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RE43276 |
Positive active material for rechargeable lithium battery and method of preparing same
Disclosed is a positive active material for a rechargeable lithium battery. The positive active material includes at least one compound represented by formulas 1 to 4 and a metal oxide or composite...
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8137844 |
Cathode active material for lithium rechargeable battery, manufacturing method thereof and lithium rechargeable battery
A method for manufacturing a cathode active material for a lithium rechargeable battery, including: selecting a first metal compound from a group consisting of a halide, a phosphate, a hydrogen...
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8115585 |
Variable resistance element
In a variable resistance element having a variable resistor between first and second electrodes and changing its electric resistance when a voltage pulse is applied between both electrodes, data...
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8114309 |
Lithium-manganese composite oxides for lithium ion battery and process for preparing same
A lithium-manganese composite oxide for a lithium ion battery having a good cycle property at high-temperature and battery property of high capacity is provided. A spinel type lithium-manganese...
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8105719 |
Anode material for lithium batteries
Primary and secondary Li-ion and lithium-metal based electrochemical cell systems. The suppression of gas generation is achieved through the addition of an additive or additives to the electrolyte...
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8101143 |
Process for producing lithium-containing composite oxide for positive electrode for lithium secondary battery
A process for producing a lithium-containing composite oxide for a positive electrode active material for use in a lithium secondary battery, the oxide having the formula LipNxMmOzFa (wherein N is...
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8048398 |
Process for preparing mixed metal oxide powders
Process for preparing a mixed metal oxide powder, in which oxidizable starting materials are evaporated and oxidized, the reaction mixture is cooled after the reaction and the pulverulent solids...
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8025861 |
Making electrocatalyst supports for fuel cells
Titanium oxide (usually titanium dioxide) catalyst support particles are doped for electronic conductivity and formed with surface area-enhancing pores for use, for example, in electro-catalyzed...
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7993611 |
Method of preparing ceramic powders using ammonium oxalate
Wet-chemical methods involving the use of water-soluble hydrolytically stable metal-ion chelate precursors and an ammonium oxalate precipitant can be used in a coprecipitation procedure for the...
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7988880 |
Spinel type lithium transition metal oxide
In order to provide a novel spinel type lithium transition metal oxide (LMO) having excellent power performance characteristics, in which preferably both the power performance characteristics and...
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7968070 |
Process for the production of metal oxide powders
Process for the production of a metal oxide powder having a BET surface area of at least 20 m2/g by reacting an aerosol with oxygen in a reaction space at a reaction temperature of more than 700° ...
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7943111 |
Process of making cathode material containing Ni-based lithium transition metal oxide
The present invention provides for a process of making a Ni-based lithium transition metal oxide cathode active materials used in lithium ion secondary batteries. The cathode active materials are...
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7943113 |
Lithium-manganese oxides, method for preparing the same, and lithium adsorbent using the same
There is provided Lithium-manganese oxides expressed as the following chemical formula 1, Li1+xMn1−x−yMyO2+z, [Chemical Formula 1] wherein 0.01≦x≦0.5, 0≦y≦0.3, −0.2≦z≦0.2, and M is a metal select...
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7939049 |
Cathode material containing Ni-based lithium transition metal oxide
The present invention provides for Ni-based lithium transition metal oxide cathode active materials used in lithium ion secondary batteries. The cathode active materials are substantially free of...
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7939203 |
Battery containing Ni-based lithium transition metal oxide
The present invention provides for lithium ion secondary batteries that use Ni-based lithium transition metal oxide cathode active materials. The cathode active materials are substantially free of...
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7939202 |
Method for producing lithium-containing transition metal oxide
A method for producing a lithium-containing transition metal oxide represented by the general formula: Li[Lix(NiaM1−a)1−x]O2 where M is metal other than Li and Ni, 0≦x, and 0
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7935270 |
Cathode active material and lithium battery using the same
Provided is a cathode active material having a layered-spinel composite structure lithium metal oxide represented by Formula 1: xLi2MO3-yLiMeO2-zLi1+dM′2−dO4 (1) where x+y+z=1 where 0
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7935444 |
Cathode active material for lithium secondary battery
Disclosed herein is a cathode active material for a lithium secondary battery, in particular, including a lithium transition metal oxide with a layered crystalline structure in which the transition...
