Abstract: The present invention provides a battery package used in an assembled battery, which can miniaturize the assembled battery and can impart sufficient durability; an assembled battery which can be miniaturized and have sufficient durability by provision with the relevant battery package; and a battery device provided with the relevant assembled battery.

Abstract: A cooling structure for a vehicle battery includes a battery module, a heat transfer sheet, a cooling water circulation pipe line, and a cooling-water storage chamber. In the battery module, battery cells are arranged in one direction. The heat transfer sheet is fixed to a lower surface of the battery module. The cooling water circulation pipe line faces the lower surface of the battery module with being in contact with the heat transfer sheet. The cooling-water storage chamber is of a non-circulation type and disposed below the battery module while in contact with a lower surface of the cooling water circulation pipe line.

Abstract: To provide a lithium-ion storage battery or electronic device that is flexible and highly safe. One embodiment of the present invention is a flexible storage battery including a positive electrode, a negative electrode, a separator between the positive electrode and the negative electrode, an exterior body that surrounds the positive electrode, the negative electrode, and the separator, and a wiring provided along the exterior body. At least part of the wiring is more easily breakable by deformation than the exterior body. The wiring is more vulnerable to deformation than the exterior body and thus damaged earlier than the exterior body. Damage to the wiring is detected and an alert is sent to a user; thus, the use of the storage battery can be stopped before the exterior body is damaged.

Abstract: Embodiments described herein relate generally to electrochemical cells having semi-solid electrodes that are coated on only one side of a current collector. In some embodiments, an electrochemical cell includes a semi-solid positive electrode coated on only one side of a positive current collector and a semi-solid negative electrode coated on only one side of a negative current collector. A separator is disposed between the semi-solid positive electrode and the semi-solid negative electrode. At least one of the semi-solid positive electrode and the semi-solid negative electrode can have a thickness of at least about 250 ?m.

Abstract: A battery module including a cell stack formed by stacking a plurality of battery cells; a module frame coupled to one side or both sides of the cell stack; and a fire extinguishing unit accommodated in the module frame to eject a fire extinguishing agent at a reference temperature or above.

Abstract: The present disclosure relates to a vent for a secondary battery top cover, a top cover assembly, a secondary battery and a vehicle. The vent includes a flat base and a protrusion protruding outward with respect to flat base. The protrusion has a main nick and at least one branch nick connected to at least one end of the main nick. An angle formed between the main nick and the branch nick is more than zero. When the pressure inside the case increases excessively, gas causes stress concentration at the protrusion such that the vent is torn along the main nick and the at least one branch nick, thereby releasing the gas in the case, reducing explosion risk of the secondary battery, and improving safety of the secondary battery.

Abstract: An example device includes a lithium-based battery having conductive battery contacts protruding from a surface of the battery, where a non-conductive portion of the surface of the battery separates the conductive battery contacts. The battery is a type that undergoes an expansion during charging in which the expansion of the lithium-based battery includes an outward bulging of the non-conductive portion of the battery surface. The device includes a substrate having conductive substrate contacts. The conductive battery contacts are electrically connected to the respective conductive substrate contact via a flexible electrically-conductive adhesive that physically separates the conductive battery contacts from the respective conductive substrate contacts and allows for relative movement therebetween caused by the expansion of the lithium-based battery.

Abstract: Provided is a cathode active material for a non-aqueous electrolyte secondary battery that improves the cycling characteristic and high-temperature storability without impairing the charge/discharge capacity and the output characteristics. A nickel cobalt containing composite hydroxide is obtained by using a batch type crystallization method in which a raw material aqueous solution that includes Ni, Co and Mg is supplied in an inert atmosphere to a reaction aqueous solution that is controlled so that the temperature is within the range 45° C. to 55° C., the pH value is within the range 10.8 to 11.8 at a reference liquid temperature of 25° C., and the ammonium-ion concentration is within the range 8 g/L to 12 g/L. An Al-coated composite hydroxide that is expressed by the general formula: Ni1-x-y-zCoxAlyMgz(OH)2 (where, 0.05?x?0.20, 0.01?y?0.06, and 0.01?z?0.

Abstract: Provided is a precursor of a positive electrode active material for non-aqueous electrolyte secondary batteries which allows a non-aqueous electrolyte secondary battery to have excellent battery characteristics. A manganese composite hydroxide is obtained by adjusting the pH value of an aqueous solution for nucleation containing cobalt and/or manganese to 7.5 to 11.1 on the basis of a liquid temperature of 25° C. to form plate-shaped crystal nuclei, and adjusting the pH value of a slurry for particle growth containing the plate-shaped crystal nuclei to 10.5 to 12.5 on the basis of a liquid temperature of 25° C., and supplying a mixed aqueous solution including a metal compound containing at least manganese to the slurry, thereby performing particle growth of the plate-shaped crystal nuclei.

Abstract: There is provided a nonaqueous electrolyte battery including a first electrode having a strip shape, a second electrode having a strip shape, a first electrode lead, a second electrode lead, a separator having a strip shape that is disposed between the first electrode and the second electrode, and a nonaqueous electrolyte. A laminated electrode body, which is obtained by laminating the first electrode and the second electrode through the separator in such a manner that the second electrode lead is disposed at the other end portion of the second electrode not opposite to one end portion of the first electrode to which the first electrode lead is connected, is wound in a longitudinal direction with one end to which the first electrode lead is connected made as an initial end, and a wound electrode body is obtained.

