Abstract: Disclosed is a battery module capable of reducing manufacturing costs and improving manufacturing efficiency. The battery module includes a cell assembly having a plurality of secondary batteries; a battery management unit having a printed circuit board with a printed circuit, the printed circuit board having a connecting portion on inner and outer peripheries of which a connecting conductor is coated to be electrically connected to the printed circuit; and a bus bar plate having a plate shape, the bus bar plate having a connection portion configured to electrically connect the plurality of secondary batteries and a sensing portion with a strip form elongated from one side end of the connection portion, the sensing portion having a bent structure where a longitudinal end thereof is bent at least two times, at least a part of the bent structure being in elastic contact with an inside of the connecting portion.

Abstract: An elastic electrode structure for an electronic cigarette is disclosed. The electronic cigarette includes an atomizing assembly and a battery assembly. The battery assembly has a threaded sleeve arranged on an upper end thereof. The elastic electrode structure includes an electrode ring arranged in the threaded sleeve. The electrode ring has a lower end extending out from a through hole defined at the bottom of the threaded sleeve. The elastic electrode structure further includes an insulating ring arranged between the electrode ring and the threaded sleeve, and the elastic electrode structure further includes an elastic sealing ring arranged between the electrode ring and the insulating ring. The elastic electrode structure has good leak-proofing effect and low cost.

Abstract: A battery pack assembly includes a plurality of battery cells and a pair of elongated connector terminal plates. Each battery cell has a terminal side and an opposite floor side. A pair of terminals extend from each of the plurality of battery cells on the terminal side. Each of the pair of elongated connector terminal plates includes an upper and a lower elongated terminal connector. The upper and lower elongated terminal connector plates of each of the pair of elongated connector terminal plates are configured to independently move between an aligned position and an engaged position such that in the engaged position the pair of elongated connector terminal plates retain the plurality of battery cells and in the aligned position the pair of elongated connector terminal plates are removed from the battery pack releasing the plurality of battery cells.

Abstract: The invention relates to an acrylonitrile copolymer binder and application thereof in lithium ion battery, belonging to the field of lithium ion battery. The technical problem to be solved by the invention is to provide an acrylonitrile copolymer binder comprising the following structural units in percentage by weight: 78-95% of acrylonitrile unit, 1-10% of acrylic ester unit and 2-15% of acrylamide unit.

Abstract: In order to provide a battery module and the like capable of maintaining a fastened state of a plurality of battery cells with high reliability, battery module includes a plurality of battery cells each having electrode terminals, a pair of end plates that cover both side end surfaces of battery stack including the plurality of stacked battery cells, and a plurality of fastening members that fastens end plates to each other. End plate forms overlapping portion that covers at least a portion of each fastening member covering each side surface of battery cells located on the both side end surfaces of battery stack, and overlapping portion and the fastening members are welded and fixed. According to the above configuration, by welding in a state in which a side surface of fastening member is further covered with overlapping portion, there is an advantage that firm fixation can be achieved while preventing disengagement of fastening member.

Abstract: A high-voltage accumulator has a high-voltage accumulator housing in which multiple electric storage cells are arranged. A wall of the high-voltage accumulator housing is equipped with at least one aeration/ventilation device which is gas-permeable at least from the interior of the high-voltage accumulator housing to the exterior of the high-voltage accumulator housing such that gas can leak out of the interior of the high-voltage accumulator in the event of an overpressure in the interior of the high-voltage accumulator housing. The aeration/ventilation device is equipped with a device, by which a substance that accumulates on the aeration/ventilation device and partly or completely blocks same can be removed.

Abstract: A secondary battery capable of improving cycle characteristics, conservation characteristics, and load characteristics is provided. The secondary battery includes a cathode, an anode, and an electrolytic solution. A separator provided between the cathode and the anode is impregnated with an electrolytic solution. The electrolytic solution includes one or more of a dicarbonic ester compound, a dicarboxylic compound, a disulfonic compound, a monofluoro lithium phosphate, and difluoro lithium phosphate and one or more of fluorinated lithium phosphate, fluorinated lithium borate, and imide lithium.

