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7632477 Process for preparing zirconium oxides and zirconium-based mixed oxides  
This invention relates to a process for preparing zirconium oxide, in its various forms, including zirconium-based mixed oxides. There is described a process for preparing a zirconium oxide in the...
7605110 Ceramic body, ceramic catalyst body and related manufacturing methods  
A ceramic body, a ceramic catalyst body, a ceramic catalyst body and related manufacturing methods are disclosed wherein a cordierite porous base material has a surface, formed with acicular...
7604789 Porous composite oxide and production method thereof  
The present invention provides a porous composite oxide comprising an aggregate of secondary particles in the form of aggregates of primary particles of a composite oxide containing two or more...
7585435 High density cobalt-manganese coprecipitated nickel hydroxide and process for its production  
The present invention provides high density cobalt-manganese coprecipitated nickel hydroxide, particularly having a tapping density of 1.5 g/cc or greater, and a process for its production...
7585432 High density cobalt-manganese coprecipitated nickel hydroxide and process for its production  
The present invention provides high density cobalt-manganese coprecipitated nickel hydroxide, particularly having a tapping density of 1.5 g/cc or greater, and a process for its production...
7582383 Complex oxide materials and cathode materials for lithium ion battery  
A lithium secondary battery that is highly safe and has long life. The battery, which is a nonaqueous lithium secondary battery, utilizes a cathode active material comprising a complex oxide...
7575735 Metal oxide and metal fluoride nanostructures and methods of making same  
The present invention includes pure single-crystalline metal oxide and metal fluoride nanostructures, and methods of making same. These nanostructures include nanorods and nanoarrays.
7575831 Co-precipitation method for the preparation of Li1+xNi1-yCoyO2-based cathode materials  
A method for preparing Li 1+x Ni 1−y Co y O 2 cathode materials is disclosed, wherein −0.2≦x≦0.2 and 0.05≦y≦0.5. The method includes the following steps: (A) adding a first solution...
7556745 Sintered compact for thermistor element, process for producing the same, thermistor element and temperature sensor  
A sintered body for thermistor element of the invention is a sintered body for thermistor element containing Sr, Y, Mn, Al, Fe, and O, wherein not only respective liquid crystal phases of a...
7547491 Cathode active material, method of preparing the same, and cathode and lithium battery applying the material  
Composite cathode active materials comprising a composite oxide and an acid treated with an organic solvent are provided. The composite cathode active materials are prepared by treating mixtures of...
7517613 Positive electrode material for lithium secondary battery and lithium secondary battery using the same  
A positive electrode material for a nonaqueous lithium secondary battery and a lithium secondary battery that has superior cycle life and safety and reduced internal resistance of the battery at...
7510693 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 m 2 /g by reacting an aerosol with oxygen in a reaction space at a reaction temperature of more than...
7507501 Positive active material composition for rechargeable lithium batteries  
A positive active material composition for a rechargeable lithium battery includes at least one lithiated compound, and at least one additive compound selected from the group consisting of a...
7501208 Doped manganese dioxides  
An active manganese dioxide electrode material that exhibits improved electrochemical performances compared with conventional manganese dioxide materials includes at least one dopant. The doped...
7488465 Solid state synthesis of lithium ion battery cathode material  
Single-phase lithium-transition metal oxide compounds containing cobalt, manganese and nickel can be prepared by wet milling cobalt-, manganese-, nickel- and lithium-containing oxides or oxide...
7488464 Metal oxide processing methods and systems  
Methods and systems for processing metal oxides from metal containing solutions. Metal containing solutions are mixed with heated aqueous oxidizing solutions and processed in a continuous process...
7476467 Lithium secondary battery with high power  
The present invention provides a non-aqueous electrolyte-based high power lithium secondary battery having a long-term service life and superior safety at both room temperature and high...
