Abstract: An electrochemical cell includes a cathode (401), an anode (402), and a separator (403) disposed between the anode and the cathode. Material is removed from one or both of a first side edge (406,408) and a second side edge (407,409) of the cathode and anode, and optionally the separator. The cathode, the anode, and the separator are arranged in a jellyroll (500) such that the material removed from both the first side edge and the second side edge defines a multi-faceted geometry of the jellyroll.

Abstract: Disclosed herein is a secondary battery having an electrode assembly mounted in a receiving part of a pouch-shaped battery case, wherein convex parts formed to protrude from the battery case upward are provided at the upper end of the receiving part of the battery case corresponding to electrode tabs of the electrode assembly so as to support coupling portions (V-form regions) between the electrode tabs and corresponding electrode leads against injection pressure of a holt melt resin during injection molding to form a pack case with respect to the secondary battery.

Abstract: An electrode includes an electrode layer including an electrode active material or a raw material of an electrode active material and a bisphenol-based resin, and a current collector supporting the electrode layer. The bisphenol-based resin is obtained by a reaction of (a) a bisphenol-based compound, (b) at least one selected from the group consisting of aminobenzenesulfonic acids and aminobenzenesulfonic acid derivatives, and (c) at least one selected from the group consisting of formaldehyde and formaldehyde derivatives, wherein a content of a structural unit that is obtained by the reaction of the component (a), the component (b) and the component (c) and also has a benzoxazine ring is 15 mass % or less. A production method for the electrode is also disclosed.

Abstract: A method for manufacturing an electrode for a lithium-based battery by electrophoretic deposition is provided. The method includes: mixing particles with graphene oxide and a binder in a solution, the particles including a material selected from silicon, silicon oxide, silicon alloys, tin, tin oxide, sulfur, lithium manganese oxide, lithium cobalt oxide, lithium nickel oxide, lithium nickel manganese oxide, and lithium nickel manganese cobalt oxide. The method further includes applying a potential between a current collector and a counter electrode immersed in the solution to deposit a coating of a combination of the particles, at least partially reduced graphene oxide, and binder onto the current collector. The method still further includes drying the coated current collector.

Abstract: A lithium ion battery includes a first substrate having a first main surface, and a lid including an insulating material. The lid is attached to the first main surface of the first substrate, and a cavity is defined between the first substrate and the lid. The lithium ion battery further includes an electrical interconnection element in the lid, the electrical interconnection element providing an electrical connection between a first main surface and a second main surface of the lid. The lithium ion battery further includes an electrolyte in the cavity, an anode at the first substrate, the anode including a component made of a semiconductor material, and a cathode at the lid.

Abstract: Described herein are additives for use in electrolytes that provide a number of desirable characteristics when implemented within batteries, such as high capacity retention during battery cycling at high temperatures. In some embodiments, a high temperature electrolyte includes a base electrolyte and one or more polymer additives, which impart these desirable performance characteristics.

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: A system is disclosed. The system includes a thermally conductive enclosure bounding an interior cavity, a metallic cell wall structure disposed within the cavity, in thermal communication with the enclosure, and defining a plurality of cells, and a phase change material disposed within the cells and in thermal communication with the cell walls. The plurality of cells have a cell width less than about 5 millimeters, and the cell wall thickness of the cell wall structure is in a range from about 0.25 millimeter to about 1 millimeter.

Abstract: An electric storage device includes an electrode assembly including a positive electrode plate and a negative electrode plate that are insulated from each other, and a case that houses the electrode assembly. The case includes a case body including an opening, and a cover plate that is placed on an opening edge of the opening of the case body so as to cover the opening. The case body includes a step portion at the opening edge. The cover plate includes a projection that is inserted into the opening of the case body. At least a portion of the projection opposes the step portion within the case body. A seam between the cover plate and the opening edge of the case body is laser welded in at least the step portion.

Abstract: A method of manufacturing a rechargeable battery includes continuously supplying a first electrode plate, the first electrode plate including a plurality of first active material portions with gaps therebetween on a first current collector, continuously supplying a first separator and a second separator to respective surfaces of the first electrode plate, bending the first electrode plate with the first and second separators to form a zigzag structure with bent portions, supplying a second electrode plate to an inside of each bent portion of the zigzag structure, the second electrode plate including a second active material portion on a second current collector, aligning and stacking the first electrode plate, the first separator, the second separator, and the second electrode plate, and taping the aligned and stacked first electrode plate, first separator, second separator, and second electrode plate at an outermost side thereof.

