Abstract: A lithium ion secondary battery 10 includes at least one cell obtained by laminating a positive electrode 1, an electrolyte layer 2, and a negative electrode 3 in this order. The electrolyte layer 2 contains a fluoride. The negative electrode 3 has a negative electrode active material layer containing a silicon compound. At least one of the negative electrodes 3 has a mass ratio of fluorine/silicon (F/Si ratio) of 1.0 or less on a surface of the negative electrode active material layer.

Abstract: The invention relates to a battery housing, in particular for an energy accumulator for a hybrid drive, comprising a tubular main body and at least two terminating covers, which are inserted into the main body and each have a cover plate that is offset inwards in the longitudinal direction of the main body and supports housing walls of the main body, wherein the terminating covers are each welded to the main body and all joints of the battery housing are formed without separate connecting elements.

Abstract: A secondary battery includes a cathode, an anode, and an electrolytic solution including a cyano compound.

Abstract: A decomposition reaction of an electrolyte solution and the like caused as a side reaction of charge and discharge is minimized in repeated charge and discharge of a lithium ion battery or a lithium ion capacitor, and thus the lithium ion battery or the lithium ion capacitor can have long-term cycle performance. A negative electrode for a power storage device includes a negative electrode current collector and a negative electrode active material layer which includes a plurality of particles of a negative electrode active material. Each of the particles of the negative electrode active material has an inorganic compound film containing a first inorganic compound on part of its surface. The negative electrode active material layer has a film in contact with an exposed part of the negative electrode active material and part of the inorganic compound film. The film contains an organic compound and a second inorganic compound.

Abstract: The present teaching provides a non-aqueous electrolyte secondary battery provided with a non-aqueous electrolyte solution having a composition able to achieve high battery performance even in an extremely low temperature region (for example, ?30° C. or lower). The non-aqueous electrolyte solution disclosed herein contains, as non-aqueous solvents, ethylene carbonate (EC), propylene carbonate (PC), dimethyl carbonate (DMC), ethyl methyl carbonate (EMC) and ethyl propionate (EP), and when the total volume of the non-aqueous solvents is 100 vol. %, the content of EC is 20 to 30 vol. %, the content of PC is 5 to 10 vol. %, the content of EP is 5 to 10 vol. %, and the content of DMC+EMC is 50 to 70 vol. %.

Abstract: A metal-air battery includes a unit cell wound into a roll. The unit cell includes a negative-electrode metal layer having a first surface located in a circumferential direction of the roll and a second surface facing the first surface and located in the circumferential direction of the roll; a first electrolyte film and a first positive-electrode layer sequentially disposed on the first surface of the negative-electrode metal layer; and a second electrolyte film and a second positive-electrode layer sequentially disposed on the second surface of the negative-electrode metal layer. The unit cell is wound in a way such that the first positive-electrode layer and the second positive-electrode layer face each other.

Abstract: The invention relates to a device for producing an electrically conductive connection between two battery modules of an electrically drivable motor vehicle, comprising at least one clamping unit, which is composed of metal and can be clamped to a connection pole of a battery cell of a battery module or can be clamped to a cell connector that is arranged on the connection pole and that connects the connection pole in an electrically conductive manner to a connection pole of a further battery cell of the battery module.

Abstract: An electricity storage module includes: an electricity storage element group formed by aligning multiple electricity storage elements; detection wires that have end portions on one side connected to the electricity storage elements and detect the states of the electricity storage elements; a detection wire connector that is connected to other end portions on a side opposite to that of the end portions on the one side of the detection wires that are connected to the electricity storage elements; a device connector that electrically connects the detection wires and an external device by fitting into the detection wire connector; and a cover that covers a surface on a side on which the detection wires of the electricity storage element group are disposed. The cover is provided with a fixing hole that fixes the detection wire connector and the device connector in a state of being fit together.

Abstract: Provided is a wearable device having a flexible battery, and the wearable device includes: a functional unit; a band unit that fixes the functional unit to a wrist of a user; and a thin plate flexible battery that is embedded in the band unit and supplies power to the functional unit.

