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Class 423/594.5 - Cobalt (Co) containing


Subclass of Class 423 - Chemistry of inorganic compounds
Definition: Subject matter for products or processes wherein the
No. of patents: 78
Last issue date: 03/23/2010


1    
NumberTitleIssue Date
7682595Process of producing lithium metal composite oxide particles
There is provided a lithium secondary battery having a high capacity and excellent high-rate discharge characteristic and charge/discharge cycle characteristic. The lithium secondary battery comprises a negative electrode, a positive electrode and an ionic conductor...
03/23/2010
7396379Hydrogen storage battery; positive nickel electrode; positive electrode active material and methods for making
A hydrogen storage battery with improved cycle life and a method for making the same. The battery has a negative electrode with an electrochemically active negative material and a negative electrode capacity and a positive electrode electrochemically coupled with th...
07/08/2008
7384706Lithium-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 nickel-cobalt-manganese salt, an aqueous solution of an alkali-metal hydroxide, and an...
06/10/2008
7381394Method 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 at a high level. Methods include preparing a precursor of the perovski...
06/03/2008
7368095Composite 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 impurities other than the desired composition. The composite oxide is the o...
05/06/2008
7357910Method 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 high to vaporize the microparticles into metal vapor, and directing the...
04/15/2008
7326360Cobalt ferrite based magnetostrictive materials for magnetic stress sensor and actuator applications
Magnetostrictive material based on cobalt ferrite is described. The cobalt ferrite is substituted with transition metals (such manganese (Mn), chromium (Cr), zinc (Zn) and copper (Cu) or mixtures thereof) by substituting the transition metals for iron or cobalt to f...
02/05/2008
7235193Complex lithium metal oxides with enhanced cycle life and safety and a process for preparation thereof
This invention relates to complex lithium metal oxides, which are cathode active materials of a lithium or lithium ion secondary battery with enhanced cycle life and safety, and a process for preparation thereof. The core particles are complex lithium metal oxides c...
06/26/2007
7232557Method 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 Fe2+ is first introduced into the layers of layered double hydroxides (LDHs) in order to prepare Me-Fe2+—Fe3+ LDHs, and then by utiliz...
06/19/2007
7232556Titanium comprising nanoparticles and related nanotechnology
Nanoparticles comprising titanium, such as nanoscale doped titanium metal compounds, inorganic titanium compounds, and organic titanium compounds, their methods of manufacture, and methods of preparation of products from nanoparticles comprising titanium are provide...
06/19/2007
7223377Process for producing micro-mesoporous metal oxide having regulated pores formed by novel template removal method
The present invention is the method for preparation of transition metal oxide having micro-mesoporous structure whose average fine pores size is not less than 1 nm and not more than 2 nm comprising, adding and dissolving transition metal salt which is a precursor of...
05/29/2007
7211238Mesoporous aluminum oxide, preparation and use thereof
Mesoporous aluminum oxides with high surface areas have been synthesized using inexpensive, small organic templating agents instead of surfactants. Optionally, some of the aluminum can be framework-substituted by one or more other elements. The material has high the...
05/01/2007
7183018Electrode material for anode of rechargeable lithium battery, electrode structural body using said electrode material, rechargeable lithium battery using said electrode structural body, process for producing said electrode structural body, and process for producing said rechargeable lithium battery
An electrode material for an anode of a rechargeable lithium battery, containing a particulate comprising an amorphous Sn.A.X alloy with a substantially non-stoichiometric ratio composition. For said formula Sn.A.X, A indicates at least one kind of an element select...
02/27/2007
7157186Method of producing positive electrode active material for non-aqueous electrolyte secondary battery
A method of producing a positive electrode active material for a non-aqueous electrolyte secondary battery, comprising the steps of: (a) preparing a raw material mixture, comprising “nx” mol of magnesium, “ny” mol of an element M where the element M is at le...
01/02/2007
7147834Hydrothermal synthesis of perovskite nanotubes
A low-temperature hydrothermal reaction is provided to generate crystalline perovskite nanotubes such as barium titanate (BaTiO3) and strontium titanate (SrTiO3) that have an outer diameter from about 1 nm to about 500 nm and a length from abou...
12/12/2006
7138102Method 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. The method involves forming fine droplets of a raw material solution co...
11/21/2006
7132093Mesoporous mixed oxide materials as a new class of SOresistant 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 cerium such a mesoporous La—Co—Zr mixed oxide material designate...
11/07/2006
7094301Method of forming a joint
A method of joining at least two sintered bodies to form a composite structure, including providing a first multicomponent metallic oxide having a perovskitic or fluorite crystal structure; providing a second sintered body including a second multicomponent metallic ...
08/22/2006
7063908Complex oxides, oxide-ion conductors, oxide-ion conducting films and electrochemical cells
A complex oxide and an oxide-ion conductor made of the complex oxide are provided. The complex oxide has a basic composition of (Sm1-xAx)(Al1-yBy)O3, wherein “A” represents at least one element selected from...
06/20/2006
7049031Protective coating on positive lithium-metal-oxide electrodes for lithium batteries
A positive electrode for a non-aqueous lithium cell comprising a LiMn2−xMxO4 spinel structure in which M is one or more metal cations with an atomic number less than 52, such that the average oxidation state of the manganese ions i...
05/23/2006
7033566Photocatalyst and use thereof for decomposing chemical substance
A photocatalyst including a metal oxide semiconductor represented by the formula: In1−xMxAO4 wherein M represents a transition metal element, A represents an element belonging to the Group 5a of the Perio...