Abstract: A battery wiring module may include connecting members for connecting adjacent electrode terminals to each other, an external connection terminal that is connectable to another device, and a resin protector having holding portions that hold the connecting members and the external connection terminal. A lid portion for covering the external connection terminal may be provided integrally with the resin protector via a first hinge. The lid portion may be provided with a second hinge having a hinge axis that is orthogonal to a hinge axis of the first hinge. A first lid portion that is formed by folding the first hinge and a second lid portion that is formed by folding the second hinge can be disposed in directions crossing each other.

Abstract: Provided are a negative electrode active material for a lithium ion secondary battery, which has sufficiently high discharge capacity at a high rate. The negative electrode active material containing silicon and silicon oxide includes primary particles having two phases of different compositions therein. One of the two phases has a higher silicon element concentration than the other phase, and is a fibrous phase forming a network structure in a cross section of the primary particle. Use of the negative electrode active material enables a sufficient increase in discharge capacity at a high rate.

Abstract: Provided are a pouch case of a battery and a secondary battery including the same. Specifically, the present invention relates to a pouch case of a battery, which is formed by stacking an internal resin layer, an intermediate resin layer, and an external resin layer, and a pouch-type secondary battery including the same.

Abstract: A battery is provided. The battery includes a positive electrode; a negative electrode; a separator between the positive and negative electrodes; a polymeric layer between the separator and one or both of the positive electrode and the negative electrode, the polymeric layer including an electrolytic solution comprising 13% by mass to 25% by mass of an electrolyte salt; and an exterior member housing the positive electrode, the negative electrode, the separator, and the polymeric layer, wherein the battery has a maximum attained temperature not higher than 100° C. based on a nail piercing safety test.

Abstract: There is provided a pouch-type battery that includes an exterior packaging member having an accommodating space in which an electrode and an electrolyte are accommodated and which has a curved shape at least in a first direction. The exterior packaging member includes a first film member on which a cup section having the accommodating space inside is provided, a second film member disposed to face the first film member, and a sealing section around the cup section, with which the first and second film members are bonded to each other and the accommodating space is sealed. A top surface of the cup section of the first film member has a curved shape and is provided with a plurality of concave portions or convex portions, and the sealing section has a curved shape in the first direction and is configured of a flat surface on which neither concave portion nor convex portion is provided.

Abstract: A solid state battery includes: a negative electrode layer including a negative electrode active material; a positive electrode layer including a positive electrode active material; and a solid electrolyte layer installed between the negative electrode layer and the positive electrode layer, wherein the solid electrolyte layer contacts the negative electrode layer and the positive electrode layer, and wherein the solid state battery satisfies Equation 1: {(Vp?V980)/Vp×100}?3%??Equation 1 wherein Vp is a total volume of the negative electrode layer, the positive electrode layer, and the solid electrolyte layer, and V980 is a total volume of the negative electrode layer, the positive electrode layer, and the solid electrolyte layer under the total pressure of about 980 megapascals.

Abstract: An electric storage device includes an electrode assembly, an insulating cover covering the electrode assembly, and a case including a case body having a rectangular box shape and including an opening, the case body being configured to house the electrode assembly and the insulating cover. The insulating cover is formed into a rectangular box shape conforming to the case body. An embossing is applied to the insulating cover.

Abstract: A battery pack includes a bare cell including an electrode assembly, a can housing the electrode assembly; and a cap plate sealing an open end of the can; a protective circuit module on the bare cell and including a lead member electrically coupling the protective circuit module to the bare cell; an upper cover coupled to the bare cell and covering the protective circuit module; and a shock absorber between the upper cover and the lead member.

Abstract: According to one embodiment, an active material is provided. This active material includes a mixed phase of a phase of titanium-including composite oxide and a phase of titanium oxide. The titanium-including composite oxide has a crystal structure belonging to a space group Cmca or a space group Fmmm.

Abstract: A nonaqueous electrolyte secondary battery is provided with: a positive electrode; a negative electrode that contains lithium titanate; a separator that is interposed between the positive electrode and the negative electrode; and a nonaqueous electrolyte that contains an electrolyte salt and a nonaqueous solvent. The nonaqueous solvent contains propylene carbonate, a chain carbonate A represented by general formula R1OCOOR2 (wherein each of R1 and R2 represents an alkyl group having 2 or more carbon atoms), and a chain carbonate B represented by general formula R3OCOOR4 (wherein R3 represents a methyl group and R4 represents an alkyl group). The volume fraction of the propylene carbonate in the nonaqueous solvent is within the range of 25-33% by volume; the volume fraction of the chain carbonate A in the nonaqueous solvent is within the range of 65-74% by volume; and the volume fraction of the chain carbonate B in the nonaqueous solvent is within the range of 1-10% by volume.