Abstract: An easy-to-remove member includes a first surface and a second surface. The first surface includes a weak adhesive portion that is bonded with a bottom surface of a battery, and a strong adhesive portion that is bonded with a top surface of the battery. A separating structure is arranged at a boundary between the weak adhesive portion and the strong adhesive portion and is to separate the easy-to-remove member into a first body and a second body. The first body corresponds to the weak adhesive portion. The second body corresponds to the strong adhesive portion. At least a part of the second surface of the first body is bonded with an inner wall of a battery cabin and the second surface of the second body is attached to the inner wall of the battery cabin.

Abstract: A battery pack housing structure is used for an electronic apparatus including a housing portion for housing a battery pack and a battery cover for covering the housing portion. The battery pack, the housing portion, and the battery cover comprise battery-pack side-surface protruding portions, housing-portion side-surface protruding portions, and cover lower-surface protruding portions, respectively. Before the battery pack is positioned at a mounting position in the electronic apparatus, the battery pack is positioned at a pre-mounting position. When the battery cover is mounted, the battery pack is pushed from the pre-mounting position to the mounting position. The battery-pack side-surface protruding portions, the housing-portion side-surface protruding portions, and the cover lower-surface protruding portions are engaged, and movement of the battery pack in a terminal connection direction and movement of the battery pack from the lower surface toward the upper surface are thereby restricted.

Abstract: According to one embodiment, a battery includes a flat-shaped electrode group, a package member and a terminal section. The package member includes a stainless steel-made first package having a flange at an opening and a stainless steel-made second package. The electrode group is stored in a space formed by welding the flange of the first package to the second package. The terminal section includes a through-hole that is open to the first package, a ring-shaped rising portion that extends from a periphery of the through-hole toward an inside of the package member, a ring-shaped member that is arranged on an outer surface of the rising portion, an insulation gasket, and an external terminal. The external terminal is fixed to the first package by caulking.

Abstract: The present invention relates to: a non-aqueous electrolyte additive comprising, as a substituent, at least one cyano group and/or at least one fluorine element; a non-aqueous electrolyte for a lithium secondary battery, comprising the same; and a lithium secondary battery including the non-aqueous electrolyte.

Abstract: This battery is provided with a power generating element, a battery case main body, a battery case lid, an electrode terminal member which is connected electrically to the power generating element inside of the battery case body and which extends outside of the battery case lid, and an outer insulation member which is arranged on the battery case lid and insulates the electrode terminal member from the battery case lid. The battery case lid is fitted inside of the opening and welded to the battery case main body by irradiating a laser from above the battery case lid towards the boundary section between the battery case lid and the battery case main body. Furthermore, this battery is provided with a plume control portion which prevents the plume that rises from the boundary portion during welding from rising towards the outer insulating member.

Abstract: A rechargeable battery includes an electrode assembly having a first electrode and a second electrode on either side of a separator, a case accommodating the electrode assembly, a cap plate sealing the case and electrically connected to the second electrode, a first terminal electrically connected to the first electrode and located with a terminal hole of the cap plate, and a second terminal directly connected to the cap plate, wherein the second terminal includes a spacing part spaced from the cap plate and configured to be connected to a bus bar, and a connection part connected to the spacing part through a round part and connected to the cap plate, wherein a curvature radius of an outer surface of the round part is less than a first thickness of the connection part.

Abstract: An exemplary battery assembly includes first and second pieces of an enclosure, a flange of the first piece, and a clamping device compressing together the flange and a portion of the second piece to seal an interface. The clamping device has an interior area that receives the flange such that the clamping device extends continuously from a first side, about an outer edge, to an opposite, second side of the flange. An exemplary battery enclosure securing method includes receiving a flange of a first enclosure piece within an open area of a clamping device while the clamping device compresses together the flange and a portion of a second enclosure piece. The clamping device extends continuously from a first side of the flange, about an outer edge of the flange, to an opposite, second side of the flange when the flange is received within the open area.

Abstract: An electrochemical device has a positive-electrode terminal, a negative-electrode terminal, a first electrode body, a second electrode body, and electrolytic solution. The positive-electrode terminal is flat plate-shaped, and has a first principal face and a second principal face on the opposite side. The negative-electrode terminal is flat plate-shaped, and has a third principal face and a fourth principal face on the opposite side. The first electrode body has a first wound positive-electrode non-forming region and a first wound negative-electrode non-forming region. The second electrode body has a second wound positive-electrode non-forming region and a second wound negative-electrode non-forming region.

