| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 252519150 | Four diverse metals containing | 29 |
| 20090121198 | Cathode Material for Lithium Secondary Battery and Manufacturing Method Thereof - Provided is a cathode material for a lithium secondary battery composed of an aggregate of Li-A-O composite oxide particles (wherein A represents one or more metal elements selected from Mn, Fe, Co and Ni), wherein the lithium composite oxide contains 20 to 100 ppm (by mass) of P, and the total content of impurity elements excluding essential components is 2000 ppm or less. Also provided is a manufacturing method of such a cathode material for a lithium secondary battery including the steps of suspending lithium carbonate in water and thereafter introducing a metallic salt solution of one or more metal elements selected from Mn, Fe, Co and Ni in the lithium carbonate suspension, adding a small amount of phosphoric acid so that the P content in the Li-A-O composite oxide particles will be 20 to 100 ppm (by mass), and forming an aggregate of Li-A-O composite oxide particles containing 20 to 100 ppm (by mass) of P by filtering, cleansing, drying and thereafter oxidizing the obtained carbonate. This cathode material for a lithium secondary battery and its manufacturing method realize improved sinterability and battery characteristics. | 05-14-2009 |
| 20090127520 | Lithium metal oxide compositions - The invention disclosed is a composition of a single-phase solid solution of LiMnO | 05-21-2009 |
| 20090146115 | PROCESS FOR PREPARING A POSITIVE ELECTRODE MATERIAL FOR LITHIUM ION BATTERY - A process for preparing lithium-nickel-manganese-cobalt composite oxide used as a positive electrode material for the lithium ion battery, comprising subjecting a mixture containing a lithium compound and nickel-manganese-cobalt hydroxide to a first-stage sintering and a second-stage sintering, wherein said process further comprises adding a binder and/or binder solution after the first-stage sintering, and the mixture of the binder and/or binder solution and the product of first-stage sintering is sintered in said second-stage sintering. The tap density and volume specific capacity of the positive electrode material lithium-nickel-manganese-cobalt composite oxide prepared by the present process, come up to 2.4 g/cm | 06-11-2009 |
| 20090206302 | HYDROGEN-ABSORBING ALLOY FOR AN ALKALINE STORAGE BATTERY - Therefore the invention provides a hydrogen-absorbing alloy comprising at least one A | 08-20-2009 |
| 20090272948 | High Quality Single Crystal and Method of Growing the Same - Disclosed is a method of growing a single crystal from a melt contained in a crucible. The method includes the step of making the temperature of a melt increase gradually to a maximum point and then decrease gradually along the axis parallel to the lengthwise direction of the single crystal from the interface of the single crystal and the melt to the bottom of the crucible. The increasing temperature of the melt is kept to preferably have a greater temperature gradient than the decreasing temperature thereof. Preferably, the axis is set to pass through the center of the single crystal. Preferably, the convection of the inner region of the melt is made smaller than that of the outer region thereof. | 11-05-2009 |
| 20100264381 | OXIDES HAVING HIGH ENERGY DENSITIES - The present invention generally relates to certain oxide materials having relatively high energy and/or power densities. Various aspects of the invention are directed to oxide materials having a structure B | 10-21-2010 |
| 20100301283 | HYDROGEN STORAGE ALLOY, PRODUCTION METHOD THEREFOR AND NICKEL-HYDROGEN SECONDARY BATTERY-USE CATHODE - The present invention relates to hydrogen storage alloys, methods for producing the same, and anodes produced with such alloys for nickel-hydrogen rechargeable batteries. The alloys are useful as electrode materials for nickel-hydrogen rechargeable batteries, excellent, when used as anode materials, in corrosion resistance or activity such as initial activity and high rate discharge performance, of low cost compared to the conventional alloys with a higher Co content, and recyclable. The alloys are of a composition represented by the formula (1), and has a substantially single phase structure, and the crystals thereof have an average long axis diameter of 30 to 160 μm, or not smaller than 5 μm and smaller than 30 μm. The present anodes for rechargeable batteries contain at least one of these hydrogen storage alloys. | 12-02-2010 |
| 20110114899 | Nano-Positive Electrode Material of Lithium Cell and Method for Preparation thereof - The present invention relates to a nano-positive electrode material of lithium cell and preparation thereof. And the material comprising Lithium iron phosphate as substrate, conductive doping ion and voltage-boosting doping ion, have the general chemical formula: (Li | 05-19-2011 |
