a base that connects the plurality of batteries with each other through the plurality of fixed terminals in series and/or in parallel; and fuse links that include ends connected with the fixed terminals, respectively, and roots that are connected with the base. The battery pack further includes a heat insulating member that tightly covers surfaces of the fuse links, and surfaces of the fixed terminals connected with the fuse links, respectively.

Abstract: A capacitor provides a plurality of selectable capacitance values, by selective connection of six capacitor sections of a capacitive element each having a capacitance value. The capacitor sections are provided in a plurality of wound cylindrical capacitive elements. Two vertically stacked wound cylindrical capacitance elements may each provide three capacitor sections. There may be six separately wound cylindrical capacitive elements each providing a capacitor section. The capacitor sections have a common element terminal.

Abstract: An apparatus includes a case having an elliptical cross-section capable of receiving a plurality of capacitive elements. One or more of the capacitive elements provide at least one capacitor having a first capacitor terminal and a second capacitor terminal. The apparatus also includes a cover assembly that includes a deformable cover mountable to the case, and, a common cover terminal having a contact extending from the cover. The cover assembly also includes at least three capacitor cover terminals, each of the at least three capacitor cover terminals having at least one contact extending from the deformable cover. The deformable cover is configured to displace at least one of the at least three capacitor cover terminals upon an operative failure of at least one of the plurality of the capacitive elements. The cover assembly also includes at least four insulation structures. One of the four insulation structures is associated with one of the at least three capacitor cover terminals.

Abstract: A capacitor provides a plurality of selectable capacitance values, by selective connection of six capacitor sections of a capacitive element each having a capacitance value. The capacitor sections are provided in a plurality of wound cylindrical capacitive elements. Two vertically stacked wound cylindrical capacitance elements may each provide three capacitor sections. There may be six separately wound cylindrical capacitive elements each providing a capacitor section. The capacitor sections have a common element terminal.

Abstract: Systems, methods, and compositions are disclosed for a Li-substituted layered-tunneled O3/spinel Na(NixFeyMnz)O2 cathode material, Na0.87Li0.25Ni0.4Fe0.2Mn0.4O2+? (LS-NFM) for enhanced sodium ion storage and cycling stability. The LS-NFM electrode is prepared by adjusting the stoichiometric ratio of the Na ion over the sum of Li and transition metal ions below 1. The Rietveld refinement of XRD data indicates that the cathode is composed of 94% layered and 6% spinel components. When cycled at a high current density of 100 mA g?1, LS-NFM cathode exhibited a first-cycle Coulombic efficiency of 88% and reversible discharge capacity of 107 mAh g?1 after 50 cycles with the capacity retention of 95%.

Abstract: A battery system includes a first battery cell that is electrically connected to a second battery cell via directed contact between compliant terminals of the first and second battery cells. The compliant terminals include a first end that is electrically connected an electrode assembly disposed within the cell, a second end disposed outside the cell, and an elastically compliant portion disposed between the second end and a cell housing.

Abstract: A battery module and a vehicle including the same are disclosed. According to an exemplary embodiment of the present invention, the battery module may include: a plurality of battery cells; a housing configured to include a base plate, a housing frame, and a cover plate; and a gasket interposed between the housing frame and the base plate and between the housing frame and the cover plate, wherein an upper flange of the housing frame facing the cover plate and a lower flange of the housing frame facing the base plate have a step shape forming a recess portion opened to an inner side of the housing plate, and the gasket is disposed in the recess portion.

Abstract: A battery module having a plurality of battery cells and a module case configured to accommodate the plurality of battery cells is provided. The module case includes first and second cases coupled to each other by hooking and having shapes corresponding to each other.

Abstract: The present invention discloses a method of manufacturing an electrode for a secondary battery by using a single process to notch and cut a unit electrode from an electrode sheet. The method for manufacturing electrodes for a secondary battery includes supplying an electrode sheet in a moving direction (MD), wherein the electrode sheet has a plurality of coated portions and uncoated portions alternately arranged along the MD, wherein each coated portion has an electrode active material, and each uncoated portion does not have an electrode active material; and cutting the uncoated portions to form the plurality of unit electrodes.