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7931746 |
Black pigment compositions, thick film black pigment compositions, conductive single layer thick film compositions, and black and conductive electrodes formed therefrom
The present invention is directed to pigment compositions with the formula BiwMnxCoyCuzO40, wherein w is between 7 and 9, x is between 3 and 13, y is between 2 and 13, z is between 0.5 and 7 and...
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7927506 |
Cathode active material and lithium battery using the same
Cathode active materials including lithium composite metal oxides having layered-spine composite structures are provided. The lithium metal oxide may be represented by the formula...
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7927741 |
Lithium transition metal oxide having layered structure
In a lithium transition metal oxide having a layered structure, one is provided, which is particularly excellent as a positive electrode active material of a battery on board of an electric vehicle...
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7919207 |
Anode material for lithium batteries
Primary and secondary Li-ion and lithium-metal based electrochemical cell systems. The suppression of gas generation is achieved through the addition of an additive or additives to the electrolyte...
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7914755 |
Method of preparing ceramic powders using chelate precursors
Wet-chemical methods involving the use of water-soluble hydrolytically stable metal-ion chelate precursors and the use of a nonmetal-ion-containing strong base can be used in a coprecipitation...
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7910084 |
Compound oxide manufacturing method
A compound oxide manufacturing method includes: dispersing micelles, in each of which an aqueous phase is formed, in an oil phase; producing primary particles of a precursor of compound oxide in...
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7897135 |
Carbon combustion synthesis of oxides
The present invention is generally directed to a novel, economic synthesis of oxide ceramic composites. Methods of the present invention, referred to as carbon combustion synthesis of oxides...
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7897136 |
Method for the production of hydrotalcites
A method is described for the manufacture of hydrotalcites by using at least one compound of a bivalent metal (Component A) and at least one compound of a trivalent metal (Component B), wherein at...
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7897128 |
Preparation of complex metal oxides
The present invention provides a process for making a complex metal oxide comprising the formula AxByOz. The process comprises the steps of: (a) reacting in solution at a temperature of between...
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7867472 |
Insulating target material, method of manufacturing insulating target material, conductive complex oxide film, and device
An insulating target material for obtaining a conductive complex oxide film represented by a general formula ABO3. The insulating target material includes: an oxide of an element A; an oxide of an...
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7846416 |
Soil conditioner
Anitrate-nitrogen-reducing agent for a farm product, comprising as an active ingredient a hydroxide solid solution represented by the formula (1), [(M12+)1-x(M22+)x]1-z(M3+)z(OH)2(An−)z/n·mH2O (1...
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7846585 |
Silver manganese vanadium oxide electrodes for lithium batteries
This invention relates to electrodes for non-aqueous lithium cells and batteries. More specifically, the invention relates to silver manganese vanadium oxide positive electrodes for such cells and...
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7829045 |
Method for producing lithium composite oxide for use as positive electrode active material for lithium secondary batteries
Disclosed herein is a method for producing a lithium composite oxide for use as a positive electrode active material for lithium secondary batteries by a spray pyrolysis process. The method...
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7811545 |
Process for large-scale production of monodisperse nanoparticles
The present invention is directed to a process for making nanoparticles of metals, metal alloys, metal oxides and multi-metallic oxides, which comprises the steps of reacting a metal salt dissolved...
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7803348 |
Complex cobalt oxide catalysts for oxygen reduction electrodes in alkaline fuel cells
Oxygen is reduced in the presence of a catalyst at the cathode of an alkaline-electrolyte fuel cell. Catalysts of the formula Sr3−xA1+xCo4−yByO10.5−z wherein −0.6≦x≦1.0; 0≦y≦3; and −1.5≦z≦0.5; whe...