| 20110133136 | CHEMICALLY STABLE SOLID LITHIUM ION CONDUCTOR - The present invention concerns chemically stable solid lithium ion conductors, processes for their production and their use in batteries, accumulators, supercaps and electrochromic devices. | 06-09-2011 |
| 20110220854 | ELECTRICALLY CONDUCTIVE OXIDE SINTERED COMPACT, THERMISTOR ELEMENT EMPLOYING THE SAME, AND TEMPERATURE SENSOR EMPLOYING THE SAME - A sintered electroconductive oxide ( | 09-15-2011 |
| 20110315938 | PROCESS FOR PREPARING LITHIUM MIXED METAL OXIDES AND THEIR USE AS CATHODE MATERIAL - Process for preparing lithium mixed metal oxides which comprise essentially lithium, manganese, cobalt and nickel as metal atoms and have a stoichiometric ratio of lithium to the total transition metals of greater than 1, which comprises
| 12-29-2011 |
| 20120001131 | Hydrogen-Absorbing Alloy and Electrode for Nickel-Metal Hydride Secondary Batteries - A hydrogen-absorbing alloy, which is used as a negative electrode material of nickel-metal hydride secondary batteries for hybrid electric vehicles, and particularly for batteries to drive electric motors of hybrid electric vehicles, is an AB | 01-05-2012 |
| 20120068129 | OPTIMISED POSITIVE ELECTRODE MATERIAL FOR LITHIUM CELL BATTERIES, METHOD FOR THE PRODUCTION THEREOF, ELECTRODE, AND BATTERY FOR IMPLEMENTING SAID METHOD - A material or compound is provided having a spinel structure and corresponding to the formula Li | 03-22-2012 |
| 20120091403 | LITHIUM ION RECHARGEABLE BATTERIES & THE ADDITIVE FOR LITHIUM ION RECHARGEABLE BATTERIES WHICH PREVENTS INCREASE OF THE VISCOSITY - The preparation of a slurry so as to exhibit no strong alkalinity not only needs a strict pH control, but also needs once dispersing a positive electrode material in water and the operation of drying after the treatment, and other operations, thereby leading to the complication of the operations and a decrease in the yield. In consideration of the above-mentioned problems, the present invention provides a method for producing a positive electrode plate for a lithium ion rechargeable battery, which exhibits less complication of the operations and less decrease in the yield and can prevent the gelation of a positive electrode material slurry. The above-mentioned problems can be solved by a positive electrode for a lithium ion rechargeable battery containing a positive electrode active material capable of absorbing/desorbing lithium ions, a nitrile group-containing polymer, and a binder. | 04-19-2012 |
| 20120091404 | ZINTL PHASES FOR THERMOELECTRIC APPLICATIONS - The inventors demonstrate herein that various Zintl compounds can be useful as thermoelectric materials for a variety of applications. Specifically, the utility of Ca | 04-19-2012 |
| 20120112139 | CATHODE BASED UPON TWO KINDS OF COMPOUNDS AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - Provided is a cathode for lithium secondary batteries comprising a combination of one or more compounds selected from Formula 1 and one or more compounds selected from Formula 2. The cathode provides a high power lithium secondary battery composed of a non-aqueous electrolyte which exhibits long lifespan, long-period storage properties and superior stability at ambient temperature and high temperatures. | 05-10-2012 |
| 20120119167 | POSITIVE ELECTRODE ACTIVE MATERIAL, METHOD FOR PRODUCING SAME, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY USING SAME - A lithium nickel composite oxide, having small inner resistance, large battery capacity and high thermal stability, can be used as a positive electrode active material for a non-aqueous electrolyte secondary battery. The positive electrode active material is composed of the lithium nickel composite oxide of Li | 05-17-2012 |
| 20120228562 | ANODE ACTIVE MATERIAL FOR A RECHARGEABLE LITHIUM BATTERY - An anode active-material for rechargeable lithium batteries and methods of manufacturing the same. This includes preparing an anode active-material for rechargeable lithium batteries, including heat-treating a mixture of Li | 09-13-2012 |
| 20120248388 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND USE THEREOF - The present invention discloses a method for producing a positive electrode active material for a lithium secondary battery constituted by a lithium-nickel-cobalt-manganese complex oxide with a lamellar structure, the method including: (1) a step of preparing a starting source material for producing the complex oxide including a lithium supply source, a nickel supply source, a cobalt supply source, and a manganese supply source; (2) a step of pre-firing the starting source material by heating at a pre-firing temperature that has been set to a temperature lower than 800° C. and higher than a melting temperature of the lithium supply source; and (3) a step of firing the pre-fired material obtained in the pre-firing step by raising a temperature to a temperature range higher than the pre-firing temperature. | 10-04-2012 |