Abstract: Electrolytes, lithium ion cells and corresponding methods are provided, for extending the cycle life of fast charging lithium ion batteries. The electrolytes are based on fluoroethylene carbonate (FEC) and/or vinylene carbonate (VC) as the cyclic carbonate component, and possibly on ethyl acetate (EA) and/or ethyl methyl carbonate (EMC) as the linear component. Proposed electrolytes extend the cycle life by factors of two or more, as indicated by several complementary measurements.

Abstract: Disclosed is a method for manufacturing a battery module, which includes accommodating a battery cell assembly having at least one battery cell in a module case, and injecting a thermally conductive adhesive through at least one injection hole provided in a bottom portion of the module case so that the module case is coated with the thermally conductive adhesive.

Abstract: The present invention provides a layered lithium-rich manganese-based cathode material with olivine structured LiMPO4 surface modification and a preparation method thereof. The preparation method comprises: firstly, preparing a pure-phase layered lithium-rich manganese-based cathode material by using a coprecipitation method and a high temperature sintering method, and then uniformly coating and doping olivine-structured LiMPO4 to the surface of the layered lithium-manganese-rich composite cathode material by using a sol-gel method. According to the present invention, the surface of the layered lithium-rich manganese-based cathode material is modified by olivine structured LiMPO4, such that cycle stability thereof is effectively improved, and voltage drop generated by the material in the cycle course is inhibited. The preparation method according to the present invention is simple, low cost, environmentally friendly, and is suitable for large-scale industrial production.

Abstract: A method for controlling a charge process of a solid-state battery having a sulfur-based positive electrode is provided. The method includes monitoring and storing a temperature of the solid-state battery and a predetermined interval, when the temperature exceeds a threshold temperature, monitoring the temperature of the solid-state battery and/or processing the stored temperature data of the solid-state battery, for an indication of sulfur sublimation, and terminating a flow of charge current upon detection of the indication of sulfur sublimation.

Abstract: Disclosed is battery module, which includes a cell assembly having battery cells arranged side by side in one direction and air channels formed at the intervals of the battery cells, and an inlet duct mounted to a front surface of the cell assembly at which the air channels are located to distribute a cooling air to the air channels. The inlet duct includes an air inlet disposed to face air channels, which are located in a central region in the arrangement of the air channels, at a location spaced apart therefrom, a cooling fan being installed at the air inlet to introduce the cooling air; and a guide vane composed of a plurality of plate barriers respectively extending obliquely toward the air channels based on the air inlet at a predetermined acute angle to distribute the flow of air.

Abstract: The present disclosure relates to a composite end plate and a battery module. The composite end plate comprises a rigid substrate, which has a first surface and a second surface that are opposite in a thickness direction of the rigid substrate, the first surface is disposed facing batteries; a rigid connecting plate, which comprises a connecting portion and a hook portion that is bent toward the connecting portion, the hook portion is embedded in the rigid substrate to connect the rigid connecting plate to the rigid substrate, the connecting portion is located on the second surface for connecting and fixing with an external structural member, and a material of the rigid connecting plate is different from that of the rigid substrate. The composite end plate according to the present disclosure can improve the structural strength of the battery module.

Abstract: A management server obtains information on a use history of a battery assembly used in a vehicle. The management server calculates an amount of material deterioration Dm and an amount of high-rate deterioration Dh by using the information on the use history of the battery assembly. When a ratio Dm/Dh is higher than a threshold value Th, the management server generates first assembly information indicating selection of a cell highly resistant against material deterioration and a spacer highly resistant against material deterioration (a cell A and a spacer A). When the ratio Dm/Dh is lower than the threshold value Th, the management server generates second assembly information indicating selection of a cell highly resistant against high-rate deterioration and a spacer highly resistant against high-rate deterioration (a cell B and a spacer B).

Abstract: A battery module having a battery cell stack having a plurality of stacked battery cells, each battery cell having an electrode lead, a bus bar configured to electrically connect the electrode leads of the plurality of stacked battery cells, and a breaking unit disposed between two adjacent battery cells of the plurality of stacked battery cells is provided. The breaking unit is spaced apart from the bus bar. The breaking unit is configured to operate by a gas pressure of gas generated in at least one of the two adjacent battery cells to break the electric connection between the electrode leads of the two adjacent battery cells and the bus bar.

Abstract: The invention resolves the problem of swelling of sealing electrochemical cells of prismatic format when they are assembled side by side in a grouping box by proposing a battery comprising at least two electrochemical cells (1a, 1b) of prismatic format, wherein the electrochemical cells are separated by a rigid wedge (2) having a hardness greater than or equal to 90 Shore A according to the standard ASTM D 2240 and by a flexible wedge (3) having a hardness of up to 60 Shore A according to the standard ASTM D 2240, the rigid wedge and the flexible wedge being electrically insulating.

