Patent application number | Description | Published |
20110059356 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR MANUFACTURING NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - In a nonaqueous electrolyte secondary battery including a positive electrode, a negative electrode and a nonaqueous electrolytic solution, the nonaqueous electrolytic solution contains a nitrile compound having a chain saturated hydrocarbon group and a nitrile group, the number of carbon atoms in the nitrile compound is four or more, and the positive electrode contains a positive-electrode active material on the surface of which particles of a rare earth element compound are deposited in dispersed form. | 03-10-2011 |
20110076571 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolyte secondary battery is prevented from decreasing the remaining capacity and returned capacity at the time of continuous charge at high voltages and high temperatures. The battery has positive and negative electrodes, and a nonaqueous electrolytic solution containing ethylene carbonate and fluoroethylene carbonate as a solvent. The positive electrode contains a positive-electrode active material with the fine particles of a rare earth element compound deposited on its surface in a dispersed state. | 03-31-2011 |
20130236789 | CONDUCTIVE AGENT FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, POSITIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - To provide a conductive agent for a nonaqueous electrolyte secondary battery and the like, in which oxidative decomposition reaction of an electrolyte is sufficiently suppressed during charging and discharging under high-temperature, high-voltage conditions and thus the cycle characteristics under these conditions are improved. | 09-12-2013 |
20130302689 | POSITIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY USING THE POSITIVE ELECTRODE - It is an object of the present invention to provide a positive electrode for nonaqueous electrolyte secondary batteries that can suppress decreases in the discharge capacity and discharge voltage even when continuous charging is performed at high temperature and that can also suppress decreases in the discharge voltage and energy density even in the charge and discharge after the continuous charging, and to provide a nonaqueous electrolyte secondary battery that uses the positive electrode. The positive electrode includes a positive electrode active material composed of a mixture containing lithium cobalt oxide | 11-14-2013 |
20130309567 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, MEHTOD FOR PRODUCING THE SAME, POSITIVE ELECTRODE FOR NONAQUEOUS ELECTOLYTE SECONDARY BATTERY USING THE POSITIVE ELECTRODE ACTIVE MATERIAL, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY USING THE POSITIVE ELECTRODE - An object of the present invention is to provide a positive electrode active material for a nonaqueous electrolyte secondary battery etc. which are capable of suppressing the generation of gas during charge by suppressing a reaction between a positive electrode and an electrolyte decomposition product moved from a negative electrode and a reaction between the positive electrode and the electrolyte, and which are thereby capable of significantly improving battery characteristics such as cycling characteristics. The positive electrode active material includes a compound composed of sodium, fluorine, and erbium and adhered to a surface of lithium cobalt oxide, and can be produced by adding, while adjusting pH, an aqueous solution prepared by dissolving erbium nitrate pentahydrate to a suspension containing lithium cobalt oxide and sodium fluoride. | 11-21-2013 |
20130309576 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, METHOD FOR PRODUCING THE SAME, POSITIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY USING THE POSITIVE ELECTRODE ACTIVE MATERIAL, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY USING THE POSITIVE ELECTRODE - An object of the present invention is to provide a positive electrode active material for a nonaqueous electrolyte secondary battery etc. which are capable of suppressing a reaction between a positive electrode and an electrolyte decomposition product moved from a negative electrode and a reaction between the positive electrode and the electrolyte, and which are thereby capable of significantly improving battery characteristics such as continuous charge characteristics (particularly, continuous charge characteristics at a high temperature), cycling characteristics, etc. The positive electrode active material includes a compound containing a rare earth element and fluorine and adhered to a surface of a lithium transition metal composite oxide, the compound having an average particle diameter of 1 nm or less and 100 nm or more. | 11-21-2013 |
20130330628 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, POSITIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY USING THE POSITIVE ELECTRODE ACTIVE MATERIAL, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY USING THE POSITIVE ELECTRODE - The present invention provides a positive electrode active material for a nonaqueous electrolyte secondary battery which is capable of improving an initial discharge capacity and suppressing a decrease in discharge voltage and a decrease in battery capacity even in repeated charge-discharge cycles, a positive electrode using the active material, and a nonaqueous electrolyte secondary battery using the positive electrode. The positive electrode active material includes a particle | 12-12-2013 |
