Abstract: A cathode material suitable for use in non-aqueous electrochemical cells that includes copper manganese vanadium oxide and, optionally, fluorinated carbon. A non-aqueous electrochemical cell comprising such a cathode material, and a non-aqueous electrochemical cell that additionally includes a lithium anode.

Abstract: A cathode active material for a lithium secondary battery includes lithium transition metal oxide particles, wherein the lithium transition metal oxide particles may include first lithium transition metal oxide particles (first particles) including an interparticular pore and second lithium transition metal oxide particles (second particles) having an average particle diameter within a range of a diameter of the interparticular pore, measured by mercury intrusion porosimetry. By including first particles including an interparticular pore and second particles having an average particle diameter within a range of a diameter of the interparticular pore measured by mercury intrusion porosimetry, the cathode active material may have a reduced interparticular pore present therein. Accordingly, the cathode active material may have an improved pellet density. Consequently, when a lithium secondary battery is manufactured using the cathode active material, the energy density thereof may improve.

Abstract: An electrode assembly 10 includes an assembly 4 including an active material compact (active material section) 2 including an active material constituted of a transition metal oxide, a solid electrolyte layer (solid electrolyte section) 3 including a solid electrolyte having an ion-conducting property, and a multiple oxide layer (multiple oxide section) 5 including at least one of a metal multiple oxide represented by General Formula (II) below and a derivative thereof and a collector 1 provided so as to join the active material compact 2 on one surface (first surface) 41 of the assembly. Ln2Li0.5M0.5O4??(II) In the formula, Ln represents a lanthanoid element, and M represents a transition metal.

Abstract: A secondary battery pack includes: a secondary battery module including battery cells and cooling fins; a first structure formed under the secondary battery module and including a cooling channel and coupling brackets; a second structure which is formed in a shape mounted on side faces of the secondary battery module and includes a printed circuit board; and a cover mounted over the second structure.

Abstract: A battery module including an array of cooling fins having different thicknesses is provided. The battery module includes: a plurality of battery units arranged in one direction; a plurality of cooling fins between adjacent battery units; and a heat sink coupled to ends of the plurality of cooling fins, wherein each cooling fin has a structure in which a pair of sub-cooling fins are face-to-face coupled to each other, and thicknesses of the plurality of cooling fins are reduced toward the side region from the central region due to a difference in a thickness of at least one of the pair of sub-cooling fins. Since heat is not accumulated at the central region, the battery module has uniform temperature distribution while being charged or discharged.

Abstract: The present disclosure provides a battery cover catch apparatus. The apparatus includes a battery cover, a slide switch, a catch, and a body. A chute which longitudinally extends is provided on the battery cover. The slide switch is disposed on the chute so as to be able to slide between a first position and a second position. The slide switch includes a block located inside the battery cover. The block is connected to the catch so as to drive the catch to slide synchronously. The catch includes a tongue disposed in a same direction as the extending direction of the chute. The body is provided with a recess correspondingly matching to the tongue. The tongue is engaged with the recess when the slide switch is in a first position, and the tongue is separated from the recess when the slide switch is in a second position.

Abstract: The initial charge/discharge efficiency and cycle characteristics of a non-aqueous electrolyte secondary battery that contains a silicon material as a negative-electrode active material are improved. A negative-electrode active material particle (10) according to an embodiment includes a lithium silicate phase (11) represented by Li2zSiO(2+z) {0<z<2} and silicon particles (12) dispersed in the lithium silicate phase (11). A lithium silicate constituting the lithium silicate phase has a crystallite size of 40 nm or less. The crystallite size is calculated using the Scherrer equation from the half-width of a diffraction peak of a (111) plane of the lithium silicate in an XRD pattern obtained by XRD measurement of the negative-electrode active material particle 10.

Abstract: Improved anodes and cells are provided, which enable fast charging rates with enhanced safety due to much reduced probability of metallization of lithium on the anode, preventing dendrite growth and related risks of fire or explosion. Anodes and/or electrolytes have buffering zones for partly reducing and gradually introducing lithium ions into the anode for lithiation, to prevent lithium ion accumulation at the anode electrolyte interface and consequent metallization and dendrite growth. Various anode active materials and combinations, modifications through nanoparticles and a range of coatings which implement the improved anodes are provided.

Abstract: An electrochemical cell is disclosed comprising, a first flow structure, a second flow structure, and a membrane electrode assembly disposed between the first and second flow structures. The electrochemical cell further comprises a pair of bipolar plates, wherein the first flow structure, the second flow structure, and the membrane electrode assembly are positioned between the pair of bipolar plates. The electrochemical cell also includes a spring mechanism, wherein the spring mechanism is disposed between the first flow structure and the bipolar plate adjacent to the first flow structure, and applies a pressure on the first flow structure in a direction substantially toward the membrane electrode assembly.

Abstract: An object of the present invention is to provide a high-quality secondary battery having high electric characteristics and high reliability, the secondary battery preventing a shortcut between a positive electrode and a negative electrode by means of an insulating material and preventing or reducing an increase in volume and deformation of a battery electrode assembly, and a method for manufacturing the same. Secondary battery 100 according to the present invention includes a battery electrode assembly including positive electrode 1 and negative electrode 6 alternately stacked via separator 20. Positive electrode 1 and negative electrode 2 each includes current collector 3 or 8 and active material 2 or 7 applied to current collector 3 or 8.