Abstract: The disclosure relates to a battery module. The battery module comprises: a first end plate, a plurality of batteries and a second end plate successively arranged in a direction, wherein the battery comprises a top cover; a connecting component, wherein the first end plate is fixedly connected to the second end plate through the connecting component; and a pulling component comprising a first connecting segment, an intermediate segment and a second connecting segment successively arranged, wherein the first connecting segment is fixedly connected to the first end plate, the intermediate segment is disposed facing the top cover, and the second connecting segment is fixedly connected to the second end plate, and wherein the pulling component can tighten the first end plate and the second end plate in an arrangement direction of the batteries to compress the batteries along with the first end plate and the second end plate.

Abstract: A method of producing a lithium ion secondary battery includes the following (A) to (E). (A) A negative electrode active material powder having a BET specific surface area of 2.2 m2/g or more and 5.2 m2/g or less is prepared. (B) Fluorine is incorporated into the negative electrode active material powder. (C) Wet granules are prepared by mixing the negative electrode active material powder, a water-soluble binder powder, and water. (D) A negative electrode is produced by forming the wet granules into a film form. (E) A lithium ion secondary battery including the negative electrode, a positive electrode, and an electrolytic solution is produced. When the negative electrode active material powder is formed into a pellet having a density of 1.5 g/m3, fluorine is incorporated into the negative electrode active material powder so that the pellet has a water contact angle of 96° or more and 138° or less.

Abstract: A secondary battery including a pouch having recessed portions inwardly recessed at at least one of opposite sides of the pouch, an electrode assembly including first electrode plates, second electrode plates and separators, the separators being disposed between the first electrode plates and second electrode plates, the electrode assembly being inside the pouch, and a lead tab coupled to the electrode assembly and exposed to the outside of the pouch. The separators protrude from the first electrode plates or the second electrode plates by different protruding lengths at different regions corresponding to the recessed portions of the pouch in a thickness direction of the electrode assembly.

Abstract: An assembled battery that can be easily assembled and that has high reliability is provided. An assembled battery includes secondary batteries with a flat prismatic shape that are stacked in a thickness direction (X-axis direction), spacer members that are stacked alternately with the secondary batteries, and side plates that extend in a stacking direction of the secondary batteries and face side surfaces of the spacer members along the stacking direction. The spacer member includes an engagement part to be engaged with the side plate in a manner that sliding is possible in the stacking direction (X-axis direction).

Abstract: Provided is a method of manufacturing a lithium secondary battery, the method including: preparing positive and negative metal foams having a plurality of first pores; controlling first pore sizes of the metal foams depending on an application; filling the first pores with a slurry obtained by mixing a positive electrode active material or a negative electrode active material, a binder, a conductive material, and an organic solvent; heat-treating the metal foams to form second pores having a size smaller than those of the first pores. The first pore size of the metal foam can be controlled, so that a high capacity and high output battery can be manufactured depending on the usage.

Abstract: An apparatus includes a case having an elliptical cross-section capable of receiving a plurality of capacitive elements. One or more of the capacitive elements provide at least one capacitor having a first capacitor terminal and a second capacitor terminal. The apparatus also includes a cover assembly that includes a deformable cover mountable to the case, and, a common cover terminal having a contact extending from the cover. The cover assembly also includes at least three capacitor cover terminals, each of the at least three capacitor cover terminals having at least one contact extending from the deformable cover. The deformable cover is configured to displace at least one of the at least three capacitor cover terminals upon an operative failure of at least one of the plurality of the capacitive elements. The cover assembly also includes at least four insulation structures. One of the four insulation structures is associated with one of the at least three capacitor cover terminals.

Abstract: The present disclosure includes a battery module having a housing with a cell receptacle region defined by walls of the housing and configured to enable passage of electrochemical cells therethrough. The battery module also includes a bus bar carrier sealed in the cell receptacle region. The bus bar carrier includes a perimeter having flexible ribs extending along at least a majority of the perimeter and configured to enable intimate contact between the walls of the housing and the perimeter of the bus bar carrier.

