Patent application number | Description | Published |
20090017374 | BATTERY - A battery capable of improving the cycle characteristics even if the thickness of an anode active material layer is increased is provided. The battery includes a cathode, an anode and an electrolytic solution. The anode has an anode active material layer on an anode current collector, and the anode active material layer contains a carbon material and has a thickness of 30 μm or more. The electrolytic solution contains a solvent and an electrolyte salt, and the solvent contains at least one of sulfone compounds such as a cyclic disulfonic acid anhydride. | 01-15-2009 |
20090098443 | BATTERY PACK AND METHOD FOR PRODUCING THE SAME - A battery pack includes a battery including a battery element covered with a packaging member, a battery protection circuit board, a covering material, and a rippable portion formed in a part of the covering material. The battery element includes a positive electrode and a negative electrode which are spirally wound or stacked through a separator. The covering material collectively covers the battery and the battery protection circuit board. The rippable portion rips open due to a gas generated from the battery in the event of an abnormal condition to form a gas release hole for releasing the gas outside the battery pack. | 04-16-2009 |
20090191448 | Battery Pack and Method For Producing The Same - A battery pack includes: a battery including a battery element covered with a packaging member, the battery element including a positive electrode and a negative electrode which are spirally wound together or stacked on one another through a separator; a protection circuit board for the battery; and a covering material collectively covering the battery and the protection circuit board. The covering material includes a shape-retaining polymer. The shape-retaining polymer contains an insulating curable polyurethane resin including polyol and polyisocyanate. | 07-30-2009 |
20090202905 | CATHODE ACTIVE MATERIAL, CATHODE THEREWITH AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - The invention provides a cathode active material that includes: a particle containing a cathode material capable of absorbing and releasing an electrode reactive material; and a film that is disposed at least partially to the particle and contains a metal salt represented by a formula (1). | 08-13-2009 |
20100075233 | BATTERY AND ELECTRODE - A positive electrode includes: a salt represented by the following formula (1) on the surface of an active material contained in a positive electrode active material layer provided on a positive electrode collector, or at least on the surface of the positive electrode active material layer | 03-25-2010 |
20100216017 | BATTERY - A battery capable of improving the cycle characteristics even if the thickness of an anode active material layer is increased is provided. The battery includes a cathode, an anode and an electrolytic solution. The anode has an anode active material layer on an anode current collector, and the anode active material layer contains a carbon material and has a thickness of 30 μm or more. The electrolytic solution contains a solvent and an electrolyte salt, and the solvent contains at least one of sulfone compounds such as a cyclic disulfonic acid anhydride. | 08-26-2010 |
20110014518 | SECONDARY BATTERY, ANODE, CATHODE, AND ELECTROLYTE - A secondary battery, a cathode, an anode, and an electrolyte are provided. For example, a secondary battery is provided including an anode; a cathode; and an electrolyte, wherein the anode includes an anode active material and a coat including a substance selected from the group consisting of metal barium and barium compounds. | 01-20-2011 |
20110052953 | NEGATIVE ELECTRODE, NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME - A negative electrode includes: a negative electrode collector; and a negative electrode active material layer covering at least one principal plane of the negative electrode collector and containing at least a negative electrode active material, wherein the negative electrode active material contained in a region of up to at least 50% of a thickness from the surface of the negative electrode active material layer is covered with a solid electrolyte interface coating, and the solid electrolyte interface coating contains a product with a crosslinked isocyanate group in an isocyanate compound. | 03-03-2011 |