20130337321 | POSITIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, METHOD FOR PRODUCING THE POSITIVE ELECTRODE, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY USING THE POSITIVE ELECTRODE - An object of the present invention is to provide a positive electrode for a nonaqueous electrolyte secondary battery capable of significantly improving cycling characteristics while decreasing production cost, a method for producing the positive electrode, and a nonaqueous electrolyte secondary battery using the positive electrode. The positive electrode includes a positive-electrode current collector, and a positive-electrode mixture layer formed on at least one of the surfaces of the positive-electrode current collector, wherein the positive-electrode mixture layer contains a positive electrode active material, a binder, a conductive agent, and at least one compound selected from the compound group consisting of rare earth acetic acid compounds, rare earth nitric acid compounds, and rare earth sulfuric acid compounds. | 12-19-2013 |
Patent application number | Description | Published |
20100233550 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A non-aqueous electrolyte secondary battery has a positive electrode containing a positive electrode active material, a negative electrode, and a non-aqueous electrolyte solution in which an electrolyte is dissolved in a non-aqueous solvent. The positive electrode active material includes a lithium-containing transition metal oxide that releases oxygen during initial charge, and the non-aqueous solvent contains a fluorinated cyclic carbonate in which fluorine atoms are directly bonded to a carbonate ring. | 09-16-2010 |
20110165453 | NON-AQUEOUS ELECTROLYTIC SECONDARY BATTERY AND POSITIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTIC SECONDARY BATTERY - A nonaqueous electrolytic secondary battery and a positive electrode for a nonaqueous electrolytic secondary battery are provided. The positive electrode includes a positive electrode active material layer containing a positive electrode active material and a coupling agent represented by a general formula (1). The positive electrode active material includes lithium transition metal oxide particles. At least one rare-earth compound selected from the rare-earth compound group consisting of specific rare-earth hydroxides and specific rare-earth oxyhydroxides is fixed on the surfaces of the lithium transition metal oxide particles in a dispersed form. | 07-07-2011 |
20110165460 | LITHIUM SECONDARY BATTERY - A lithium secondary battery has a positive electrode ( | 07-07-2011 |
20110223469 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR PRODUCING THE SAME - A positive electrode active material with least part of a surface coated with a surface treatment layer composed of a phosphate compound. The phosphate compound contains at least one element selected from the group consisting of neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, and lutetium. | 09-15-2011 |
Patent application number | Description | Published |
20090042100 | NON-AQUEOUS ELECTROLYTE BATTERY AND NEGATIVE ELECTRODE USED THEREIN - In a negative electrode for a non-aqueous electrolyte battery, in which a negative electrode active material layer ( | 02-12-2009 |
20090053609 | NON-AQUEOUS ELECTROLYTE BATTERY - In a non-aqueous electrolyte battery including: a positive electrode; a negative electrode; a separator located between the positive and negative electrodes; a non-aqueous electrolyte; and an inorganic particle layer being located on the surface of at least one of the positive and negative electrodes, the inorganic particle layer contains inorganic particles and a binder, the inorganic particles include spherical or substantially spherical inorganic particles and non-spherical inorganic particles. | 02-26-2009 |
20090136848 | NON-AQUEOUS ELECTROLYTE BATTERY AND METHOD OF MANUFACTURING THE SAME - [Problem] A non-aqueous electrolyte battery is provided that shows good cycle performance and good storage performance under high temperature conditions and exhibits high reliability even with a battery configuration featuring high capacity. A method of manufacturing the battery is also provided. | 05-28-2009 |
20090197181 | NON-AQUEOUS ELECTROLYTE BATTERY AND METHOD OF MANUFACTURING THE SAME - [Problem] A non-aqueous electrolyte battery is provided that shows good cycle performance and good storage performance under high temperature conditions and exhibits high reliability even with a battery configuration featuring high capacity. A method of manufacturing the battery is also provided. | 08-06-2009 |
20090208840 | NON-AQUEOUS ELECTROLYTE BATTERY AND METHOD OF MANUFACTURING THE SAME - [Problem] A non-aqueous electrolyte battery is provided that shows good cycle performance and good storage performance under high temperature conditions and exhibits high reliability even with a battery configuration featuring high capacity. A method of manufacturing the battery is also provided. | 08-20-2009 |
20140272582 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY HAVING RARE EARTH HYDROXIDE AND/OR OXYHYDROXIDE - In a non-aqueous electrolyte secondary battery including a positive electrode | 09-18-2014 |
Patent application number | Description | Published |
20080249000 | Method of Modifying Gum Arabic, Modified Gum Arabic Obtained by the Method, and Use Thereof - An object of the present invention is to provide a method for enhancing the emulsification ability of gum arabic. | 10-09-2008 |