| 20130126802 | HIGH-VOLTAGE LITHIUM BATTERY CATHODE MATERIAL - The present invention advantageously provides a high-voltage lithium battery cathode material and its general formula for the composition of the high-voltage lithium battery cathode material presented in this invention: | 05-23-2013 |
| 20130161574 | Cobalt-Free NTC Ceramic and Method for Producing a Cobalt-Free NTC Ceramic - The invention relates to a cobalt-free NTC ceramic having the composition Ni | 06-27-2013 |
| 20130240802 | OXIDE FOR SEMICONDUCTOR LAYER OF THIN-FILM TRANSISTOR, SPUTTERING TARGET, AND THIN-FILM TRANSISTOR - This oxide for a semiconductor layer of a thin-film transistor contains Zn, Sn and In, and at least one type of element (X group element) selected from an X group comprising Si, Hf, Ga, Al, Ni, Ge, Ta, W and Nb. The present invention enables a thin-film transistor oxide that achieves high mobility and has excellent stress resistance (negligible threshold voltage shift before and after applying stress) to be provided. | 09-19-2013 |
| 20130248779 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTERY, METHOD OF PREPARING POSITIVE ELECTRODE ACTIVE MATERIAL AND LITHIUM ION SECONDARY BATTERY INCLUDING POSITIVE ELECTRODE ACTIVE MATERIAL - Provided is a positive electrode active material for a lithium ion secondary battery expressed by the following Chemical Formula 1 and containing antimony. | 09-26-2013 |
| 20140103268 | IN2O3-SNO2-ZNO SPUTTERING TARGET - A sputtering target including indium (In), tin (Sn) and zinc (Zn) and an oxide including one or more elements X selected from the following group X,
| 04-17-2014 |
| 20140110641 | METHOD FOR PRODUCING ACTIVE MATERIAL PARTICLES FOR LITHIUM ION SECONDARY BATTERY, ELECTRODE AND LITHIUM ION SECONDARY BATTERY - To produce active material particles for a lithium ion secondary battery, which have favorable surface smoothness, with which the cycle characteristics can be improved while an increase in the internal resistance of an active material layer is suppressed, and with which decomposition of the electrolyte can be suppressed even at a high voltage. | 04-24-2014 |
| 20140131633 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR ELECTRIC DEVICE, POSITIVE ELECTRODE FOR ELECTRIC DEVICE, AND ELECTRIC DEVICE - A positive electrode active material is provided for an electric device that contains a first active material comprising a transition metal oxide represented by formula (1): Li1.5[NiaCobMnc[Li]d]O3 (where a, b, c, and d satisfy the relationships: 0| 05-15-2014 | |
| 20140367621 | COMPOSITE MATERIAL FOR A TEMPERATURE SENSOR, AND A METHOD OF MANUFACTURING A TEMPERATURE SENSOR USING THE SAME - A composite material for a temperature sensor and a method of manufacturing the temperature sensor using the composite material are provided. The composite material contains four or more kinds of metal oxides combined with highly insulating materials to produce a material with semiconductor-like properties to more accurately measure a temperature at high temperatures in the range of 500° C. and above. The sensor includes electrode wires having a predetermined diameter inserted into the metal oxide of the temperature sensor when the metal oxide is press-molded to form the temperature sensor. Through the connection of the electrode wires to the temperature sensor device, disconnection of the electrode wires from the device even at a high temperature. | 12-18-2014 |
| 20150137050 | METAL-OXIDE SINTERED BODY FOR TEMPERATURE SENSOR, AND METHOD FOR MANUFACTURING SAME - A metal-oxide sintered body for a temperature sensor that can be installed in a combustion engine and components connected to the engine in order to sense temperature uses metal oxide. The metal-oxide sintered body has particles with large resistance values and particles with small resistance values mixed therein. The particles with the small resistance values may serve as a main resistance component in the temperature range of 0° C. to 500° C., and the particles with the large resistance values may contribute to the total resistance in proportion to the mixing ratio in the temperature range of 500° C. to 900° C. Thus, the metal-oxide sintered body enables a single sensor to measure all resistances, and can be used in an exhaust device or the like of a motor vehicle that requires temperature measurement over a wide range of temperatures. | 05-21-2015 |
| 20150364553 | OXIDE FOR SEMICONDUCTOR LAYER OF THIN FILM TRANSISTOR, THIN FILM TRANSISTOR, AND DISPLAY DEVICE - With respect to this oxide for a semiconductor layer of a thin film transistor, metal elements that constitute the oxide comprise In, Sn, Ga, and Zn, the oxygen partial pressure when forming the oxide film as the semiconductor layer of the thin film transistor is 15 volume % or lower (not including 0 volume %), the defect density of the oxide satisfies 2×10 | 12-17-2015 |
