Matches 1 - 50 out of 112 1 2 3 >


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US20140349854 IRON-BASED SUPERCONDUCTING MATERIAL, IRON-BASED SUPERCONDUCTING LAYER, IRON-BASED SUPERCONDUCTING TAPE WIRE MATERIAL, AND IRON-BASED SUPERCONDUCTING WIRE MATERIAL  
Provided is an iron-based superconducting material including an iron-based superconductor having a crystal structure of ThCr2Si2, and nanoparticles which are expressed by BaXO3 (X represents one,...
US20140291588 MIXED CATHODE ACTIVE MATERIAL HAVING IMPROVED POWER CHARACTERISTICS AND SAFETY, AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME  
Provided are a mixed cathode active material having improved power characteristics and safety, and a lithium secondary battery including the same. More particularly, the present invention relates...
US20120091404 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 Ca3AlSb3, Ca5Al2Sb6, Ca5In2Sb6,...
US20130040202 MIXED OXIDE POWDER CONTAINING THE ELEMENTS LITHIUM, MANGANESE, NICKEL AND COBALT AND METHOD FOR PRODUCING SAME  
Mixed oxide which has the composition LixMn0.5−a Ni0.5−b Coa+b O2, where 0.8≦x≦1.2, 0.05≦a≦0.3, 0.05≦b≦0.3, −0.1≦a−b≦0.02 and a+b<0.5, and has a BET surface area of from 3 to 20 m2/g, a multimodal...
US20100310936 CATHODE ACTIVE MATERIAL, CATHODE AND NONAQUEOUS SECONDARY BATTERY  
The present invention allows production of a battery which not only excels in terms of safety and cost, but also has a long life. A cathode active material of the present invention is represented...
US20090206302 HYDROGEN-ABSORBING ALLOY FOR AN ALKALINE STORAGE BATTERY  
Therefore the invention provides a hydrogen-absorbing alloy comprising at least one A5B19 type crystalline phase having the formula R1-yMgyNi3.8±0.1-zMz, in which R represents one or more elements...
US20130119325 CATHODE FOR SECONDARY BATTERY  
Disclosed is a cathode for secondary batteries comprising a compound having a transition metal layer containing lithium as at least one compound selected from the following formula 1:...
US20120225343 CATHODE MATERIALS HAVING HIGH ENERGY DENSITY AND LITHIUM SECONDARY BATTERY CONTAINING THE SAME  
Disclosed is a cathode material comprising a mixture of an oxide powder (a) defined herein and an oxide powder (b) selected from the group consisting of an oxide powder (b1) defined herein and an...
US20120112139 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...
US20090226811 LITHIUM NICKEL MANGANESE COBALT COMPOSITE OXIDE USED AS CATHODE ACTIVE MATERIAL FOR LITHIUM RECHARGEABLE BATTERY, MANUFACTURING METHOD THEREOF, AND LITHIUM RECHARGEABLE BATTERY  
A lithium nickel manganese cobalt composite oxide used as a cathode active material for a lithium rechargeable battery, the composite oxide shown by the below general formula (1):...
US20140065483 POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME  
A positive active material for a rechargeable lithium battery includes a nickel-based composite oxide represented by the following Chemical Formula 1, wherein the nickel-based composite oxide...
US20120070743 POSITIVE ACTIVE MATERIAL, METHOD OF PREPARING THE SAME, AND LITHIUM BATTERY INCLUDING THE POSITIVE ACTIVE MATERIAL  
A positive active material and a method of preparing a positive active material, and a lithium battery including the positive active material. In one embodiment, the positive active material...
US20130078512 LITHIUM SECONDARY BATTERY  
An objective of the present invention is to provide a lithium secondary battery which can achieve a higher capacity and a longer life without reduction in a lower voltage in the battery. In the...
US20110318637 LITHIUM SECONDARY BATTERY  
An objective of the present invention is to provide a lithium secondary battery which can achieve a higher capacity and a longer life without reduction in a lower voltage in the battery. In the...