Abstract: A battery module includes battery cells arranged adjacent to each other along a first direction, a spacer between neighboring battery cells, and a multi-layer insulation sheet between the neighboring battery cells together with the spacer, the multi-layer insulation sheet including a plurality of insulation layers extending in parallel with surfaces of the battery cells.

Abstract: Provided herein are electrolytes for lithium-ion electrochemical cells, electrochemical cells employing the electrolytes, methods of making the electrochemical cells and methods of using the electrochemical cells over a wide temperature range. Included are electrolyte compositions comprising a lithium salt, a cyclic carbonate, a non-cyclic carbonate, and a linear ester and optionally comprising one or more additives.

Abstract: The present invention relates to a battery module for storage of electrochemical cells, including a cover assembly including an inner frame that encloses an end of the cells and applies a compressive force thereto, an intermediate frame that is snap fit to an outer surface of the inner frame and supports ancillary structures of the battery system, and an outer cover that is snap fit to an outer surface of the intermediate frame.

Abstract: An energy storage cell includes an electrically conductive housing having at least one first, one second, and one third outer wall, with the first outer wall being located at a distance from the second outer wall, and with the third outer wall connecting the first and second outer walls to one another. At least one electrochemical element is disposed in the housing having one anodic connection and one cathodic connection. An anodic current tap on the first outer wall is connected to the anodic connection in an electrically conductive fashion, and a cathodic current tap is connected in an electrically conductive fashion to the first or third outer wall. The cathodic connection is connected in the interior of the housing to the second outer wall in an electrically and thermally conductive fashion.

Abstract: The present invention relates to a pouch case for a secondary battery and a pouch-type secondary battery comprising the same. More particularly, it relates to a pouch case for a secondary battery comprising an inner resin layer, a metal layer and an outer resin layer, wherein the inner resin layer comprises a porous non-woven fabric support having a plurality of pores and a polymer sealant filled in the pores of the non-woven fabric support; and a secondary battery comprising the same.

Abstract: Disclosed is a jellyroll-type electrode assembly including a first electrode, a second electrode, and a separator interposed between the electrodes folded together, in which the first electrode has a non-coating part and a first electrode tab attached onto the non-coating part, the non-coating part representing a part of the first electrode not coated with an active material, and the at least double-folded-layer separator is disposed between the first electrode tab and the second electrode.

Abstract: A module carrier (20; 20?; 30; 40; 50; 60; 70; 80; 90; 92; 94) for battery cells (1001, 1002, 1003), characterized by: a first carrier device (2001) and a second carrier device (2002), which is arranged opposite the first carrier device (2001), for carrying the battery cells (1001, 1002, 1003), and a first connecting device (3001) and a second connecting device (3002), which is arranged opposite the first connecting device (3001), in each case for connecting the first carrier device (2001) and the second carrier device (2002).

Abstract: A nonaqueous electrolyte for a lithium secondary battery, the nonaqueous electrolyte including: a fluorine-containing lithium salt, an organic solvent, and an organosilicon compound represented by Formula 1: wherein, in Formula 1, R1 to R3 may be each independently a C1-C10 alkyl group. Also a lithium secondary battery including the nonaqueous electrolyte.

Abstract: A battery cell configured to have a structure in which an electrode assembly, including a positive electrode, a negative electrode, and a separator interposed therebetween, is mounted in a battery case, the electrode assembly including two or more unit cells having different planar sizes, the unit cells being stacked in the height direction on the basis of a plane, at least one first unit cell selected from among the unit cells has an asymmetric structure formed on at least one side of the outer edge thereof on the basis of a middle axis crossing a main body of the first unit cell when viewed from above, and at least one second unit cell selected from among the unit cells has an indented portion indented from at least one side of the second unit cell toward the middle of the second unit cell.

Abstract: A negative electrode active material is provided for a lithium ion secondary battery having high initial charging/discharging efficiency. The negative electrode active material containing silicon and silicon oxide has two phases with different compositions therein. One of the two phases has a lower silicon element concentration than the other phase, and is a fibrous phase forming a network structure in a cross section of primary particle of the negative electrode active material. Use of the negative electrode active material enables a sufficient increase in initial charging/discharging efficiency.