Abstract: A button cell includes a housing consisting of two metal housing halves, an electrode separator assembly in the form of a preferably spiral-shaped winding inside the housing, and metal conductors which electrically connect the electrodes of the assembly to the housing halves, wherein at least one of the conductors is connected to the respective housing half by welding.

Abstract: The present disclosure discloses a rechargeable Zn battery based on layered/tunnelled structure vanadium/molybdenum oxides, with/without the presence of neutral/cationic/anionic species and/or water molecules inserted into the interlayers/tunnels, of nano/microparticle morphology as robust materials for high rate and long term reversible Zn2+ ion intercalation storage at the positive electrode, that are coupled with a metallic Zn negative electrode, and an aqueous electrolyte. The positive electrode may include electronically conducting additives and one or more binders along with the Zn2+ intercalation material: the negative electrode is Zn metal in any form; the aqueous electrolyte is of pH 1 to 9 and contains a soluble zinc salt in a concentration range from 0.01 to 10 molar.

Abstract: A curved secondary battery may include a can having an opening, an electrode assembly accommodated in the can, and a cap plate coupled to the can. The cap plate may include a concave first side surface and a parallel convex second side surface, and a first surface and a second surface that connect the first and second side surfaces. The first surface may include a first groove extending along a lengthwise direction of the cap plate and positioned closer to the first side surface than to the second side surface.

Abstract: This aims to provide a pulse laser welding aluminum alloy material, which can prevent the occurrence of an abnormal portion, when an A1000-series aluminum material is welded with a pulse laser, so that a satisfactory welded portion can be homogeneously formed, and a battery case. The pulse laser welding aluminum alloy material is made of an A1000-series aluminum material, and has a viscosity of 0.0016 Pa·s or less in a liquid phase. Alternatively, the pulse laser welding aluminum alloy material has such a porosity generation rate of 1.5 (?m2/mm) or less in the pulse-laser welded portion as is numerically defined by dividing the porosity total area (?m2), as indicated by the product of the sectional area and the number of porosities, by the length (mm) of an observation section.

Abstract: A rechargeable battery, particularly a rechargeable tool battery, includes at least one cell block which has at least one heat dissipation element, which is provided to dissipate heat from the cell block, and a rechargeable battery housing, which has at least one heat radiation element, which is provided at least to radiate the heat dissipated by the heat dissipation element to the surroundings. It is provided that the heat dissipation element and the heat radiation element are formed as components configured separately from each other.

Abstract: There is provided An inside-out alkaline battery, including: a cylindrical cathode can that has a bottom, that performs a function of a cathode current collector, that has a nickel-plated layer on an inner surface of the cathode can, and that has a coating on a surface layer of the nickel-plated layer, the coating being composed of nickel-cobalt alloy, a thickness of the coating being between 0.15 ?m and 0.25 ?m (both inclusive), a ratio of cobalt in the nickel-cobalt alloy being between 40% and 60% (both inclusive); and a cathode mixture that is disposed in the cathode can, that is annular in shape, and that contains a cathode active material.

Abstract: A lithium battery and a method of preparing the lithium battery, wherein the lithium battery includes: a cathode layer including a cathode active material including a core, and an ion conductive phosphate coating layer on a surface of the core; an anode layer; and a solid electrolyte layer that is disposed between the cathode layer and the anode layer, wherein the solid electrolyte layer includes a sulfide solid electrolyte.

Abstract: According to one embodiment, there is provided a battery including a case, a lid, an electrode group, an intermediate lead, and a terminal lead. The electrode group has an end face opposed to the lid and includes current collector tabs extending from the end face. The intermediate lead contains an electrode group joint and a lead joint. The terminal lead is electrically connected to the lid and the lead joint of the intermediate lead. Each of the current collector tabs has a tip portion whose width in the direction perpendicular to the extending direction is narrow. The tip portion thereof is electrically connected to the electrode group joint.