7393476 Positive electrode active material for lithium secondary cell and lithium secondary cell  
A positive active material for lithium secondary batteries, includes a composite oxide including an oxide which is represented by the composite formula Li x Mn a Ni b Co c O 2 and has an α-NaFeO...
7384706 Lithium-nickel-cobalt-maganese containing composite oxide, material for positive electrode active material for lithium secondary battery, and methods for producing these  
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...
7381394 Method for producing perovskite-type composite oxide  
Methods of producing a safe and hygienic method for industrially and efficiently producing a perovskite-type composite oxide are provided that can maintain the catalytic activity of a noble metal...
7381498 Positive electrode active material powder for lithium secondary battery  
To provide a lithium-nickel-cobalt-manganese composite oxide powder for a positive electrode of a lithium secondary battery, which has a large volume capacity density and high safety and is...
7368095 Composite oxide for solid oxide fuel cell and method for preparation thereof  
The present invention provides a composite oxide for a high performance solid oxide fuel cell which can be fired at a relatively low temperature, and which has little heterogeneous phases of...
7364793 Powdered lithium transition metal oxide having doped interface layer and outer layer and method for preparation of the same  
The present invention provides a powdered lithium transition metal oxide useful as a major component for cathode active material of rechargeable lithium batteries, comprising a lithium transition...
7357910 Method for producing metal oxide nanoparticles  
Method for producing metal oxide nanoparticles. The method includes generating an aerosol of solid metallic microparticles, generating plasma with a plasma hot zone at a temperature sufficiently...
7338582 Method for manufacturing manganese oxide nanostructure and oxygen reduction electrode using said manganese oxide nanostructure  
It is an object of the present invention to provide an oxygen reduction electrode having excellent oxygen reduction catalysis ability. In a method of manufacturing a manganese oxide nanostructure...
7323158 Multiple metal oxide submicron particles  
Collections of particles comprising multiple a metal oxide can be formed with average particle sizes less than about 500 nm. In some embodiments, the particle collections have particle size...
7314684 Layer cathode methods of manufacturing and materials for Li-ion rechargeable batteries  
A positive electrode active material for lithium-ion rechargeable batteries of general formula Li 1+x Ni α Mn β A γ O 2 and further wherein A is Mg, Zn, Al, Co, Ga, B, Zr, or Ti and...
7314682 Lithium metal oxide electrodes for lithium batteries  
An uncycled electrode for a non-aqueous lithium electrochemical cell including a lithium metal oxide having the formula Li (2+2x)/(2+x) M′ 2x/(2+x) M (2−2x)/(2+x) O 2−δ , in which 0≦x<1...
7303840 Manganese oxide composite electrodes for lithium batteries  
An activated electrode for a non-aqueous electrochemical cell is disclosed with a precursor of a lithium metal oxide with the formula xLi 2 MnO 3 .(1−x)LiMn 2−y M y O 4 for 0<x<1 and...
7288242 Lithium-containing complex oxide and method of producing same  
A lithium-containing complex oxide exhibits a high performance as a cathode active material of a lithium secondary cell or the like and having a high tap density. A granular lithium-containing...
7285259 Sintering resistant catalyst material and a method for the preparation thereof  
Preparation of sintering resistant hexaaluminates, AAl11O18, wherein A is an alka-line earth or rare earth metal, and more particularly lanthanum, by a combination of sol-gel and microemulsion...
7285357 Electrochemically active material for the positive electrode of an electrochemically rechargeable lithium cell  
An electrochemically active material resulting from substituting a portion of the nickel in a single-phase composite oxide of nickel and lithium of the LiNiO 2 type, characterized in that the...
7232527 Sintered body for thermistor devices, thermistor device and temperature sensor  
A sintered body for thermistor device comprising: at least one element selected from elements of group 3 in a periodic table proviso that La is excluded; at least one element selected from elements...