Abstract: A battery module is provided. A battery module according to an embodiment of the present disclosure includes a cartridge assembly including a plurality of cartridges, each cartridge accommodating a battery cell, a casing including an opening formed therein and accommodating the cartridge assembly through the opening and surrounding the cartridge assembly, and a cover coupled to the opening of the casing, in which the cover includes a pressurizing portion pressurizing the battery cell when the battery cell swells.

Abstract: A pouch type secondary battery and a method of manufacturing the same are disclosed. The pouch type secondary battery includes a pouch type case formed by attaching an upper sheet and a lower sheet, and an electrode assembly received in the pouch type case. A polymer coating layer for improving sealability is further included at an outer side portion of the pouch type case, in which the upper sheet and the lower sheet are attached.

Abstract: An exemplary assembly of an electrified vehicle includes a compression limiter integrated into a plate of a battery pack array. An exemplary method includes forming a portion of a plate of a battery pack array about a longitudinal axis to provide a compression limiter.

Abstract: A battery assembly includes a thermal shield. The thermal shield protects battery cells in the battery assembly from hot gases vented by a neighboring cell experiencing thermal runaway. The thermal shield acts as a one-way valve, allowing the cell experiencing thermal runaway to properly vent away hot gases, but still protecting the rest of the cells in the battery pack from the hot gases.

Abstract: There is provided a secondary battery including an electrode assembly having a stack structure of an anode/a separation film/a cathode, a pouch type exterior member configured of a lower surface in which a receiving part is formed and an upper surface covering the receiving part, a single electrode assembly or a plurality of electrode assemblies being received in the receiving part, and an electrode terminal formed outwardly of the pouch type exterior member, the secondary battery including: a sealing part formed by bonding edges of the pouch type exterior member, wherein a portion of the sealing part formed on a surface of the pouch type exterior member on which the electrode terminal is not formed outwardly of the exterior member is folded downwardly at an angle of 90 degrees.

Abstract: An electrode active material including a secondary particle, the secondary particle including: a plurality of primary particles including a silicon-containing material; an electrically conductive material; and a chemically cross-linked water-insoluble polymer. Also an electrode, and a secondary battery, both of which include the electrode active material, and a method of preparing the electrode active material.

Abstract: The present invention relates to a novel secondary battery pack with improved thermal management useful for an all-electric vehicle (EV), a plug-in hybrid vehicle (PHEV), a hybrid vehicle (HEV), or battery packs used for other vehicles batteries, and more particularly, to the use of a specific material for thermally insulating a secondary battery pack and further minimizing the propagation of thermal runaway within a battery pack.

Abstract: An apparatus includes a case having an elliptical cross-section capable of receiving a plurality of capacitive elements. One or more of the capacitive elements provide at least one capacitor having a first capacitor terminal and a second capacitor terminal. The apparatus also includes a cover assembly that includes a deformable cover mountable to the case, and, a common cover terminal having a contact extending from the cover. The cover assembly also includes at least three capacitor cover terminals, each of the at least three capacitor cover terminals having at least one contact extending from the deformable cover. The deformable cover is configured to displace at least one of the at least three capacitor cover terminals upon an operative failure of at least one of the plurality of the capacitive elements. The cover assembly also includes at least four insulation structures. One of the four insulation structures is associated with one of the at least three capacitor cover terminals.

Abstract: The present invention provides a positive electrode active material for non-aqueous electrolyte secondary battery comprising: core particles comprising a lithium transition metal composite oxide represented by the general formula: LiaNi1?x?yCoxM1yM2zO2 wherein 1.00?a?1.50, 0.00?x?0.50, 0.00?y?0.50, 0.00?z?0.02, 0.00?x+y?0.70, M1 is at least one element selected from the group consisting of Mn and Al, M2 is at least one element selected from the group consisting of Zr, Ta, Nb and Mo, and a surface layer located on a surface of the core particles, the surface layer comprising lithium, boron, tungsten and oxygen.

Abstract: A conductive module includes a first conductive member electrically connected to an electrode terminal of a battery cell; a second conductive member that electrically connects a battery monitoring unit monitoring a battery state to the first conductive member; a circuit protection member arranged between the first conductive member and the second conductive member; a first electrical connection structural body electrically connecting the first conductive member and the circuit protection member; a second electrical connection structural body electrically connecting the second conductive member and the circuit protection member; a housing member housing the circuit protection member and the first and second electrical connection structural bodies; and a mounting structure that mounts the housing member to an insulating member with the insulating member sandwiching the battery cell as a mounting target.