Abstract: Provided are a battery temperature regulation system capable of efficiently heating and/or cooling a battery, and a battery temperature regulation unit suitable for use in the battery temperature regulation system. The battery temperature regulation system 10 is provided with a thermally conductive member (e.g., a heat pipe 11) thermally connected to a battery 1, a heating device (e.g., a heater 12) that heats the battery 1 via the thermally conductive member and/or a cooling device (e.g., an air conditioning apparatus) that cools the battery 1 via the thermally conductive member.

Abstract: The present invention relates to treating of multiple pathological conditions through controlled lowering of glucose levels in blood. The present invention further relates to devices capable of lowering glucose levels in blood by exposing blood to enzyme-treated pole.

Abstract: A new electrolytic solution system for lithium secondary batteries. Provided is a lithium secondary battery electrolytic solution containing a nonaqueous solvent and a lithium salt. The nonaqueous solvent is mixed at an amount of not more than 3 mol with respect to 1 mol of the lithium salt.

Abstract: A battery cell has an electrode plate pack arranged in a casing and provided with a terminal of lead material that extends through a cover opening of the casing cover of the casing. A plastic material cap is placed onto the terminal. The cap has an inner side provided with a circumferentially extending shoulder and an exterior side provided with a circumferentially extending support web. A sealing element is arranged at the inner side of the cap between cap and terminal and is positionally fixed by the circumferentially extending shoulder. The casing cover rests on the circumferentially extending support web. Cap and casing cover are welded to each other. A threaded sleeve of nonferrous metal is embedded in the lead material of the terminal and is aligned with an insertion opening of the cap. The threaded sleeve receives a connecting screw to be passed through the insertion opening.

Abstract: This invention relates to novel applications for alliform carbon, useful in conductors and energy storage devices, including electrical double layer capacitor devices and articles incorporating such conductors and devices. Said alliform carbon particles are in the range of 2 to about 20 percent by weight, relative to the weight of the entire electrode. Said novel applications include supercapacitors and associated electrode devices, batteries, bandages and wound healing, and thin-film devices, including display devices.

Abstract: The electric storage device according to the present invention includes a case having a case body and a cover plate, the case body includes a step portion at an opening edge, the cover plate includes a projection that is inserted into the opening of the case body, and a portion of the projection opposes the step portion within the case body.

Abstract: Disclosed herein is a battery cell configured to have a structure in which an electrode assembly that can be charged and discharged is mounted in a plate-shaped battery case, a cathode terminal and an anode terminal protrude from one end of the battery case, the electrode terminals deviate to one side from a vertical central axis of a battery body when viewed from above, and a depressed portion is formed at one side of the battery body.

Abstract: A battery cell module includes a plurality of battery cells, in particular lithium-ion battery cells which are arranged in a packet and each of which has a substantially prismatic cell housing. Each cell housing has the three dimensions: housing height, housing width, and housing depth. Two of the dimensions are carried out in a substantially identical manner in all the battery cells of the battery cell module, and the third dimension is carried out differently in at least two battery cells of the battery cell module. A battery includes said battery cell module and a motor vehicle includes said battery.

Abstract: A secondary battery comprises: a plurality of cylindrical electrode assemblies, wherein each electrode assembly comprises a positive electrode plate and a negative electrode plate rolled together with a separator interposed between the positive electrode plate and the negative electrode plate; a can housing the plurality of electrode assemblies; a cap assembly sealing the can; a positive electrode tab coupled to the positive electrode plate in each electrode assembly; and a negative electrode tab coupled to the negative electrode plate in each electrode assembly, wherein a first plurality of positive electrode tabs is aligned along a first line when viewed in one direction, and wherein a first plurality of negative electrode tabs is aligned along a second line when viewed in the one direction.

Abstract: An anode structure may include a first bus bar having a first conductive coating, a second bus bar having a second conductive coating, and a plurality of silicon elements between the first bus bar and the second bus bar with a first void between a first one of the silicon elements and a second one of the silicon elements. Additionally, at least the first one of the silicon elements to expand into the first void.

Abstract: A rechargeable battery includes an electrode assembly for performing charging and discharging operations, a case accommodating the electrode assembly, a cap plate coupled to an opening of the case, an electrode terminal installed on the cap plate, and a lead tab connecting the electrode assembly to the electrode terminal, the lead tab including a terminal connection part connected to the electrode terminal, and a current-collecting connection part connected to the electrode assembly, the current-collecting connection part including a welding portion connected to the electrode assembly, and an absorption portion separated from the welding portion in a first direction parallel to the cap plate and provided on an outer side of the welding portion.

