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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...
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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...
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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...
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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...
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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...
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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...
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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.
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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....
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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...
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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...
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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...
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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...
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7081235 |
Cathode materials for primary batteries
The cathode of a primary alkaline battery is composed of electrode grade manganese dioxide containing Zr.
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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),
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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...
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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...
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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...
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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
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