Abstract: The invention relates to a receptacle (34) for at least partially compressively receiving at least one battery cell (12) for a battery module, wherein the receptacle (34) has at least two end plates (10) which can be arranged on two opposing sides of the at least one battery cell (12), wherein the end plates (10) are connected to one another by a plurality of connecting means (24), which are fixed to the end plates (10) and in each case have at least two plug elements (28), in such a way that the plug elements (28) of the connecting means (24) for fixing the connecting means (24) to the end plates (10) engage in bushings (22) of the end plates (10) in a plane arranged substantially at right angles to the direction of extension of the connecting means (24).

Abstract: An object of the present invention is to provide an electrolytic solution for nonaqueous electrolytic solution batteries capable of showing high output characteristics at low temperature even after the batteries are used to some extent, and a nonaqueous electrolytic solution batteries. The present invention is characterized in the use of an electrolytic solution for nonaqueous electrolytic solution batteries, the electrolytic solution including a difluoro ionic complex (1-Cis) in a cis configuration represented by the general formula (1-Cis), a nonaqueous organic solvent, and a solute. Furthermore, the electrolytic solution may contain a difluoro ionic complex (1-Trans) in a trans configuration or a tetrafluoro ionic complex (5).

Abstract: A battery assembly includes a grouping of battery cells and an array plate assembly contacting at least one cell of the grouping of battery cells. The array plate assembly including a spring plate adapted to exert a compressive spring force against the at least one cell. The compressive spring force may be based on a dimensional profile of the grouping of battery cells.

Abstract: An electricity storage module that includes: a plurality of electricity storage elements each including positive and negative lead terminals protruding outward from end portions thereof; a stack in which the plurality of electricity storage are stacked and adjacent ones of the lead terminals of opposite polarities are connected to each other; bus bars that are individually connected to those of the lead terminals connected in order that are located at opposite ends and that have mutually opposite polarities; and voltage detection terminals that are connected to terminal ends of voltage detection lines and individually connected to the electricity storage elements, wherein the lead terminals, the bus bars, and the voltage detection terminals are collectively connected by laser welding.

Abstract: Provided herein are battery packs for electric vehicles. A battery pack can include a housing having cavities. The battery pack can include electrode structures having a first tab terminal and a second tab terminal. A cover can be disposed over the housing. The cover can include first junction connectors extending between a first surface of the cover and a second surface of the cover. The first tab terminal of each electrode structure can be welded to respective first junction connectors.

Abstract: The present disclosure includes a battery module that includes a housing having a stack of battery cells. Each battery cell of the stack of battery cells includes a terminal end having at least one cell terminal and a face oriented transverse to the terminal end. The battery module also includes adhesive tape disposed between a first face of a first battery cell of the stack of battery cells and a second face of a second battery cell of the stack of battery cells, and where the adhesive tape fixedly couples the first battery cell to the second battery cell, and where a first terminal end of the first battery cell is substantially aligned with a second terminal end of the second battery cell.

Abstract: A power storage device includes a stacked electrode assembly in which a plurality of pairs of electrodes are stacked and a fixing tape which is placed astride both end portions of the stacked electrode assembly in an electrode-stacking direction and which includes a pair of bonded sections each bonded to a corresponding one of the end portions thereof and an intermediate section connecting the bonded sections together. The intermediate section of the fixing tape includes a base portion extending along a side surface of the stacked electrode assembly and a clearance portion projecting in a direction away from the side surface of the stacked electrode assembly and tape surfaces facing each other in the clearance portion are separably bonded to each other.

Abstract: The present invention relates to an electrolytic solution comprising a cyclic dicarboxylic acid ester represented by the specific formula, and the secondary battery comprising the same. According to the present invention, the electrolytic solution comprising an additive which can improve a characteristics in a secondary battery and a secondary battery comprising the same can be provided.

Abstract: A battery cell for a battery of a motor vehicle having a battery cell housing, in which a galvanic element is accommodated. The battery cell can be electrically connected to at least one other battery cell of the battery by way of two electrical connections. The battery cell has at least one switching element, which is designed for making and breaking a conductive electrical connection between an arrester of the galvanic element and at least one of the electrical connections. A driver module is disposed inside the battery cell housing to control the switching element so that the conductive electrical connection between the arrester and the electrical connections are controlled.