Abstract: A battery cover assembly for a portable electronic device includes a base body, a battery cover and an operating member. The base body defines a first groove, and a first block and a second block received in the first groove. The battery cover defines a second groove and a support frame integrally formed in the second groove. The support frame defines a through hole and a finger portion extending into the through hole. The operating member is attached to the battery cover, and includes a column and a projection formed at one side of the column, the column extending into the through hole, and the projection abutting against the finger portion. The operating member is slid to allow the battery cover to releasably latch to the base body.

Abstract: A pyrolytic hydrogen generator comprising a pressure vessel containing a plurality of cardboard receptacles for the thermally decomposable hydrogen generating material and an associated ignition system. Also, a modular pellet tray assembly for use in the generator comprises a plurality of trays having pellet holders and associated igniters and held in a stack by support rods that also provide electrical connectivity to the trays.

Abstract: A rechargeable battery pack includes a frame accommodating a unit cell including a rechargeable battery; a protection circuit module electrically connected to the unit cell and in the frame; and a pair of cases coupled to opposite sides of the frame and accommodating the unit cell and the protection circuit module, and wherein the frame has coupling grooves in the sides and wherein each of the pair of cases comprises coupling protrusions, the coupling protrusions of each case being alternately coupled to the coupling grooves.

Abstract: An electrochemical cell is provided that includes a structurally and compositionally disordered electrochemically active alloy material as an anode active material with unexpected capacity against a nickel hydroxide based cathode active material. The disordered metal hydroxide alloy includes three or more transition metal elements and is formed in such a way so as to produce the necessary disorder in the overall system. When an anode active material includes nickel as a predominant, the resulting cells represent the first demonstration of a functional Ni/Ni cell.

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: A battery pack includes: a battery; a battery case including: a battery tray which contains the battery; and a battery cover which is mounted on the battery tray; a cooling unit provided in an end part of the battery case in a first direction that is a longitudinal direction of the battery case, and supplying a cooling air into the battery case; an air flow passage provided above the battery and extending along the first direction, in a center part in a second direction perpendicular to the first direction inside the battery case, one end of the air flow passage connected to the cooling unit; and an electric cable arranged between the air flow passage and the battery cover, along the first direction, and supplying an electric power of the battery to a motor.

Abstract: There is provided non-aqueous organic electrolytic solution for a lithium primary battery which can be stored for long period at elevated temperatures or at the end stage of discharge. Non-aqueous organic electrolytic solution 20 for lithium primary battery 1 having a cathode active material which is manganese dioxide and an anode active material which is either of lithium or lithium alloy includes a base electrolytic solution that is composed of organic solvent and supporting electrolyte and to which either one of hydroxyphthalimide or hydroxyphthalimide derivative is added as an additive. An amount of the additive which is added to the base electrolytic solution is 0.1 wt % or more and 5.0 wt % or less. It is more preferable that the amount of the additive which is added to the base electrolytic solution is 0.1 wt % or more and 1.0 wt % or less.

Abstract: The present disclosure provides a stack-folding type electrode assembly in which a plurality of full cells or bicells as unit cells is stacked on top of each other and surrounded by a second separator, each cell including a positive electrode, a negative electrode, and a first separator interposed between the positive electrode and the negative electrode, wherein a first binder is coated on at least a partial surface of the first separator, a second binder is coated on at least a partial surface of the second separator, and a content of the second binder is higher than a content of the first binder, to inhibit a loose phenomenon inside a battery, make the battery less prone to expansion, and have deformation resistance to an external impact.

Abstract: A secondary battery that includes a can, an electrode assembly accommodated in the can together with an electrolytic solution, a cap assembly sealing, the can, and an insulation member. The insulation member is interposed between the electrode assembly and the cap assembly. The insulation member includes a heat shrinkable material. The insulation member is contained within the can and in direct physical contact with an end of the electrode assembly.

Abstract: Disclosed herein is a battery cell configured to have a structure in which an electrode assembly including a separator disposed between a cathode and an anode is mounted in a battery case, wherein an asymmetric structure with respect to a central axis crossing the electrode assembly in plane is formed at a portion of at least one side of the electrode assembly constituting the outer circumference of the electrode assembly.

Abstract: Disclosed in this specification is a method for providing a stretchable power source and corresponding device. The device has at least two stretchable fabrics with silver-coated fibers. Each fabric has cathodic and anodic materials, respectively, deposited between the fibers. The fibers are sealed with an elastomeric pouch having an electrolyte. The stretchable power source has substantially no change in discharge capacity when stretched from 0% strain to 100% strain.