20080274410 | Non-aqueous electrolyte secondary battery - A non-aqueous electrolyte secondary battery is provided that remarkably improves battery reliability by quickly lowering the potential of the positive electrode while preventing separator shrinkage at high temperatures. A separator has on its surface a shrinkage-prevention-layer formed portion ( | 11-06-2008 |
20090081546 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, PROCESS FOR PREPARING THE SAME, AND POSITIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A non-aqueous electrolyte secondary battery includes a positive electrode, a negative electrode, and a non-aqueous electrolyte. The positive electrode employs a positive electrode active material wherein oxide containing Al and/or hydroxide containing Al having a protruding-shape is uniformly distributed and adhered to the surface of a positive electrode active material particle. | 03-26-2009 |
20110117434 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, FABRICATION METHOD THEREOF, POSITIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A positive electrode active material for non-aqueous electrolyte secondary battery is improved so that a reaction between the positive electrode active material and a non-aqueous electrolyte is restricted in a case where charging voltage is increased. | 05-19-2011 |
20140157587 | POSITIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, BATTERY USING THE SAME, AND METHOD OF MANUFACTURING POSITIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A positive electrode ( | 06-12-2014 |
Patent application number | Description | Published |
20130055743 | AIR CONDITIONER FOR VEHICLE - An air-conditioner for a vehicle includes a vapor-compression refrigeration cycle, a determination unit and a controller. The refrigeration cycle includes a compressor, an inside condenser, an outside heat exchanger, and an inside evaporator. The refrigeration cycle is capable of operating an outside-air heat-absorption heating operation in which refrigerant absorbs heat at the outside heat exchanger and radiates heat at the inside condenser, and an inside-air heat-absorption heating operation in which refrigerant absorbs heat at the inside evaporator and radiates heat at the inside condenser. The determination unit determines whether or not the outside heat exchanger freezes. The controller changes over the outside-air heat-absorption heating operation to the inside-air heat-absorption heating operation when the determination unit determines that the outside heat exchanger freezes. According to the air-conditioner, a heating operation can be maintained without increasing drive power for the compressor even when the outside heat exchanger freezes. | 03-07-2013 |
20130286526 | VEHICLE SAFETY DEVICE - A vehicle safety device installed in a hybrid electric vehicle or an electric vehicle is provided to be capable of interrupting a current supplied from a power supply to a load via a supply line. The vehicle safety device includes first interrupting mechanism adapted to set the supply line in an interrupted condition when a temperature of the load reaches a first set temperature and second interrupting mechanism adapted to set the supply line in the interrupted condition such that the supply line cannot be returned to an energized condition when the temperature of the load reaches a second set temperature that is higher than the first set temperature. | 10-31-2013 |
20150221466 | TEMPERATURE SWITCH AND FLUID HEATING DEVICE - A temperature switch performs switching according to temperature of a heater. The temperature switch includes a bimetal that is deformed when the temperature of the heater reaches set temperature, a switch mechanism that is opened and closed by deformation of the bimetal, and a housing member that houses the bimetal and the switch mechanism, and that is able to conduct heat to the bimetal. The heater includes a pair of heat generation units that is adjacent to each other. The housing member includes a contact portion that is formed to project and that is inserted between the pair of heat generation units. | 08-06-2015 |
20150247650 | VEHICLE SAFETY DEVICE - A vehicle safety device installed in a hybrid electric vehicle or an electric vehicle is provided to be capable of interrupting a current supplied from a power supply to a load via a supply line. The vehicle safety device includes first interrupting mechanism adapted to set the supply line in an interrupted condition when a temperature of the load reaches a first set temperature and second interrupting mechanism adapted to set the supply line in the interrupted condition such that the supply line cannot be returned to an energized condition when the temperature of the load reaches a second set temperature that is higher than the first set temperature. | 09-03-2015 |
Patent application number | Description | Published |
20130316227 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - The present invention is to provide a non-aqueous electrolyte secondary battery that can suppress a decrease in discharge performance and a decrease in residual capacity after storage at charged state under high temperature. The non-aqueous electrolyte secondary battery includes a positive electrode containing a positive electrode active material, a negative electrode containing a negative electrode active material, a non-aqueous electrolyte, and a separator provided between the positive electrode and the negative electrode, the positive electrode active material includes lithium cobaltate and an erbium compound 22 fixed to at least part of the surface of this lithium cobaltate 21, and the non-aqueous electrolyte contains 1,3-bis(isocyanatomethyl)cyclohexane. | 11-28-2013 |
