Abstract: A battery pack assembly includes a housing having a plurality of sides and defining an internal cavity, a plurality of battery cells received in the internal cavity, and battery electronics received in the internal cavity. A battery pack interface is supported by the housing and connectable to a device. An injection port is supported by the housing. The injection port includes one or more channels positioned on one or more of the sides of the housing. Each channel connects the internal cavity to an exterior of the battery pack. The injection port is configured to direct a fluid comprising adhesive material from the exterior of the battery pack into the internal cavity. The fluid is configured to cover at least one of a portion of the battery cells and a portion of the battery electronics.

Abstract: Provided is a method for producing a sulfide solid electrolyte having a high purity as side reaction hardly occurs, and having a high ionic conductivity, in a simplified manner. The method is for producing a sulfide solid electrolyte containing a lithium atom, a sulfur atom, a phosphorus atom and a halogen atom, comprising separately preparing a complex (1) containing a sulfide that contains a lithium atom, a sulfur atom and a phosphorus atom, as a constituent element, and a complex (2) containing a halide that contains a lithium atom and a halogen atom, as a constituent element, and mixing the complex (1) and the complex (2).

Abstract: This application relates to a cordless power tool system including a set of cordless power tools, a set of rechargeable and removable battery packs, and a set of battery pack chargers.

Abstract: A power storage component module includes power storage components and a bus bar connecting the power storage components to one another. At least one positioning boss is provided on an electrode included in the power storage components. The at least one positioning boss protrudes upward. The at least one positioning boss includes a base end and a distal end having a diameter less than a diameter of the base end. At least one through hole opens in the bus bar. The bus bar is placed on the at least one positioning boss and a hole edge of the at least one through hole is disposed around the at least one positioning boss between the base end of the at least one positioning boss and the distal end of the at least one positioning boss in a vertical direction.

Abstract: Devices for insulating the electrical terminals of cylindrical batteries, such as lithium-ion cells, to prevent the occurrence of shorting. One configuration is a device or apparatus which covers one or more terminals of the cell, thereby providing an insulative barrier, while still allowing the cell to be used. Another configuration is a cell covering partially covering the topmost portions of the negatively charged exterior cell case, closest to the positive terminal of the cell, and attaching the covering via a circumferential appendage which locks onto the cell. In another configuration the cell covering extends axially down the side of the cell case to cover part of, or the entirety of, the side of the negatively charged case.

Abstract: A non-aqueous electrolyte secondary battery including a positive electrode, a negative electrode, and an electrolyte. The negative electrode includes a negative electrode active material capable of electrochemically absorbing and releasing lithium, and a binder. The negative electrode active material includes a Si-containing material, and the binder includes at least one cellulose compound selected from the group consisting of a carboxyalkyl cellulose and a salt thereof. The electrolyte includes a non-aqueous solvent, and a lithium salt dissolved in the non-aqueous solvent. The lithium salt includes lithium bis(fluorosulfonyl)imide: LFSI.

Abstract: A solid electrolyte represented by the following formula (1): Li7?x+y(La3?yBay)(Zr2?xMx)O12(1), wherein 0.20?x<1.50, 0.00<y<0.30, and M is two or more elements selected from the group consisting of Nb, Ta, and Sb.

Abstract: The disclosure discloses a battery and a battery apparatus. The battery includes two opposite first surfaces and four second surfaces disposed around the first surfaces, a pole assembly and a busbar. An area of the first surface is larger than an area of the second surface. The pole assembly is disposed on the first surface. The busbar is bent into a first segment and a second segment. The first segment is located at a side of the first surface where the pole assembly is disposed and is connected to the pole assembly. The second segment is parallel to or substantially parallel to a second surface and is used for electrically connecting the pole assembly of another battery.

Abstract: A nonaqueous electrolyte secondary battery (10) in an example embodiment includes a positive electrode (11) having a lithium metal composite oxide, and a negative electrode (12) having graphite. The lithium metal composite oxide includes first composite oxide particles which are secondary particles formed by aggregation of primary particles having an average particle size of 50 nm to 5 ?m, and second composite oxide particles which are non-aggregated particles having an average particle size of 2 ?m to 20 ?m. The positive electrode (11) has lower initial charge/discharge efficiency than the initial charge/discharge efficiency of the negative electrode (12).

Abstract: The present disclosure provides an electrode plate, a battery cell, and a battery. The electrode plate includes a current collector, a plurality of first electrode tabs, and a plurality of second electrode tabs. The current collector has first and second sides and the first electrode tabs are coupled to the current collector and protrude from the first side. The second electrode tabs, also coupled to the collector, protrude from the second side. The first and second electrode tabs on the electrode plate being arranged on opposite sides of the current collector reduce the internal resistance of the electrode plate, and the energy output efficiency of the electrode plate is improved. The accumulation of heat when the electrode plate is working is reduced. Energy is output at both sides of the electrode plate, which improves the performance of the electrode plate.