Abstract: Provided is a highly reliable nickel-zinc battery including a separator exhibiting hydroxide ion conductivity and water impermeability. The separator is disposed in a hermetic container to separate a positive-electrode chamber accommodating a positive electrode and a positive-electrode electrolyte from a negative-electrode chamber accommodating a negative electrode and a negative-electrode electrolyte. The positive-electrode chamber has an extra positive-electrode space having a volume that meets a variation in amount of water in association with reaction at the positive electrode during charge and discharge of the battery, and the negative-electrode chamber has an extra negative-electrode space having a volume meeting a variation in amount of water in association with reaction at the negative electrode during charge and discharge of the battery.

Abstract: Provided are a composite for an anode active material and a method of preparing the same. More particularly, the present invention provides a composite for an anode active material including a (semi) metal oxide and an amorphous carbon layer on a surface of the (semi) metal oxide, wherein the amorphous carbon layer comprises a conductive agent, and a method of preparing the composite.

Abstract: A packaging material for a power storage device, comprising: a coating layer disposed directly on a first surface of a metal foil or disposed via a first corrosion protection layer; and a second corrosion protection layer, a sealant adhesive layer, and a sealant layer disposed in this sequence on a second surface of the metal foil, wherein the coating layer is produced from an aromatic polyimide resin made of a tetracarboxylic dianhydride or derivatives thereof and a diamine or derivatives thereof, and wherein the coating layer has a tensile elongation in a tensile test (in compliance with JIS K7127, JIS K7127 specimen type 5, tensile rate 50 mm/min) is not less than 20% in an MD direction and a TD direction.

Abstract: An example includes a method including forming a battery electrode by disposing an active material coating onto a silicon substrate, assembling the battery electrode into a stack of battery electrodes, the battery electrode separated from other battery electrodes by a separator, disposing the stack in a housing, filling the interior space with electrolyte, and sealing the housing to resist the flow of electrolyte from the interior space.

Abstract: Provided is a separator structure for use in a zinc secondary battery. The separator structure includes a ceramic separator composed of an inorganic solid electrolyte and having hydroxide ion conductivity and water impermeability, and a peripheral member disposed along the periphery of the ceramic separator and composed of at least one of a resin frame and a resin film. The separator structure exhibits water impermeability as a whole. The separator structure of the present invention can reliably separate the positive electrode side from the negative electrode side in a zinc secondary battery, is readily sealed and bonded to a resin battery container, and exhibits significantly improved handleability during the assembly of the battery.

Abstract: A non-aqueous electrolytic solution capable of suppressing reduction in capacity, cycle characteristics, and/or rate characteristics even when used under high voltage conditions after being stored under high temperature conditions (e.g., 60° C. or higher); and a lithium ion secondary battery using these non-aqueous electrolytic solutions are provided. The non-aqueous electrolytic solution of the present invention comprise an anion represented by the following general formula (1), a lithium cation, and a compound represented by the following general formula (2A) and/or an acid anhydride having an aromatic ring and at least one structure represented by —C(?O)—O—C(?O)— in a molecule, wherein a concentration of the anion represented by the general formula (1) is 0.1 mol/L or more.

Abstract: Improved anodes and cells are provided, which enable fast charging rates with enhanced safety due to much reduced probability of metallization of lithium on the anode, preventing dendrite growth and related risks of fire or explosion. Anodes and/or electrolytes have buffering zones for partly reducing and gradually introducing lithium ions into the anode for lithiation, to prevent lithium ion accumulation at the anode electrolyte interface and consequent metallization and dendrite growth. Various anode active materials and combinations, modifications through nanoparticles and a range of coatings which implement the improved anodes are provided.

Abstract: Provided is a highly reliable nickel-zinc battery, which includes a separator exhibiting hydroxide ion conductivity and water impermeability. The separator is disposed in a hermetic container to separate a positive-electrode chamber from a negative-electrode chamber. The positive-electrode chamber has an extra positive-electrode space having a volume that meets part of a variation in amount of water in association with the positive electrode reaction, and the negative-electrode chamber has an extra negative-electrode space having a volume that meets part of a variation in amount of water in association with the negative electrode reaction.

Abstract: Non-woven webs that can be used as battery separators for batteries, such as lead acid batteries, are generally provided. In some embodiments, battery separators comprising a non-woven web including one or more chemical additives are provided. The chemical additives may impart beneficial properties, such as enhanced separator stability and/or battery performance. In some embodiments, the chemical additive(s) may confer resistance to oxidation, heavy metal deposition, and/or formation of short circuits during cycling of a battery including the battery separator. The respective characteristics and/or amounts of the chemical additive(s) may be selected to impart desirable properties while having relatively minimal or no adverse effects on another property of the battery separator and/or the battery.

Abstract: The present invention illustrates a conductive composite material, and a negative electrode materials and a secondary battery containing the same. The conductive composite material includes a core, an inner coating layer and an outer coating layer. The core is made of a first material selected from a group consisting of WA element, metal, metal compound or alloy. The inner coating layer is existed on the core and made of oxide, nitride or carbide of the first material. The outer coating layer is existed on the inner coating layer and made of a carbon material and a second material containing halogen or VA element.