20140147740 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR PRODUCING THE SAME, POSITIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY USING POSITIVE ELECTRODE ACTIVE MATERIAL, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY USING POSITIVE ELECTRODE - Provided is a positive electrode active material for a nonaqueous electrolyte secondary battery in which generation of gas resulting from a reaction between a lithium transition metal complex oxide and an electrolyte is suppressed even when the battery is stored at high temperature, thereby improving the reliability of the battery, suppressing deterioration of the lithium transition metal complex oxide, and suppressing the decrease in battery capacity. In the positive electrode active material, a compound containing zirconium and fluorine is attached to a surface of lithium cobaltate. This positive electrode active material can be produced by spraying a solution containing zirconium and fluorine onto lithium cobaltate while stirring lithium cobaltate. | 05-29-2014 |
20150050546 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY USING SAID POSITIVE ELECTRODE ACTIVE MATERIAL - Even when a battery is produced with a positive electrode active material or a positive electrode containing the positive electrode active material after exposure to the air, battery properties such as a charge storage property can be significantly enhanced. Included are a lithium transition metal compound oxide at least containing nickel and manganese such that the nickel is contained in a higher content than the manganese in terms of moles; and sodium fluoride adhering to a surface of the lithium transition metal compound oxide. The lithium transition metal compound oxide may contain cobalt. | 02-19-2015 |
20150056512 | POSITIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - An object is to provide a positive electrode for a non-aqueous electrolyte secondary battery and a non-aqueous electrolyte secondary battery that allow a high output characteristic. Included are a positive electrode collector and a positive electrode mixture layer formed on at least one surface of the positive electrode collector. The positive electrode mixture layer contains particles | 02-26-2015 |
20150132666 | POSITIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - There is provided a positive electrode for a nonaqueous electrolyte secondary battery, the positive electrode being capable of improving the charge-discharge cycle characteristics of the nonaqueous electrolyte secondary battery. A positive electrode | 05-14-2015 |
20150207142 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolyte secondary battery according to an embodiment of the present invention includes a positive electrode ( | 07-23-2015 |
20150214542 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - The present invention aims to provide a nonaqueous electrolyte secondary battery having excellent charge discharge cycle characteristics in a high-temperature environment. The present invention relates to a nonaqueous electrolyte secondary battery which includes a positive electrode in which a positive electrode active material mixture layer is formed, a negative electrode in which a negative electrode active material mixture layer is formed, a nonaqueous electrolyte, and a separator, and in the above nonaqueous electrolyte secondary battery, on at least one surface of the positive electrode active material mixture layer and the negative electrode active material mixture layer, an inorganic particle layer containing a rare earth element compound is formed. | 07-30-2015 |
20150214545 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - To provide a nonaqueous electrolyte secondary battery excellent in high-temperature charge storage characteristics and high-temperature over-discharge storage characteristics. A nonaqueous electrolyte secondary battery of the present invention has a positive electrode including a positive electrode active material which contains a lithium transition metal oxide having a surface to which a rare earth compound is adhered, a negative electrode including a negative electrode active material which contains a graphite and a silicon oxide represented by SiO | 07-30-2015 |
20150221938 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - In a nonaqueous electrolyte secondary battery including a positive electrode containing a positive electrode active material, a negative electrode, and a nonaqueous electrolyte, the positive electrode active material contains a lithium transition metal oxide having a surface to which a rare earth compound is adhered, and the nonaqueous electrolyte contains a lithium salt in which an oxalate complex functions as an anion. | 08-06-2015 |
20150221942 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY INCLUDING THE SAME - A positive electrode active material for a nonaqueous electrolyte secondary battery includes a lithium transition metal oxide containing nickel and zirconium and including secondary particles, each of which is composed of an aggregate of primary particles, and a rare earth compound deposited on and/or near interfaces between the primary particles. | 08-06-2015 |