7232557 Method for preparation of magnetic spinel ferrites from layered double hydroxide precursors  
The invention describes a method of preparing magnetic ferrites from layered precursors in which Fe 2+ is first introduced into the layers of layered double hydroxides (LDHs) in order to prepare...
7226698 Positive active material for rechargeable lithium battery, method of preparing same, and rechargeable lithium battery comprising same  
Disclosed is a positive active material for a lithium rechargeable battery, a method of preparing the same, and a lithium rechargeable battery comprising the same. The positive active material has...
7217474 Positive electrode active material, non-aqueous electrolyte secondary battery and method for producing positive electrode active material  
A non-aqueous electrolyte secondary battery employing a positive electrode active material containing a compound represented by the general formula Li x M y PO 4 , where 0<x≦2 and...
7217406 Lithium-manganese composite oxide granular secondary particle, method for production thereof and use thereof  
Granular secondary particles of a lithium-manganese composite oxide suitable for use in non-aqueous electrolyte secondary batteries showing high-output characteristics which are granular secondary...
7157072 Cathode composition for lithium batteries and method of preparing the same  
Provided is a cathode composition for lithium secondary battery that includes a lithium-chromium-titanium-manganese oxide that has the formula Li[Li (1-x)/3 Cr x Ti (2/3)y Mn 2(1-x-y)/3 ]O 2 where...
7147834 Hydrothermal synthesis of perovskite nanotubes  
A low-temperature hydrothermal reaction is provided to generate crystalline perovskite nanotubes such as barium titanate (BaTiO 3 ) and strontium titanate (SrTiO 3 ) that have an outer diameter...
7138102 Method for manufacturing highly-crystallized double oxide powder  
A method for manufacturing a highly-crystallized double oxide powder composed of a single crystal phase which can be used as a phosphor material, a dielectric material, a magnetic material, etc....
7138209 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 a core and a surface-treatment layer on the core. The core includes at least one...
7132093 Mesoporous mixed oxide materials as a new class of SO2 resistant catalysts for hydrocarbon oxidation  
The oxide materials are of the class of ternary mesoporous mixed oxide materials including lanthanum, a metal M selected from the group consisting of Cr, Mn, Fe, Co, Ni, Cu and Zn, and zirconium or...
7118728 Method and apparatus for making ferrite material products and products produced thereby  
A method for making ferrite powder may include providing ferrite feed materials in a form of particles having different sizes and irregular shapes, and exposing the ferrite feed materials to a...
7105138 Macroporous perovskite manganese oxides with highly ordered nano-pores and method of preparing the same  
The present invention relates to the macroporous manganese oxide material having ferromagnetic property and a method of preparing the same, more particularly to the macroporous ferromagnetic...
7081235 Cathode materials for primary batteries  
The cathode of a primary alkaline battery is composed of electrode grade manganese dioxide containing Zr.
7078127 Method for producing positive electrode material of Li-ion secondary battery  
A method for producing a positive electrode material adapted to the Li-ion secondary batteries is disclosed. The produced material has the following formula (I),
7064238 Conversion of alkanes to oxygenates  
A process is provided for converting an alkane to an oxygenated product by passing an alkane gas over a first fixed bed containing a higher valence bromide salt to produce an alkyl bromide, a...
7056486 Method for preparing lithium manganese spinel complex oxide having improved electrochemical performance  
The present invention relates to lithium manganese complex oxide with a spinel structure used as an active material of a lithium or lithium ion secondary battery. Specifically, the present...
7049031 Protective coating on positive lithium-metal-oxide electrodes for lithium batteries  
A positive electrode for a non-aqueous lithium cell comprising a LiMn 2−x M x O 4 spinel structure in which M is one or more metal cations with an atomic number less than 52, such that the...
7033566 Photocatalyst and use thereof for decomposing chemical substance  
A photocatalyst including a metal oxide semiconductor represented by the formula: In 1−x M x AO 4
Matches 1 - 50 out of 355 1 2 3 4 5 6 7 8 >