Abstract: A secondary battery including: a plurality of unit cells, wherein each unit cell of the plurality of unit cells includes a cathode extending in a top to bottom direction, an electrolyte membrane surrounding at least three surfaces of the cathode, and an anode surrounding at least a portion of the electrolyte membrane, wherein unit cells of the plurality of unit cells are spaced apart from each other in a left to right direction, with cavities therebetween, and a support member configured to support the plurality of unit cells in the left to right direction and disposed between unit cells of the plurality of unit cells.

Abstract: According to one embodiment, an active material is provided. This active material is represented by the general formula of Li(2+x)Na2Ti6O14, wherein x is within a range of 0?x?6. The active material includes at least one element selected from the group consisting of Zr, Mo, W, V, Nb, Ta, P, Y, Al, Fe, and B in a content of 0.03 to 8.33 atom %.

Abstract: A lithium secondary battery includes an electrode assembly to which an electrode tap is attached, an electrode tap receptor configured to house a portion of the electrode assembly such that a portion of the electrode tap protrudes to an outside, and a case configured to surround the electrode assembly and seal the electrode assembly together with the electrode tap receptor, wherein the electrode tap receptor includes a gas barrier layer.

Abstract: The present invention relates to a hollow packaging for a cable-type secondary battery and a cable-type secondary battery comprising same, and more specifically, to a hollow packaging for a cable-type secondary battery and a cable-type secondary battery comprising same, wherein the hollow packaging for a cable-type secondary battery comprises a packaging sheet including a sheet-type thin metal layer provided with a corrugated pattern on the surface, a first polymer resin layer formed on one surface of the thin metal layer, and a mechanical support layer formed on the other surface of the thin metal layer, wherein the packaging sheet forms a hollow space by bending so that the first polymer resin layer faces inward.

Abstract: Disclosed is a secondary battery to which an electrolyte can be additionally supplied. More particularly, provided is a secondary battery including an electrode assembly that includes a positive electrode, a negative electrode, and a separator disposed between the positive electrode and the negative electrode, and a porous elastic body that can contain an electrolyte, which are installed in a battery case.

Abstract: The secondary battery of the present invention includes: a top cover, a first electrode terminal, a second electrode terminal, an electrode-tab pad-plate, an electrode assembly, a first electrode-tab and a second electrode-tab; the first and second electrode terminal are arranged on the top cover, the electrode-tab pad-plate is a strip-plate shaped structure, and is located between the top cover and electrode assembly, the first electrode-tab includes a connecting part, a folding part and a welding part, the connecting part is beneath the electrode-tab pad-plate, the welding part is above the electrode-tab pad-plate, the connecting part is connected with the electrode assembly, the welding part is connected with the first electrode terminal, the folding part is connected with the connecting part and welding part bypassing the electrode-tab pad-plate; the second electrode terminal is connected with the electrode assembly through the second electrode-tab.

Abstract: To provide a battery device including a battery; a first cooling system having a first cooling fan and a first temperature sensor; a second cooling system having a second cooling fan and a second temperature sensor; and a controller, wherein the controller carries out abnormality determination with respect to a temperature sensor when a difference between the first cooling air temperature and the second cooling air temperature, detected by the first temperature sensor and the second temperature sensor, respectively, after elapse of a predetermined set period after a start switch of the vehicle is turned off while the first cooling fan and the second cooling fan remain stopped, is equal to or greater than a predetermined amount.

Abstract: A vent adapter for a lead-acid battery includes a first side configured to mate with a vent port of the lead-acid battery via a first connector having a first geometry; and a second side in fluid communication with the first side and configured to mate with a vent passage of an automobile via a second connector having a second geometry, wherein the first and second geometries have respective shapes that are different from one another.