US20110095390 THERMOELECTRIC CONVERSION MATERIAL AND THERMOELECTRIC CONVERSION ELEMENT  
The present invention provides a thermoelectric conversion material composed of an oxide material represented by chemical formula A0.8-1.2Ta2O6-y, where A is calcium (Ca) alone or calcium (Ca) and...
US20120280435 ACTIVE MATERIALS FOR LITHIUM-ION BATTERIES  
Methods for forming a cathode active material comprise sintering flakes formed from a nickel, manganese, cobalt and lithium-containing slurry to form the cathode material having the formula...
US20120248388 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...
US20120009459 PROCESS FOR PRODUCING LITHIUM COMPOSITE METAL OXIDE HAVING LAYERED STRUCTURE  
A method of producing a layered structure lithium mixed metal oxide, including a step of calcining a lithium mixed metal oxide raw material containing a transition metal element and a lithium...
US20120148916 METHOD FOR EVALUATING POSITIVE ELECTRODE ACTIVE MATERIAL  
Provided is a method for evaluating a positive electrode active material. The method evaluates the performance of a positive electrode active material comprising a lithium transition metal oxide...
US20120251923 MATERIAL FOR SOLID OXIDE FUEL CELL, CATHODE INCLUDING THE MATERIAL, AND SOLID OXIDE FUEL CELL INCLUDING THE SAME  
A material for a solid oxide fuel cell including a compound of Chemical Formula 1: BaaSrbCoxFeyM1-x−yO3-δ Chemical Formula 1 wherein M represents at least one of a transition metal element or a...
US20140110641 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...
US20130161574 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 Nia′Cub′Coc′MndO4 where 0.09
US20140302420 Ceramic Anode Materials for Solid Oxide Fuel Cells  
Novel anode materials including various compositions of vanadium-doped strontium titanate (SVT), and various compositions of vanadium- and sodium-doped strontium niobate (SNNV) for low- or...
US20130029216 POSITIVE-ELECTRODE MATERIAL FOR LITHIUM SECONDARY-BATTERY, PROCESS FOR PRODUCING THE SAME, POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY  
The invention relates to: a lithium-transition metal compound powder for a positive-electrode material of lithium secondary batteries, which is a powder that comprises a lithium-transition metal...
US20120135331 CATHODE  
The present invention relates to a cathode composed of a perovskite-type or fluorite-type mixed metal oxide containing molybdenum, to a composite comprising the mixed metal oxide and to a solid...
US20130126802 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...
US20140131633 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):...
US20110039158 CATHODE MATERIALS FOR SECONDARY (RECHARGEABLE) LITHIUM BATTERIES  
The invention relates to materials for use as electrodes in an alkali-ion secondary (rechargeable) battery, particularly a lithium-ion battery. The invention provides transition-metal compounds...
US20110017959 CATHODE MATERIALS FOR SECONDARY (RECHARGEABLE) LITHIUM BATTERIES  
The invention relates to materials for use as electrodes in an alkali-ion secondary (rechargeable) battery, particularly a lithium-ion battery. The invention provides transition-metal compounds...
US20100314589 CATHODE MATERIALS FOR SECONDARY (RECHARGEABLE) LITHIUM BATTERIES  
The invention relates to materials for use as electrodes in an alkali-ion secondary (rechargeable) battery, particularly a lithium-ion battery. The invention provides transition-metal compounds...
US20130171523 LITHIUM-ION SECONDARY BATTERY AND THE CATHODE MATERIAL THEREOF  
The present invention relates to the field of lithium-ion battery, and particularly to high-capacity cathode material, and high-energy density lithium-ion secondary battery prepared using the...
US20090139787 Secondary Battery Electrode, and Secondary Battery Using the Same  
A secondary battery electrode, which is formed by stacking an electrode active material layer (I) containing spinel-structured lithium manganate as an electrode active material and an electrode...
US20130022873 HIGH-POWER NANOCOMPOSITE CATHODES FOR LITHIUM ION BATTERIES  
A method of growing electrochemically active materials in situ within a dispersed conductive matrix to yield nanocomposite cathodes or anodes for electrochemical devices, such as lithium-ion...