Abstract: A pouch cell includes: a charging and discharging element; a current collecting tab lead configured to be thinner than the charging and discharging element and drawn out of the charging and discharging element to an outside; an exterior film configured to wrap the charging and discharging element in a state in which the current collecting tab lead is drawn out to an outside; a clamping part configured to clamp the current collecting tab lead from the exterior film by front and back surfaces in a thickness direction; and an airtightness maintaining member mounted to cover an end portion of the clamping part, wherein the airtightness maintaining member is separated from the exterior film, has a slit through which the current collecting tab lead is drawn out to the outside and has a bent part which covers an end portion of the clamping part, and a dimension of the bent part in the thickness direction of the clamping part is larger than a width dimension of the slit.

Abstract: Batteries according to embodiments of the present technology may include a housing including a first terminal disposed on a first side of the housing and a second terminal disposed on the first side of the housing. The batteries may include an electrode stack positioned within the housing. The electrode stack may include an anode current collector. The anode current collector may define an anode tab along a first side of the anode current collector, and be electrically coupled with the first terminal. The electrode stack may include a cathode current collector. The cathode current collector may define a cathode tab along a second side of the cathode current collector. The cathode tab may extend from the cathode current collector in a direction normal to a direction the anode tab extends from the anode current collector. The cathode tab may be electrically coupled with the second terminal.

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 battery with a generally cuboid body with a top face. A cylindrical terminal extending from a center of the top face, a top of the cylindrical terminal provided with electrical contacts. A left tab and a right tab provided extending from the top face proximate a left end and a right end of the top face, respectively. A peripheral portion of each of the left and the right tabs forming a retaining groove extending from the top face; and an inward facing portion of the peripheral portion of each of the left and the right tabs facing the cylindrical terminal provided with an arc radius centered upon the center of the top face. The battery interconnectable with a range of electronic devices via a range of vectors and/or mechanics.

Abstract: In a battery pack having a housing, battery modules composed of a plurality of battery cells, acquisition units equipped with slave antennas, and a monitoring device equipped with a parent antenna, the monitoring device and the acquisition units perform wireless communication to obtain battery information such as a state of change of each battery cell. A radio wave absorption part is formed on at least one of surfaces of the housing and an inside part of the housing. The radio wave absorption part absorbs a part of radio waves emitted from the parent antenna and the slave antennas.

Abstract: A negative electrode active material for a lithium secondary battery, a negative electrode including the same, and a lithium secondary battery including the negative electrode. Specifically, the present invention relates to a negative electrode active material capable of minimizing changes in a structure and internal total pore volume of an electrode during rolling of the electrode by controlling the type and amount of carbon coated on a surface of an artificial graphite active material, a negative electrode including the same, and a lithium secondary battery including the negative electrode.

Abstract: A nonaqueous electrolyte secondary battery separator which has a low shutdown temperature, a high mechanical strength, and a high ion permeability is provided. The nonaqueous electrolyte secondary battery separator contains a polyolefin-based resin as a main component. The nonaqueous electrolyte secondary battery separator has a maximum heating value of not less than 30 mW/g observed during isothermal crystallization of the nonaqueous electrolyte secondary battery separator at 128° C.

Abstract: A separator for a rechargeable lithium battery includes a porous substrate; and a coating layer on at least one surface of the porous substrate, wherein the coating layer is formed from a coating layer composition including an organosilazane compound, inorganic particles, an initiator, and a solvent, the coating layer includes a curable binder of the organosilazane compound and inorganic particles, the curable binder of the organosilazane compound includes a copolymer including a structural unit represented by Chemical Formula 1, a structural unit represented by Chemical Formula 2, and a structural unit represented by Chemical Formula 3, and a nitrogen (N) atom derived from Chemical Formula 1 is greater than about 0 at % and less than about 5 at % (atomic percent) in the coating layer, and a rechargeable lithium battery. Chemical Formula 1 to Chemical Formula 3 are as defined in the specification.

Abstract: Methods and systems are provided for a battery thermal management system. In one example, a method includes increasing coolant to a battery above a currently demanded battery cooling in response to a predicted battery temperature exceeding a threshold temperature at an upcoming location.

Abstract: A method fastens a battery control unit to a battery housing. At least one spacer is fastened to the battery housing, and the battery control unit is fastened to the battery housing at least via the spacer. After fastening the spacer to the battery housing, the spacer is reworked by way of an ablative method on a side which faces the battery control unit to a height which is required for fastening the battery control unit.