Abstract: Disclosed is a lithium secondary battery with improved rate characteristics. More particularly, disclosed is a lithium secondary battery including a cathode, an anode, a separator disposed between the cathode and the anode, and an electrolyte, wherein the electrolyte includes a mixed solvent of a cyclic carbonate-based material and a propionate-based material, the cathode includes a lithium manganese composite oxide represented by Formula 1 below as a cathode active material, and the anode includes a lithium metal oxide represented by Formula 2 below as an anode active material: LixMyMn2-yO4-zAz??(1) wherein 0.9?x?1.2, 0<y<2, and 0?z<0.2; M is at least one element selected from the group consisting of Al, Mg, Ni, Co, Fe, Cr, V, Ti, Cu, B, Ca, Zn, Zr, Nb, Mo, Sr, Sb, W, Ti, and Bi; and A is at least one monovalent or divalent anion. LiaM?bO4-cAc??(2) wherein M? is at least one element selected from the group consisting of Ti, Sn, Cu, Pb, Sb, Zn, Fe, In, Al, and Zr; 0.1?a?4 and 0.

Abstract: An electrochemical device includes a cathode containing graphene-wrapped Li2S nanoparticles. The graphene-wrapped Li2S nanoparticles are prepared by a method including heating lithium metal, and a carbon-sulfur source or a carbon source and a sulfur source in a sealed container at a temperature to produce lithium vapors, and vapors of the carbon-sulfur source or vapors of the carbon source and vapors of the sulfur source; and cooling the sealed container to produce the graphene-wrapped Li2S nanoparticles.

Abstract: A graphene oxide-bonded metal foil current collector in a battery or supercapacitor, comprising: (a) a free-standing, non-supported thin metal foil having a thickness from 1 ?m to 30 ?m and two primary surfaces; and (b) a thin film of graphene oxide chemically bonded to at least one of the two primary surfaces without using a binder or adhesive wherein the primary surface does not contain a metal oxide layer and the thin film of graphene oxide has a thickness from 10 nm to 10 ?m, an oxygen content from 0.1% to 10% by weight, an inter-graphene plane spacing of 0.335 to 0.50 nm, a physical density from 1.3 to 2.2 g/cm3, all graphene oxide sheets being oriented substantially parallel to each other and parallel to the primary surfaces, exhibiting a thermal conductivity greater than 500 W/mK, and/or electrical conductivity greater than 1,500 S/cm when measured alone without the thin metal foil.

Abstract: A secondary battery including: an electrode assembly; a case accommodating the electrode assembly; a cap assembly including a cap plate coupled to the case, and a bottom plate attached to a bottom surface of the cap plate; and an electrode terminal protruding from the cap assembly and electrically connected to the electrode assembly, and the bottom plate includes a terminal plate electrically connected to the electrode terminal, and an insulation film stacked on the terminal plate and electrically insulating the terminal plate and the cap plate from each other, the insulation film being integrally formed with the terminal plate.

Abstract: A method of generating electricity which comprises forming a galvanic cell comprising two electrodes in contact with an ionic conductor, wherein the ionic conductor comprises an explosive composition or is derived from an explosive composition.

Abstract: An energy storage device includes: an electrode terminal; an electrode assembly; a current collector configured to electrically connect the electrode terminal to the electrode assembly; and a container configured to store the electrode assembly and the current collector. The current collector includes a terminal connection part connected to the electrode terminal and an electrode assembly-connection part connected to the electrode assembly. The energy storage device further includes a spacer disposed lateral to the electrode assembly-connection part of the current collector. The spacer includes a restriction part configured to contact a part in a longitudinal direction of the electrode assembly-connection part of the current collector to restrict movement of the current collector in the longitudinal direction.

Abstract: A rechargeable battery (1) for hand-guided electromechanical tools, having a plurality of rechargeable battery cells (10) which are electrically connected to one another by means of electrical cell connectors (110), wherein the electrical cell connectors (110) are fixed to a cell connection frame (120), which is provided on one pole side (19) of the rechargeable battery cells (10), for the purpose of simplified mounting of the electrical cell connectors (110) on the rechargeable battery cells (10). Furthermore, an electromechanical tool, in particular a cordless screwdriver, a drill, a circular saw, a jigsaw, a sander, a garden appliance, having a rechargeable battery (1) according to the invention.