20110104557 | POSITIVE ELECTRODE AND NONAQUEOUS ELECTROLYTE BATTERY - A positive electrode for a nonaqueous electrolyte battery includes a collector, and a positive electrode active material layer. The positive electrode active material layer includes a positive electrode active material, and also includes a heteropoly acid and/or heteropoly acid compound and phosphorous acid as additives. | 05-05-2011 |
20110217597 | NONAQUEOUS ELECTROLYTE BATTERY - A nonaqueous electrolyte battery is provided and includes a positive electrode having a positive electrode active material layer containing a positive electrode active material formed on at least one surface of a positive electrode collector, a negative electrode having a negative electrode active material layer containing a negative electrode active material formed on at least one surface of a negative electrode collector, a separator provided between the positive electrode and the negative electrode, and an electrolyte. A coating film in a gel form containing an amorphous polyacid and/or polyacid compound containing one or more kinds of a polyelement is formed on the surface of at least a part of the negative electrode. Also, at least one of the polyacid and the polyacid compound contains a polyatom ion with a valence of 6 and a polyatom ion with a valence of less than 6. | 09-08-2011 |
20110250509 | SECONDARY BATTERY AND ELECTRONIC DEVICE - A secondary battery capable of improving battery characteristics is provided. The secondary battery includes a cathode | 10-13-2011 |
20110274965 | NONAQUEOUS ELECTROLYTE AND NONAQUEOUS ELECTROLYTE BATTERY - A nonaqueous electrolyte includes: a solvent, an electrolyte salt, and at least one of heteropolyacid salt compounds represented by the following formulae (I) and (II): H | 11-10-2011 |
20110274981 | NONAQUEOUS ELECTROLYTIC SOLUTION AND BATTERY - A nonaqueous electrolytic solution includes: a solvent, an electrolyte salt, a polyacid and/or a polyacid compound, and a monofluorophosphate and/or a difluorophosphate. | 11-10-2011 |
20110311864 | NONAQUEOUS ELECTROLYTE AND NONAQUEOUS ELECTROLYTE BATTERY - A nonaqueous electrolyte includes: a nonaqueous solvent; an electrolyte salt; a hydrocarbon compound having a nitrile group; and at least one of a heteropolyacid and a heteropolyacid compound. | 12-22-2011 |
20110311879 | NONAQUEOUS ELECTROLYTE AND NONAQUEOUS ELECTROLYTE BATTERY - A nonaqueous electrolyte includes: a solvent; an electrolyte salt; an aromatic compound represented by the following formula (1); and a polyoxometalate and/or a polyoxometalate compound | 12-22-2011 |
20110311885 | NONAQUEOUS ELECTROLYTE AND NONAQUEOUS ELECTROLYTE BATTERY - A nonaqueous electrolyte includes: a nonaqueous solvent; an electrolyte salt; an imide salt; and at least one of a heteropolyacid and a heteropolyacid compound. | 12-22-2011 |
20120021296 | NONAQUEOUS ELECTROLYTE BATTERY AND NONAQUEOUS ELECTROLYTE - A nonaqueous electrolyte battery includes: a positive electrode; a negative electrode; and a nonaqueous electrolyte, wherein the nonaqueous electrolyte contains a solvent, an electrolyte salt, and a polyacid and/or a polyacid compound, and the solvent contains a chain carboxylate with a total carbon number of 4 or more. | 01-26-2012 |
20120231335 | CATHODE ACTIVE MATERIAL, CATHODE THEREWITH AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - The invention provides a cathode active material that includes: a particle containing a cathode material capable of absorbing and releasing an electrode reactive material; and a film that is disposed at least partially to the particle and contains a metal salt represented by a formula (1). | 09-13-2012 |
20120321911 | NON-AQUEOUS ELECTROLYTE BATTERY, NON-AQUEOUS ELECTROLYTE BATTERY POSITIVE ELECTRODE, NON-AQUEOUS ELECTROLYTE BATTERY NEGATIVE ELECTRODE, NON-AQUEOUS ELECTROLYTE BATTERY SEPARATOR, ELECTROLYTE FOR NON-AQUEOUS ELECTROLYTE, AND METHOD OF MANUFACTURING NON-AQEUOUS ELECTROLYTE BATTERY SEPARATOR - A battery is composed of a positive electrode in which a positive electrode active material layer including a positive electrode active material is formed on a positive electrode collector, a negative electrode in which a negative electrode active material layer including a negative electrode active material is formed on a negative electrode collector, a separator provided between the positive electrode and the negative electrode, and an electrolyte impregnated in the separator. The battery further includes at least one of a heteropoly acid and a heteropoly acid compound as an additive at least in one of the positive electrode, the negative electrode, the separator, and the electrolyte. | 12-20-2012 |