Patent application number | Description | Published |
20080241705 | Electrode and Method of Fabricating It, and Battery - A battery capable of obtaining a high energy density and obtaining superior cycle characteristics is provided. A spirally wound electrode body | 10-02-2008 |
20090011333 | ANODE MATERIAL, ANODE AND BATTERY, AND METHODS OF MANUFACTURING THEM - A battery capable of improving the cycle characteristics while securing the input and output characteristics 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. The anode active material layer contains an anode material having a plurality of covering particles on a surface of an anode active material capable of intercalating and deintercalating an electrode reactant. The plurality of covering particles contain at least one of an alkali metal salt and an alkali earth metal salt. | 01-08-2009 |
20090176163 | BATTERY - A battery is provided. The battery includes an electrolytic solution, a positive electrode and a negative electrode. The negative electrode has a negative electrode active material layer containing a carbon material and having a thickness per one face of 70 μm or more and not more than 120 μm. The electrolytic solution contains a solvent containing 15% by mass or more and not more than 30% by mass of a cyclic carbonate represented by the following formula (1): | 07-09-2009 |
20090186271 | NON-AQUEOUS ELECTROLYTE BATTERY AND ELECTRODE, AND METHOD FOR MANUFACTURING THE SAME - A non-aqueous electrolyte battery including a positive electrode; a negative electrode; and a non-aqueous electrolyte, wherein at least one of the positive electrode and the negative electrode has an active material layer containing an ambient temperature molten salt and polyvinylpyrrolidone. | 07-23-2009 |
20090186274 | BATTERY - A battery including a positive electrode, a negative electrode and an electrolytic solution, wherein the negative electrode has a negative electrode active material layer containing a carbon material and a binder and having a thickness per one face of 70 μm or more and not more than 120 μm; and the binder contains a copolymer A which is obtained by copolymerizing 100 parts by weight of polyvinylidene fluoride (PVDF) and from 0 to 4 parts by weight of hexafluoropropylene (HFP) and a copolymer B which is obtained by copolymerizing 100 parts by weight of polyvinylidene fluoride and from 5 to 12 parts by weight of hexafluoropropylene in a mass content ratio of A/B of from 60/40 to 90/10. | 07-23-2009 |
20090191462 | ANODE ACTIVE MATERIAL, ANODE, BATTERY, AND METHOD OF MANUFACTURING ANODE - A battery that has a higher capacity and superior charge and discharge efficiency is provided. The battery includes a cathode, an anode, and an electrolyte. The anode has an anode active material layer provided on an anode current collector, and the anode active material layer contains a spherocrystal graphitized substance of mesophase spherule provided with a fine pore as an anode active material. | 07-30-2009 |
20090197179 | NON-AQUEOUS ELECTROLYTE BATTERY AND NEGATIVE ELECTRODE, AND METHOD FOR MANUFACTURING THE SAME - A non-aqueous electrolyte battery includes a positive electrode, a negative electrode having a negative electrode active material layer provided on a negative electrode collector and a non-aqueous electrolyte, wherein the negative electrode active material layer contains a polyvinylidene fluoride-containing binder and a nano ceramic particle having a primary particle size of not more than 100 nm; and the binder and the nano ceramic particle are complexed. | 08-06-2009 |
20090202916 | NON-AQUEOUS ELECTROLYTE BATTERY AND METHOD FOR MANUFACTURING THE SAME - A non-aqueous electrolyte battery includes a positive electrode, a negative electrode and a gel non-aqueous electrolyte, wherein at least one of the positive electrode and the negative electrode has an active material layer containing an ambient temperature molten salt and polyvinylidene fluoride; the ambient temperature molten salt and the polyvinylidene fluoride are complexed; the non-aqueous electrolyte contains one or more kinds of a non-aqueous solvent having a relative dielectric constant of 20 or more; and the content of the solvent having a relative dielectric constant of 20 or more in the non-aqueous electrolyte is 60% by mass or more relative to the whole of the non-aqueous solvent. | 08-13-2009 |
20090214952 | ANODE AND SECONDARY BATTERY - A secondary battery capable of providing a high energy density and superior cycle characteristics is provided. The secondary battery includes a cathode, an anode, and an electrolytic solution. The anode has an anode active material layer containing a carbon material and a lithium-containing compound (Li | 08-27-2009 |
20100035148 | NON-AQUEOUS ELECTROLYTE BATTERY AND POSITIVE ELECTRODE, AND METHOD FOR MANUFACTURING THE SAME - A non-aqueous electrolyte battery includes a positive electrode having a positive electrode active material layer provided on a positive electrode collector, a negative electrode and a non-aqueous electrolyte, wherein the positive electrode active material layer contains a polyvinylidene fluoride-containing binder and a nano ceramic particle having a primary particle size of not more than 100 nm; and the binder and the nano ceramic particle are complexed. | 02-11-2010 |
20100183918 | Nonaqueous electrolytic solution battery - A nonaqueous electrolytic solution composition includes: an ambient temperature molten salt in an amount of not more than 1.0% by mass relative to the total of negative electrode active materials. | 07-22-2010 |
20100196756 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolyte secondary battery includes: a positive electrode; a negative electrode; and a nonaqueous electrolyte, wherein the positive electrode contains a positive electrode active material having an olivine structure, and the nonaqueous electrolyte contains at least one member of sulfone compounds represented by the following formulae (1) and (2). | 08-05-2010 |
20100221604 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolyte secondary battery includes a positive electrode having a positive electrode active material layer provided on a positive electrode collector, a negative electrode having a negative electrode active material layer provided on a negative electrode collector, and a nonaqueous electrolyte. The nonaqueous electrolyte contains at least one member selected from the group consisting of sulfone compounds represented by the following formulae (1) and (2); and an inorganic phosphorus compound represented by the following formula (3) exists on the surface of a positive electrode active material: | 09-02-2010 |
20110059357 | NONAQUEOUS ELECTROLYTE BATTERY - A nonaqueous electrolyte battery includes: a positive electrode containing a positive electrode active material composed of a lithium complex oxide; a negative electrode; and a nonaqueous electrolyte containing a nonaqueous solvent, an electrolyte salt and at least one additive selected from the group consisting of a sulfone compound (1) represented by the following general formula (1) and a sulfone compound (2) represented by the following general formula (2) | 03-10-2011 |
20120202115 | ANODE ACTIVE MATERIAL, ANODE, BATTERY, AND METHOD OF MANUFACTURING ANODE - A battery that has a higher capacity and superior charge and discharge efficiency is provided. The battery includes a cathode, an anode, and an electrolyte. The anode has an anode active material layer provided on an anode current collector, and the anode active material layer contains a spherocrystal graphitized substance of mesophase spherule provided with a fine pore as an anode active material. | 08-09-2012 |
20140329144 | ANODE AND BATTERY - An anode and battery including the anode capable of improving the cycle characteristics while securing the input and output characteristics is provided. The battery includes a cathode, an anode, and an electrolytic solution. The anode includes an anode active material layer on an anode current collector, wherein the anode active material layer includes an anode active material capable of intercalating and deintercalating an electrode reactant, wherein a thickness of the anode active material layer ranges from 60 μm to 120 μm, and wherein the anode active material includes a carbon material and at least part of a surface is covered by a covering, the covering including at least one of an alkali metal salt and an alkali earth metal salt. | 11-06-2014 |