Abstract: To provide catalyst particles that can exhibit high activity. Catalyst particles, which are alloy particles formed from platinum atoms and non-platinum metal atoms, each alloy particle having a main body that constitutes a granular form; and a plurality of protrusions protruding outward from the outer surface of the main body, in which the main body is formed from a non-platinum metal and platinum, the protrusions are formed from platinum as a main component, and the aspect ratio (diameter/length) of the protrusions is higher than 0 and lower than or equal to 2.

Abstract: The present invention relates to a new lithium-doped Pernigraniline-based material, a method for the preparation thereof, its use in various applications, an electrode comprising said lithium-doped Pernigraniline-based material and its preparation method, a membrane comprising said lithium-doped Pernigraniline-based material and its preparation method, and an electrochemical storage system comprising said electrode.

Abstract: A battery sensor data transmission unit is described as including a data transmission unit, which is designed to output a sensor signal, which represents a physical variable in or at the battery cell to an evaluation device, using a battery housing wall and/or a wall of a battery cell as the transmission medium.

Abstract: A gas-liquid separator includes a casing in which there are formed an inlet port to which a gas-liquid two-phase flow is supplied, and an outlet port through which a gas flow is discharged after the gas-liquid two-phase flow has been separated into a gas and a liquid. A gas-liquid separation chamber is formed in the casing by a partition wall. The inlet port opens on a surface of the partition wall in the gas-liquid separation chamber. The gas-liquid separator further includes a deflection member configured to change a flow direction of the gas-liquid two-phase flow that flows in from the inlet port, and a clearance is formed between the deflection member and an inner wall of the casing.

Abstract: An energy storage device includes: a positive electrode terminal, a negative electrode terminal and an upper insulating member disposed between the positive electrode terminal or the negative electrode terminal and a lid body of the case. The positive electrode terminal includes, at a periphery of a first terminal body portion, a chamfered edge of which an edge is chamfered. The upper insulating member includes a peripheral wall which extends along the periphery of the first terminal body portion. The peripheral wall includes a chamfered corner of which a corner is chamfered, the chamfered corner facing the chamfered edge. A rib is formed on a chamfered inner side surface of the chamfered corner.

Abstract: A battery for a motor vehicle, in which electrical connections of a plurality of battery cells, are connected by at least one electrically conducting connection element. The battery cells have a galvanic element. The battery cells are connected so that a rated voltage is provided by the battery which is greater than the rated voltage of one of the battery cells. After connecting the electrical connection terminals of at least two battery cells, a switching element of one of the battery cells, arranged between an arrester of the galvanic element and one of the electrical connection terminals, is brought into a switching state in which an electrically conducting connection between an arrester of the galvanic element and at least one of the electrical connection terminals of the battery cell is produced.

Abstract: A fuel cell stack is provided that includes a cell laminate formed by stacking a plurality of unit cells in a predetermined stacking direction and a surface pressure adjustment unit stacked on a first surface of the cell laminate. The surface pressure adjustment unit adjusts a surface pressure applied to the unit cells in the stacking direction. The unit includes a first electromagnet and a second electromagnet installed between one surface of the cell laminate and the first electromagnet to pressurize the unit cells. A controller adjusts pressurizing force applied to the unit cells by the second electromagnet by selectively applying a current to the first and second electromagnets so that attractive force or repulsive forces acts between the first and second electromagnets.

Abstract: A negative electrode material applied to a lithium battery or a sodium battery is provided. The negative electrode material is composed of a first chemical element, a second chemical element and a third chemical element with an atomic ratio of x, 1?x, and 2, wherein 0<x<1, the first chemical element is selected from the group consisting of molybdenum (Mo), chromium (Cr), tungsten (W), manganese (Mn), technetium (Tc) and rhenium (Re), the second chemical element is selected from the group consisting of Mo, Cr and W, the third chemical element is selected from the group consisting of sulfur (S), selenium (Se) and tellurium (Te), and the first chemical element is different from the second chemical element.

Abstract: Provided are a negative electrode active material for a non-aqueous electrolyte rechargeable battery, a method for preparing the same, and a non-aqueous electrolyte rechargeable battery including the same and, more specifically, a negative electrode active material for a non-aqueous electrolyte rechargeable battery, including a silicon oxide composite, capable of degrading irreversible characteristics and improving structural stability of the non-aqueous electrolyte rechargeable battery, the silicon oxide composite containing silicone, a silicon oxide represented by general formula SiOx (0<x<2), and an oxide including silicone and M (M is any one element selected from the group consisting of Mg, Li, Na, K, Ca, Sr, Ba, Ti, Zr, B, and Al), a method for preparing the same, and to a non-aqueous electrolyte rechargeable battery including the same.

Abstract: A battery module having a plurality of battery cells electrically connected to each other is disclosed.