Abstract: The present invention is directed to an electrochemical cell having plate electrodes housed inside a mating “clamshell” casing. When mated together, the casing components are form-fitting with respect to the internal battery structure so as to reduce the overall size of the electrochemical package. A header assembly containing both a glass-to-metal seal opening for a terminal lead and an electrolyte fill opening is used in conjunction with the clamshell casing. The electrolyte fill opening is constructed with an elongated opening with at least two different radii. A first and second sealing element is welded within the electrolyte fill opening at different depths within the header to block the flow of electrolyte and form a hermetic seal.

Abstract: A solid-state three-dimensional battery assembly includes a solid bicontinuous monolithic carbon anode, a solid electrolyte layer, and a solid cathode. The solid monolithic carbon anode has an ordered three-dimensionally continuous network nanostructure, a length of at least 100 nm, and an average thickness of 3 to 90 nm. The ordered three-dimensionally continuous network nanostructure of the anode defines a plurality of pores having an average diameter of 5 to 100 nm. The solid electrolyte layer is disposed directly on the anode, has an average thickness of 3 to 90 nm, and fills a portion of the pores defined by the ordered three-dimensionally continuous network nanostructure of the anode. The solid cathode is disposed directly on the electrolyte layer, has an average thickness of 3 to 90 nm, and also fills a portion of the pores defined by the ordered three-dimensionally continuous network nanostructure of the anode. Related devices and methods are also provided.

Abstract: Provided is a method for manufacturing a lithium cobaltate oriented sintered plate, comprising (a) providing a green sheet comprising Co3O4 particles, (b) firing the green sheet to form a Co3O4 oriented sintered plate, and (c) firing the sintered plate in the presence of a lithium source to introduce lithium and thereby form the lithium cobaltate oriented sintered plate composed of LiCoO2, the method further comprising (d1) attaching a Mg-containing compound to the Co3O4 oriented sintered plate before the step (c) or (d2) attaching the Mg-containing compound to the lithium cobaltate oriented sintered plate after the step (c) to fire the sintered plate. According to the present invention, a lithium cobaltate oriented sintered plate can be manufactured in which grain boundaries in the plate thickness direction are significantly reduced and with which enhanced battery performance can be achieved when used as a positive electrode active material in lithium secondary batteries.

Abstract: A detachable structure of a battery to be attached to a case includes a wrapping of the battery and a housing of the case. The wrapping wraps the battery and comprises a slit. The housing houses the battery wrapped in the wrapping. The housing is bonded to the wrapping in a part of area.

Abstract: A sealed battery (1) is provided with a current interrupting mechanism (62) that interrupts current that flows through an electrode body (10) when an internal pressure (F) of a battery case (80) exceeds an operating pressure (G). The current interrupting mechanism includes a movable member (64) that includes a moving portion (64A) that moves with a rise in the internal pressure, and a conductive member (63) that is electrically connected to the electrode body. The conductive member (63) includes a protruding portion (63A) that protrudes toward the moving portion. A weld (PT) created by welding using an energy beam is interposed between the protruding portion and the moving portion. The conductive member has, around the protruding portion, an annular groove (63BG) that fractures in an annular shape surrounding the weld when the internal pressure exceeds the operating pressure. The protruding portion elastically pushes against the moving portion via the weld.

Abstract: A secondary battery is disclosed. In one aspect, a secondary battery includes a battery cell including an electrode, a cap cover placed over the battery cell and having an opening that exposes the electrode and a connection member placed over the cap cover and electrically connected to the electrode. The secondary battery also includes a protrusion extending upwardly from the cap cover and contacting the connection member, wherein a gap is formed between the cap cover and the connection member.

Abstract: A module maintenance system includes a battery module, a charging device, and a rig. The battery module has a series configuration and a parallel configuration. In the parallel configuration, the rig connects each battery cell of the battery module in parallel and the charging device charges each battery cell of the battery module using the rig. In the series configuration, the battery module serially connects each battery cell of the battery module to a first terminal and a second terminal and the charging device charges each battery cell of the battery module using the first terminal and the second terminal.

Abstract: An electrolyte for a rechargeable lithium battery includes a lithium salt, a non-aqueous organic solvent, and an additive, where the additive includes a compound represented by Chemical Formula 1. A rechargeable lithium battery including the electrolyte includes a positive electrode including a positive active material, a negative electrode including a negative active material, and the electrolyte.