US20120040248 POSITIVE ACTIVE MATERIAL AND NONAQUEOUS SECONDARY BATTERY EQUIPPED WITH POSITIVE ELECTRODE INCLUDING SAME  
A positive active material according to the present invention used in a nonaqueous secondary battery, includes a lithium-containing transition metal oxide containing manganese, as a crystal...
US20140050972 LITHIUM ION BATTERIES WITH HIGH ENERGY DENSITY, EXCELLENT CYCLING CAPABILITY AND LOW INTERNAL IMPEDANCE  
Batteries with particularly high energy capacity and low internal impedance have been described herein. The batteries can exhibit extraordinary long cycling with acceptable low amounts of fade....
US20130122363 CATHODE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME  
Disclosed is a cathode active material for secondary batteries comprising at least one compound selected from the following formula 1: (1−s−t)[Li(LiaMn(1-a-x-y)NixCoy)O2]*s[Li2CO3]*t[LiOH] (1)...
US20100055497 Ceramic Material and Electroceramic Component Comprising the Ceramic Material  
A ceramic material with a negative temperature coefficient of specific resistance has the general formula: [{(SE1III,SE2III)1−x(M1II,M2II)x}(Cr1−y−zMny(Me1III,Me2III)z )O3] wherein SE1III and...
US20120228562 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...
US20150041732 CERAMIC COMPOSITION FOR THERMISTOR TEMPERATURE SENSOR AND THERMISTOR DEVICE MANUFACTURED USING THE COMPOSITION  
This invention relates to a ceramic composition, which is suitable for use in DOC and DPF for removing nitrogen oxide, carbon monoxide and unburned particles from exhaust gas systems of vehicles...
US20150093644 SODIUM MANGANESE COMPOSITE OXIDE AND ELECTRODE AND SODIUM SECONDARY BATTERY USING THE SAME  
A sodium manganese composite oxide represented by Formula 1: NaxMayMnzMbvO2+d Formula 1 wherein, 0.2≦x≦1, 0
US20150137050 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...
US20120328970 MATERIAL FOR SOLID OXIDE FUEL CELL, CATHODE INCLUDING THE MATERIAL AND SOLID OXIDE FUEL CELL INCLUDING THE MATERIAL  
A material for a solid oxide fuel cell, the material including: a first compound having a perovskite crystal structure, a first ionic conductivity, a first electronic conductivity, and a first...
US20120068129 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 LiyNi0.5Mn1.5−xIVMnxIIIAzO4−d, where: 0.02≦x≦0.35;d>0A is selected from the group comprising Na, K,...
US20120164527 NEGATIVE ELECTRODE FOR ALKALINE SECONDARY CELL AND ALKALINE SECONDARY CELL USING SAME  
An alkaline secondary cell has an electrode assembly including a positive electrode, a negative electrode and a separator, and alkaline electrolyte. The negative electrode includes...
US20140367621 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...
US20120288763 CATHODE ACTIVE MATERIAL, CATHODE ELECTRODE, AND NON-AQUEOUS SECONDARY BATTERY  
A cathode active material comprising a composition represented by the following general formula (1): LiaM1xM2yM3zPmSinO4 (1) wherein M1 is at least one kind of element selected from the group of...
US20140255771 POSITIVE ACTIVE MATERIAL COMPOSITION FOR RECHARGEABLE LITHIUM BATTERY, POSITIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY INCLUDING SAME AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME  
Disclosed are a positive active material composition for a rechargeable lithium battery, a positive electrode for a rechargeable lithium battery including the same, and a rechargeable lithium...
US20130136987 POSITIVE ELECTRODE ACTIVE MATERIAL FOR SECONDARY BATTERY AND SECONDARY BATTERY USING THE SAME  
Provided is a lithium ion positive electrode active material for a secondary battery that can realize a high operating voltage and a high capacity while suppressing capacity drop with cycles by...
US20130248779 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. yLi2MnO3-(1−y)LiM(1-x)SbxO2 (1) (where M...
US20120015250 POSITIVE ELCTRODE MATERIALS FOR LITHIUM ION BATTERIES AND PROCESS FOR PREPARING THE SAME  
Provided are a positive electrode material for lithium ion batteries and a process for preparing the same. The positive electrode material for lithium ion batteries comprises a composite positive...

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