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7799459 |
Insertion compound able to be used as cathodic active material of a lithium rechargeable electrochemical cell
A compound for use as active material of a positive electrode of a lithium-ion cell. This compound has an average discharge voltage above 4.5V in relation to the Li+/Li couple of approximately...
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7785742 |
Lithium-nickel-cobalt-manganese containing composite oxide
Coagulated particles of nickel-cobalt-manganese hydroxide wherein primary particles are coagulated to form secondary particles are synthesized by allowing an aqueous solution of a...
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7771874 |
Lithium manganese compounds and methods of making the same
Electrode materials such as LixMnO2 where 0.2
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7767189 |
Methods for preparation from carbonate precursors the compounds of lithium transition metals oxide
A method for preparing lithium transitional metal oxides, comprises the steps of: preparing a carbonate precursor using the following substeps: forming a first aqueous solution containing a mixture...
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7759006 |
Electrode active material for lithium secondary battery
Disclosed is a compound represented by the following formula 1. A lithium secondary battery using the same compound as electrode active material, preferably as cathode active material, is also...
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7754384 |
High-voltage positive electrode material having a spinel structure based on nickel and manganese for lithium cell batteries
A spinel structure compound of the formula LiNi0.4Mn1.6O4-δ, wherein δ>0, has a lattice parameter of from 8.179 to 8.183 Å. The compound may be prepared by mixing carbonated precursors under sto...
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7754383 |
Non-aqueous electrolyte secondary battery, negative electrode material therefor, and method of manufacturing the negative electrode material
A negative electrode material for a non-aqueous electrolyte secondary battery comprising an alloy including silicon and a transition metal selected from the group consisting of titanium, zirconium,...
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7749482 |
Process for producing lithium-containing composite oxide for positive electrode for lithium secondary battery
To provide a process for producing a lithium-containing composite oxide for a positive electrode for a lithium secondary battery, which is excellent in the volume capacity density, safety, charge...
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7732096 |
Lithium metal oxide electrodes for lithium batteries
An uncycled preconditioned electrode for a non-aqueous lithium electrochemical cell including a lithium metal oxide having the formula xLi2−yHyO.xM′O2.(1−x)Li1−zHzMO2 in which 0
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7722846 |
Method for preparing electroconductive mayenite type compound
Provided is a method for preparing an electroconductive mayenite type compound with good properties readily and stably at low cost. A production method of an electroconductive mayenite type...
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7704917 |
Process for producing catalyst for cyanhydrin hydration and product of the process
A process for producing a catalyst for cyanhydrin hydration, which comprises a manganese oxide as a main component and is excellent in both physical strength and reaction activity, is provided, as...
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7695649 |
Lithium transition metal oxide with gradient of metal composition
Disclosed are primary materials, precursor materials and final materials as well as methods to prepare these materials. The final materials are mixed lithium transition metal oxides, useful as...
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7691535 |
Active substance of positive electrode and non-aqueous electrolyte battery containing the same
A positive active material is provided which can give a battery having a high energy density and excellent high-rate discharge performance and inhibited from decreasing in battery performance even...
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7691352 |
Process for preparation of perovskite
A new set of additives to be sued in the preparation of inorganic materials; especially of perovskite nature is proposed. The chemical compositions of the perovskites prepared in the presence of...
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7691284 |
Tunable variable emissivity materials and methods for controlling the temperature of spacecraft using tunable variable emissivity materials
Tunable variable emissivity materials, methods for fabricating tunable variable emissivity materials, and methods for controlling the temperature of a spacecraft using tunable variable emissivity...
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7686984 |
Manganese oxide material for electrochemical cells
There is provided a manganese oxide material, wherein the material comprises a host material QqMnyMzOx, where Q and M are each any element, y is any number greater than zero, and q and z are each...
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7682747 |
Positive electrode active material and non-aqueous electrolyte secondary battery containing the same
The present invention provides a high-capacity and low-cost non-aqueous electrolyte secondary battery, comprising: a negative electrode containing, as a negative electrode active material, a...
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