Abstract: Provided are an electrode catalyst layer, a membrane electrode assembly and a polymer electrolyte fuel cell, having sufficient drainage property and gas diffusibility with high power generation performance over a long term. An electrode catalyst layer (10) bonded to a surface of a polymer electrolyte membrane (11) includes at least a catalyst substance (12), a conductive carrier (13), a polymer electrolyte (14) and fibrous substances (15). The number of the fibrous substances (15) in which inclination ? of axes with respect to a surface of the electrode catalyst layer (10) bonded to the surface of the polymer electrolyte membrane (11) is 0°??<45°, among the fibrous substances (15), is greater than 50% of the total number of the fibrous substances (15) contained.

Abstract: A method of manufacturing a battery pack including battery cells that have electrode tabs protruding from an outer surface includes stacking the battery cells and housing the battery cells in a case so that the electrode tabs protrude from slits in the case, bending the electrode tabs protruding from the slits so that the electrode tabs of adjacent battery cells are folded and overlap each other, and welding the folded and overlapping portion of the electrode tabs.

Abstract: A cell holder made up of a top tray, an intermediate tray and a frame. Cells are placed with minimal force in the frame to stand proud of it. The intermediate tray is placed over the projecting tops of the cells and serves to locate the cells. A busbar in the intermediate tray is connected to one set of terminals. A top tray is placed over the intermediate tray and snap-locked through the intermediate tray to the frame. The snap-lock distance is short. A busbar in the top tray is connected to the other set of terminals. The top tray shields the first busbar. Vents may be included to allow for the escape of hot cell gases in the event of failure.

Abstract: Provides is a cathode active material comprising particles each containing a lithium composite oxide, a coating layer containing an ammonium phosphate compound containing a metal other than lithium. The coating layer coats each of the particles. The metal other than lithium includes at least one selected from the group consisting of manganese, nickel, and cobalt.

Abstract: Disclosed herein is a battery case configured to receive an electrode assembly and an electrolytic solution therein, the electrode assembly including a positive electrode, a negative electrode, and a separator interposed between the positive electrode and the negative electrode, the battery case including a layer structure and a gas adsorption layer formed on the inner surface of the layer structure, the gas adsorption layer including a gas adsorption material layer configured to adsorb a reaction gas that may be generated within the battery case during abnormal functioning of the electrode assembly, and a blocking layer formed on an exposed surface of the gas adsorption material layer, the blocking layer configured to prevent the gas adsorption material layer from being exposed to an ambient gas during assembly of the battery case.

Abstract: The present invention has as its object the provision of a battery material stacking system able to stack sheet-shaped workpieces relating to battery materials continuously at a high speed. The system is comprised of a conveyance mechanism 1 conveying sheet-shaped workpieces W relating to battery materials in a predetermined direction, a placement mechanism 2 placing workpieces W, and a stacking mechanism 3 stacking workpieces W. The placement mechanism 2 comprises a stator 21 of a linear motor having a predetermined running rail, a plurality of movers 22 of a linear motor provided at the stator 21, pickup members 23 provided at the movers 22 and picking up the workpieces W, and a control part 100 controlling running of the movers 22 at the stator 21. The pickup members 23 pick up the workpieces W conveyed from the conveyance mechanism 1 and rotationally convey the workpieces W along with the movers 22 running along the running rail of the stator 21, then stacking the workpieces W on the stacking mechanism 3.

