Patent application number | Description | Published |
20120321948 | POSITIVE ELECTRODE MATERIAL, MANUFACTURING METHOD THEREOF, POSITIVE ELECTRODE FOR NON-AQUEOUS RECHARGEABLE BATTERY, AND NON-AQUEOUS RECHARGEABLE BATTERY - A positive electrode material that can form a positive electrode mixture containing composition with reduced changes over time and high productivity, a manufacturing method thereof, a non-aqueous rechargeable battery less likely to swell and having a high storage characteristic during storage at high temperatures, and a positive electrode that can form the battery are provided. The object is solved by providing a positive electrode material having a coating layer of an organic silane compound on a surface of a positive electrode active material made of a lithium nickel composite oxide represented by the general compositional formula (1): Li | 12-20-2012 |
20130236780 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A non-aqueous electrolyte secondary battery including a positive electrode, a negative electrode, a non-aqueous electrolyte, and a separator, wherein the positive electrode includes a positive electrode current collector and a positive electrode material mixture layer formed on one or both sides of the positive electrode current collector, the positive electrode material mixture layer has a thickness greater than 80 μm per side of the positive electrode current collector, the positive electrode material mixture layer includes a positive electrode active material, the positive electrode active material is composed of secondary particles formed by aggregation of primary particles, the secondary particles have an average particle size of 6 μm or less, and, when diffraction-line integrated intensities of the (003) plane and the (104) plane in an X-ray diffraction chart of the positive electrode material mixture layer are I003 and I104, respectively, the ratio I003/I104 of the integrated intensities is 1.1 or more. | 09-12-2013 |
Patent application number | Description | Published |
20110052987 | BATTERY SEPARATOR AND NONAQUEOUS ELECTROLYTE BATTERY - A nonaqueous electrolyte battery of the present invention includes a positive electrode having a positive active material capable of intercalating and deintercalating a lithium ion, a negative electrode having a negative active material capable of intercalating and deintercalating a lithium ion, a separator interposed between the positive electrode and the negative electrode, and a nonaqueous electrolyte. The heat generation starting temperature of the positive electrode is 180° C. or higher. The separator includes heat-resistant fine particles and a thermoplastic resin. The proportion of particles with a particle size of 0.2 μm or less in the heat-resistant fine particles is 10 vol % or less and the proportion of particles with a particle size of 2 μm or more in the heat-resistant fine particles is 10 vol % or less. The separator effects a shutdown in the range of 100° C. to 150° C. | 03-03-2011 |
20110171529 | ELECTRODE ACTIVE MATERIAL, METHOD FOR PRODUCING SAME, ELECTRODE FOR NONAQUEOUS SECONDARY BATTERY, AND NONAQUEOUS SECONDARY BATTERY - An electrode active material includes particles of a lithium-containing composite oxide represented by the general compositional formula: Li | 07-14-2011 |
20140087260 | POSITIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERY, LITHIUM ION SECONDARY BATTERY, AND BATTERY SYSTEM - Provided is a positive electrode for a lithium ion secondary battery including, as a positive active material, a positive active material (A) that is LiFePO | 03-27-2014 |
Patent application number | Description | Published |
20110269018 | ELECTRODE FOR ELECTROCHEMICAL DEVICE AND ELECTROCHEMICAL DEVICE USING THE SAME - An electrode for an electrochemical device of the present invention includes an electrode mixture layer that includes a lithium-containing composite oxide expressed by the general composition formula (1): Li | 11-03-2011 |
20120156558 | ELECTRODE FOR LITHIUM ION SECONDARY BATTERY AND LITHIUM ION SECONDARY BATTERY - An electrode for a lithium ion secondary battery of the present invention includes an electrode material mixture layer containing oxide particles, active material particles capable of absorbing and desorbing Li, and a resin binder, wherein the oxide particles have an average particle size of primary particles of 1 to 20 nm, and have no peak or have a width at half height of the highest intensity peak of 1.0° or more within the range of 2θ=20 to 70° in a powder X-ray diffraction spectrum, and the ratio of the oxide particles is 0.1 to 10 mass % when the total of the active material particles and the oxide particles is taken as 100 mass %. Further, a lithium ion secondary battery of the present invention includes the above-described electrode for a lithium ion secondary battery of the present invention. | 06-21-2012 |
20130065125 | ELECTRODE FOR LITHIUM ION SECONDARY BATTERY, METHOD FOR PRODUCING THE SAME, AND LITHIUM ION SECONDARY BATTERY - The electrode for a lithium ion secondary battery of the present invention has an electrode mixture layer containing carbon nanotubes as a conductive auxiliary agent and deoxyribonucleic acid as a dispersant for the carbon nanotubes, and the content of the carbon nanotubes in the electrode mixture layer is 0.001 to 5 parts by mass with respect to 100 parts by mass of active material particles. The lithium ion secondary battery of the present invention has the electrode of the invention as its positive electrode and/or negative electrode. The electrode of the invention can be produced by a producing method of the invention of forming the electrode mixture layer from an electrode mixture-containing composition prepared using a dispersion including carbon nanotubes and deoxyribonucleic acid. | 03-14-2013 |
20130071758 | NONAQUEOUS ELECTROLYTE FOR ELECTROCHEMICAL DEVICE, AND ELECTROCHEMICAL DEVICE - The nonaqueous electrolyte for an electrochemical device of the present invention includes at least one selected from an imide compound represented by the general formula (1) and an imide compound represented by the general formula (2): | 03-21-2013 |
20130224575 | LITHIUM ION SECONDARY BATTERY - A lithium ion secondary battery containing a negative electrode active material containing Si and O as constituent elements and exhibiting excellent charge-discharge cycle characteristics. The lithium ion secondary battery has a positive electrode having a positive electrode material mixture layer, a negative electrode, a separator and a nonaqueous electrolyte containing at least an electrolyte salt and an organic solvent, where the negative electrode has a negative electrode material mixture layer containing a negative electrode active material containing Si and O as constituent elements (the atomic ratio x of O to Si is 0.5≦x≦1.5). The nonaqueous electrolyte contains the electrolyte salt at a concentration exceeding a concentration at which conductivity in the nonaqueous electrolyte containing the electrolyte salt and the organic solvent is maximized, and the conductivity at 25° C. is 6.5 to 16 mS/cm | 08-29-2013 |
20130224591 | ELECTRODE FOR LITHIUM-ION SECONDARY BATTERY, AND LITHIUM-ION SECONDARY BATTERY - The electrode for a lithium-ion secondary battery of the present invention includes an electrode mixture layer including metal oxide particles having a scaly shape and a new Mohs hardness of 9.0 or more, active material particles capable of intercalating and deintercalating Li, and a resin binder. Further, the lithium-ion secondary battery of the present invention includes a positive electrode, a negative electrode, a nonaqueous electrolyte, and a separator. The positive electrode and/or the negative electrode is the electrode for a lithium-secondary battery of the present invention. | 08-29-2013 |
20130252095 | NON-AQUEOUS SECONDARY BATTERY - The non-aqueous secondary battery of the present invention includes a positive electrode, a negative electrode, a non-aqueous electrolyte and a separator. The positive electrode includes a positive electrode mixture layer containing a positive electrode active material, a conductive polymer, an organic silane compound, a conductive assistant and a binder, the conductive polymer is polythiophene or a derivative thereof, and the content of the conductive polymer is 0.05 to 0.5 mass % with respect to the total mass of the positive electrode mixture layer. | 09-26-2013 |