Abstract: A separator for a lead acid battery is a porous membrane having a positive electrode face and a negative electrode face. A plurality of longitudinally extending ribs, a plurality of protrusions or a nonwoven material may be disposed upon the positive electrode face. A plurality of transversely extending ribs are disposed upon the negative electrode face. The transverse ribs disposed upon the negative electrode face are preferably juxtaposed to a negative electrode of the lead acid battery, when the separator is placed within that battery.

Abstract: Provided is a negative-electrode active material for electricity storage devices that has a low operating potential, can increase the operating voltages of the electricity storage devices, and has excellent cycle characteristics. The negative-electrode active material for electricity storage devices, the negative-electrode active material containing a crystalline phase represented by a general formula Rx1R?x2MAyOz (where R represents at least one selected from Li, Na, and K, R? represents at least one selected from Mg, Ca, Sr, Ba, and Zn, M represents at least one selected from Ti, V, and Nb, A represents at least one selected from P, Si, B, and Al, 0?x1?6, 0?x2?6, 0<y?12, and 0.2?z?87, but a case where x1=0.5 and x2=0 and a case where x1=1.5 and x2=0 are excluded).

Abstract: A fuel cell includes a power generating body including a membrane electrode assembly, a resin frame placed around the power generating body, and a pair of separators laminated on the resin frame so as to sandwich the power generating body and the resin frame. The resin frame has a resin-frame-side manifold in which reaction gas flows in a direction passing through the resin frame, an opening that holds the power generating body, and a gas introduction channel formed through the resin frame between the resin-frame-side manifold and the opening. Each separator has a separator-side manifold through which the reaction gas flows, and which is provided at a position corresponding to the resin-frame-side manifold in a lamination direction, and the gas introduction channel has a gas introduction part that extends into the separator-side manifold, when viewed in the lamination direction.

Abstract: Disclosed herein is a battery that includes a chargeable/dischargeable battery cell and an outer case that houses the battery cell. The outer case having first and second top plates overlapping each other as viewed in a thickness direction thereof. The first top plate has a first convex part and a first concave part having mutually different heights in the thickness direction, the second top plate has a second convex part and a second concave part having mutually different heights in the thickness direction. The first convex part overlaps the second concave part as viewed in the thickness direction, and the second convex part overlaps the first concave part as viewed in the thickness direction.

Abstract: A lithium ion battery electrode includes silicon nanowires used for insertion of lithium ions and including a conductivity enhancement, the nanowires growth-rooted to the conductive substrate.

Abstract: The present invention relates to a method for easily producing nanoparticles by expansion, explosion, vaporization, condensation and cooling of plasma in a liquid by means of heat resistance and, more particularly, to a method for preparing a silicon nanocomposite dispersion having a uniform carbon layer coated on the surface of silicon of which at least one area is connected to a silicon carbide formed by reacting a carbon in liquid (C) during expansion, explosion, vaporization, condensation and cooling, and applied products thereof.

Abstract: Provided is an impact-transfer method of producing multiple anode particulates for a lithium battery, the method comprising: (a) mixing multiple particles of a graphitic material, multiple polymer-coated porous primary anode active material particles, with or without the presence of externally added milling balls or beads, to form a mixture in an impacting chamber of an energy impacting apparatus; (b) operating the energy impacting apparatus for peeling off graphene sheets from the particles of graphitic material and transferring the peeled graphene sheets to surfaces of the polymer-coated anode active material particles to produce particulates of graphene-encapsulated polymer-coated porous anode active material particles; (c) recovering the particulates from the impacting chamber and separating the particles of ball-milling media from the particulates; and (d) thermally converting the polymer in the polymer-coated particles into a carbon foam to obtain porous, graphene-encapsulated carbon foam-protected anod

Abstract: A lithium ion battery is provided, which includes a positive electrode, a negative electrode, and an electrolyte disposed between the positive electrode and the negative electrode. The negative electrode includes a current collector and a ?-phase-based polyvinylidene fluoride (?-PVDF) layer coating on the current collector. The ?-PVDF layer may have a thickness of 1 ?m to 10 ?m.

Abstract: Provided is a lithium secondary battery, comprising a cathode, an anode, and a porous separator or electrolyte, wherein the anode comprises: (a) an anode active layer containing a layer of lithium or lithium alloy, in a form of a foil, coating, or multiple particles aggregated together, as an anode active material; (b) a first anode-protecting layer having a thickness from 1 nm to 100 ?m, a specific surface area greater than 50 m2/g and comprising a thin layer of electron-conducting material selected from graphene sheets, carbon nanotubes, carbon nanofibers, carbon or graphite fibers, expanded graphite flakes, metal nanowires, conductive polymer fibers, or a combination thereof, and (c) a second anode-protecting layer having a thickness from 1 nm to 100 ?m and comprising an elastomer having a fully recoverable tensile elastic strain from 2% to 1,000% and a lithium ion conductivity from 10?8 S/cm to 5×10?2 S/cm.

Abstract: Provided is a lithium secondary battery, comprising a cathode, an anode, and a porous separator or electrolyte, wherein the anode comprises: (a) an anode active layer containing a layer of lithium or lithium alloy, in a form of a foil, coating, or multiple particles aggregated together, as an anode active material; (b) a first anode-protecting layer having a thickness from 1 nm to 100 ?m (preferably <1 ?m and more preferably <100 nm) and comprising a lithium ion-conducting material having a lithium ion conductivity from 10?8 S/cm to 5×10?2 S/cm; and (c) a second anode-protecting layer having a thickness from 1 nm to 100 ?m and comprising an elastomer having a fully recoverable tensile elastic strain from 2% to 1,000% and a lithium ion conductivity from 10?8 S/cm to 5×10?2 S/cm.