Abstract: A power storage device packaging material has a structure in which at least a substrate layer, a first adhesive layer, a metal foil layer having an anticorrosion treatment layer on either side or both sides thereof, and a sealant layer are laminated in this order. In the packaging material, the sealant layer is formed of a resin composition containing polyolefin, and the sealant layer has at least one crystallization temperature peak in a temperature range of about 100° C. to about 120° C.

Abstract: A membrane electrode assembly includes a polymer electrolyte membrane; a first electrode layer disposed on an upper surface of the polymer electrolyte membrane; and a second electrode layer disposed on a lower surface of the polymer electrolyte membrane. At least one end of the polymer electrolyte membrane is bent upward along a side of the first electrode layer and extends to an upper surface of the first electrode layer or is bent downward along a side of the second electrode layer and extends to a lower surface of the second electrode layer.

Abstract: This invention uses the process of osmosis and diffusion of a liquid of low concentration into a liquid of high concentration. The invention taps the energy created by a liquid of low concentration flowing into a liquid of high concentration. The inventor has created several embodiments that can be heat engines, heat pumps, energy storage devices, and batteries. The invention changes solar ponds and concentration cells into heat storage devices and rechargeable batteries. Osmosis at two semipervious membranes, one heated and one cooled, in a loop of tubing produces a heat engine. A heat pipe is changed into a heat engine by using different concentration at each end. Two vessels, one a high concentration of a liquid and the other containing a low concentration of a liquid, can be configured with the used of electrodes, turbines, semipervious membranes into be heat engines, heat pumps, energy storage devices, and batteries.

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 fast charge system 20 including a fast charge composite 60 and a secondary battery 22 enables the secondary battery 22 to be charged in less time than is possible with traditional charging means. The fast charge composite 60 includes a separator 62 of cellulose wetted with a second electrolyte 64 that contains third ions 94 having a positive charge and fourth ions 96 having a negative charge and contacting the adjacent electrode 32, 46 of the secondary battery 22. A fast charge layer 30 of thermally expanded graphite is disposed adjacent and parallel to the separator 62. A second electrical power PFC, which may be greater than a maximum charging power PMAX transferred through traditional charging, is transferred as a function of a second voltage V2 applied between the fast charge layer 30 and the battery lead 34, 50 of the adjacent electrode 32, 46, which causes the third ions 94 and the fourth ions 96 to migrate through the separator 62 to cause the secondary battery 22 to become charged.

Abstract: In a battery unit 10 in which plural high-voltage batteries 31a to 33a are accommodated in a battery case 50, the battery case 50 includes: a bottom plate 51A on which the batteries 31a to 33a are mounted; and a cover 52 covering the batteries 31a to 33a from above. The bottom plate 51A includes a tray 54 having a plate shape, lengthwise reinforcing members 55, and brackets 53. The lengthwise reinforcing members 55 are disposed so as to connect at least adjacent brackets 53. The lengthwise reinforcing members 55 and the brackets 53 are disposed in a lattice shape with the tray 54 interposed therebetween. The batteries 31a to 33a are fixed to the lengthwise reinforcing members 55 such that a longitudinal direction thereof faces the vehicle width direction. The battery case 50 is fixed under a floor of a vehicle V by the brackets 53.

Abstract: A protection tape for sealing a sealing portion of a flexible outer casing of a secondary battery includes a base material having a predetermined width and a length larger than the width. An adhesive layer is formed on the base material. A bending portion is formed along a length direction of the base material on one surface of the base material. The bending portion is bent at the joint portion. Multiple knife marks or grooves are formed at the bending portion.

Abstract: Provided are a positive active material, a lithium battery including the positive active material, and a method of manufacturing the positive active material. The positive active material includes a lithium molybdate composite having a core-shell structure. The lithium molybdate composite acts as a sacrificial positive electrode in a positive electrode of a battery. The positive active material is able to increase charge capacity of a lithium battery, and accordingly is able to improve lifetime properties of a lithium battery.

Abstract: A positive electrode active material for a secondary battery is provided. The positive electrode active material is a secondary particle including primary particles of a lithium composite metal oxide that contains nickel, cobalt, and manganese, wherein the manganese content in the lithium composite metal oxide exceeds 50 at % with respect to the sum content of nickel, cobalt, and manganese, and the primary particle is doped with one or two or more dopant elements selected from the group consisting of Nb, Sn, Mo, and Ta, the dopant element content being higher in a surface region of the primary particle than in the interior of the primary particle, and the dopant element concentration being 500 to 5,000 ppm with respect to the total weight of the positive electrode active material. In addition, a lithium secondary battery which includes the positive electrode active material is provided.

Abstract: An electric battery including: a plurality of electrical energy storage cells, each including a positive terminal and a negative terminal, the cells being arranged in a package containing a dielectric liquid; within the package, a controllable stirring device for circulating the dielectric liquid in contact with the positive and negative terminals of the cells; and a management device capable of detecting a possible failure of a cell and of accordingly controlling the stirring device to modify the dielectric liquid circulation conditions in the package.