04/25/2006
7014881Synthesis of multi-element oxides useful for inert anode applications
An inert anode 50, for use in an electrolytic cell 12 for producing metals such as aluminum, is made by providing chemical source materials 100 such as at least two of metal salts, metal particles, or metal oxides and dissolving them to form a s...
03/21/2006
7011898Method of joining ITM materials using a partially or fully-transient liquid phase
A method of forming a composite structure includes: (1) providing first and second sintered bodies containing first and second multicomponent metallic oxides having first and second identical crystal structures that are perovskitic or fluoritic; (2) providing a join...
03/14/2006
7008608Li-Co-Mn oxide as cathode material for lithium batteries and method of synthesis of the same
Provided is a lithium-cobalt-manganese oxide having the formula Li[CoxLi(1/3−x/3)Mn(2/3−2x/3)]O2(0.05
03/07/2006
6924064Positive active material for non-aqueous electrolyte secondary battery and non-aqueous electrolyte secondary battery comprising same
A positive active material for non-aqueous electrolyte secondary battery is provided comprising lithium manganese oxide having such a spinel structure that the half-width (2θ) of the reflection peak corresponding to 440 plane as determined by X-ray diffractometry u...
08/02/2005
6849208Nickel mixed hydroxide, method for the producing the same, and the use thereof as a cathode material in alkaline batteries
The invention relates to a nickel mixed hydroxide with Ni as the main element and with a layer structure, comprising at least one element Ma from the group comprising Fe, Cr, Co, Ti, Zr and Cu which is present in two different oxidation states which diffe...
02/01/2005
6830822Inorganic colors and related nanotechnology
A pigment with modified properties because of the powder size being below 100 nanometers. Blue, yellow and brown pigments are illustrated. Nanoscale coated, un-coated, whisker inorganic fillers are included. Stoichiometric and non-stoichiometric composition are disc...
12/14/2004
6780394High pressure production of perovskites and resulting products
A perovskite feedstock (powder or preform) is placed in a high-pressure cell of a high pressure/high temperature (HP/HT) apparatus and subjected to pressures in excess of about 2 kbar and temperatures above about 800° C. for a time adequate to increase the density ...
08/24/2004
6770256Process for synthesizing metal oxides and metal oxides having a perovskite or perovskite-like crystal structure
Metal oxides having a perovskite or perovskite-like crystal structure are prepared by a process comprising subjecting a mixture of starring powders to a high energy milling sufficient to induce chemical reaction of the components and thereby directly mechanosynthesi...
08/03/2004
6620549Alkaline storage battery
An alkaline storage battery, a positive electrode material for the alkaline storage battery, and a method of preparation for the positive electrode material are disclosed. The positive electrode material is made up of nickel hydroxide particles that have ...
09/16/2003
6387033Preparation of new layered double hydroxides exchanged with osmate for asymmetric dihydroxylation of olefins to vicinal diols
LDH-osmate of the formula [MII.sub.(1-x) MIIIx (OH)2 ][OsO42- ]x/2.zH2 O wherein MII is a divalent cation selected from the group consisting of Mg2+, ...
05/14/2002
6183621Basic cobaltous carbonates, process for preparing the same and their use
The present invention relates to processes for the production of cobalt(II) carbonates corresponding to the general formula Co[(OH)2 ]a [CO3 ]1-a, cobalt(II) carbonates and cobalt(II) oxalate carbonates obtainab...
02/06/2001
6096424Cobalt(II) oxide containing cobalt metal, a process for producing it and its use
The present invention relates to cobalt(II) oxide containing metallic cobalt, to a process for producing it and to its use....
08/01/2000
6030507Process for making a crystalline solid-solution powder with low electrical resistance
A process for making a crystalline solid-solution powder which involves reacting at least two reactants in a plasma arc of a plasma chamber and blast-cooling the resultant product in a high velocity gas stream to form the powder. The first reactant is a m...
02/29/2000
6027246Monocrystal of nickel-cobalt-manganese-copper oxide having cubic spinel structure and thermistor formed therefrom
Monocrystalline nickel-cobalt-manganese-copper oxide having a cubic spinel structure over a broad range of concentration ratios of manganese/cobalt/nickel/copper, including methods of producing such monocrystals, particularly those having a quaternary cub...
02/22/2000
6019955Active nickel hydroxide material having controlled water content
An nickel hydroxide positive electrode active material which can be made by an ultrasonic precipitation method. The nickel hydroxide active material is characterized by the composition: ##EQU1## where x, the number of water ligands surrounding each N...
02/01/2000
6015538Methods for doping and coating nickel hydroxide
The process precipitates additives onto nickel hydroxide seeds in an ammonia solution. Then introducing at least one metallic additive into the aqueous solution creates a slurry having a reducing potential. The additive is selected from the group consisti...
01/18/2000
6004526Process for preparing cathode active material for lithium secondary battery
A process for producing lithium manganate as a cathode active material for lithium secondary batteries comprising firing raw materials at a rate of temperature rise and/or temperature drop of 150° C./min or more....
12/21/1999
5993995Paste type nickel electrode containing a cobalt compound and at least one other element
The present invention provides a paste type nickel electrode for a storage cell having an alkaline electrolyte, the electrode comprising a current collector and a paste containing a nickel-based hydroxide and an oxidized compound of cobalt syncrystallized...
11/30/1999
5989516Spindle-shaped geothite particles
The present invention relates to a spindle-shaped goethite particles containing cobalt of 8.0 to 50.0 atm %, calculated as Co, based on the total Fe in the spindle-shaped goethite particles and a compound of at least one element selected from the group co...
11/23/1999
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