Abstract: A packaging film includes a packaging portion and a pulling portion, and the pulling portion and the packaging portion are demarcated by a tear line. When the pulling portion is pulled, the tear line is disconnected, and the pulling portion is separated from the packaging portion. In a packaging face of the packaging portion, an area packaging a side wall of the battery is a glue-free area, and other areas are provided with a first adhesive. An adhesive face in the packaging portion is provided with a second adhesive. A part of the packaging face in the pulling portion is provided with a third adhesive, and the adhesive face in the pulling portion is a glue-free area.

Abstract: A sensing system for a battery includes a flex foil substrate including a first cover layer. A conductive layer defines a trace pattern including traces. A second cover layer defines a first opening. The conductive layer is sandwiched between the first cover layer and the second cover layer. The first opening exposes a first trace and a second trace of the trace pattern. A busbar is attached to the first cover layer of the flex foil substrate. A temperature sensor is connected to the first trace and the second trace of the trace pattern in the first opening of the first cover layer.

Abstract: The present invention relates to: a shape correction device for a frame body; and a method for manufacturing an electrolyte film/electrode structure that is provided with a resin frame for a fuel cell. A shape correction device, which corrects the shape of a frame body that is provided with a rectangular opening, is equipped with a pressing mechanism that applies, to each side of the frame body, a pressing force directed from the inner side to the outer side of the opening. The pressing mechanism may have a first bar and a second bar, which apply the pressing force by being in contact with inner wall surfaces of each side of the frame body.

Abstract: Systems and methods utilizing water soluble (aqueous) PAA-based polymer binders for silicon-dominant anodes may include an electrode coating layer on a current collector, where the electrode coating layer is formed from silicon and a pyrolyzed water soluble PAA-based polymer blend, wherein the water soluble PAA-based polymer blend comprises PAA and one or more additional water-soluble polymer components. The electrode coating layer may include more than 70% silicon and the anode may be in a lithium ion battery.

Abstract: Disclosed herein are electrolyte compositions comprising a fluorinated solvent, at least one silyl oxalate represented by the formulas RR?Si(C2O4), wherein R and R? are each the same or different from each other and independently selected from C1-C8 alkyl, C2-C8 alkenyl, C2-C8 alkynyl, or C6-C10 aryl radical, optionally comprising at least one substituent selected from halogen, hydroxyl, alkoxy, carbonyl, and carboxyl groups; and LiPF6. Also disclosed herein are electrolyte compositions comprising a fluorinated solvent and a lithium oxalato phosphate salt represented by the formula LiPF(6-2q)(C2O4)q, wherein q is 1, 2 or 3; wherein the oxalato phosphate salt comprises at least a portion that is derived from at least one silyl oxalate as defined herein. The electrolyte compositions are useful in electrochemical cells, such as lithium ion batteries.

Abstract: The present disclosure provides a secondary battery and a battery module. The secondary battery includes: a shell having an opening; an electrode assembly including a first electrode plate, a second electrode plate, and a separator; a cap assembly including a cap plate and a first electrode terminal; a lower insulator located at a side of the cap plate away from the terminal board; and a wiring board including a main body portion and an extension portion, wherein the main body portion is located at a side of the lower insulator away from the cap plate and connected to the first electrode plate, the extension portion extends into the electrode lead-out hole and connected to the first electrode terminal, the first electrode plate is electrically connected to the first electrode terminal through the wiring board, and the first electrode terminal does not extend beyond a lower surface of the lower insulator.

Abstract: An embodiment of the present invention relates to a pouch-type secondary battery. According to embodiment of the present invention, the pouch-type secondary battery includes: an case configured to house an electrode assembly from which electrode tab are drawn out; sealing parts formed by adhering the case along outer peripheries of the electrode assembly; and folding parts formed by folding the sealing parts of surfaces on which the electrode tab drawn to an outside of the case is not formed, wherein a length of the folding part has a relationship with a thickness of the electrode assembly as the following equation: H?T/2 (wherein, H is the height of the folded folding part, T is the thickness of the electrode assembly, based on a cross-section perpendicular to a direction in which the electrode tabs of the electrode assembly are drawn out).