|
Match
|
Document |
Document Title |
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
7563431 |
Nickel hydroxide and method for producing same
A process for preparing nickel hydroxide by alkaline precipitation from nickel salt solutions in the presence of complexing agents, in which the precipitation is carried out at at least two...
|
|
|
7553474 |
Method for producing metal oxide sol
It is an object to provide a method for producing stable alkaline metal oxide sols having a uniform particle size distribution. The method comprises the steps of: heating a metal compound at 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...
|
|
|
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...
|
|
|
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...
|
|
|
7481991 |
Process for producing lithium-containing composite oxide for positive electrode for lithium secondary battery
A process to produce a positive electrode active material for a lithium secondary battery, having a large volume capacity density and high safety, uniform coating properties, charge and discharge...
|
|
|
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...
|
|
|
7381496 |
Lithium metal oxide materials and methods of synthesis and use
A composition having a formula Li x Mg y NiO 2 wherein 0.9<x<1.3, 0.01<y<0.1, and 0.91<x+y<1.3 can be utilized as cathode materials in electrochemical cells. A composition having...
|
|
|
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...
|
|
|
7374841 |
Positive electrode active matter and secondary battery using this
A cathode active material includes: (a) first oxide including (1) lithium (Li), nickel (Ni) and manganese, (2) a first element MI selected from Group 2 to Group 14 elements, and (3) oxygen; (b) a...
|
|
|
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...
|
|
|
7332248 |
Active material for positive electrode for non-aqueous electrolyte secondary battery and method of manufacturing the same
A method of manufacturing a non-aqueous electrolyte secondary battery is provided wherein the positive electrode is made from a lithium-metal composite oxide represented by the general formula Li x...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
7276218 |
Methods of making transition metal compounds useful as cathode active materials
A method for carrying out solid state reactions under reducing conditions is provided. Solid state reactants include at least one inorganic metal compound and a source of reducing carbon. The...
|
|
|
7270797 |
Process for producing positive electrode active material for lithium secondary battery
To provide a process for producing a lithium-cobalt composite oxide for a positive electrode of a lithium secondary battery excellent in volume capacity density, safety, charge and discharge cyclic...
|
|
|
7241532 |
Positive-electrode material for lithium secondary battery, secondary battery employing the same, and process for producing positive-electrode material for lithium secondary battery
A subject for the invention is to provide a positive-electrode material, which has high capacity and high output and is inhibited from suffering a decrease in output with repetitions of charge and...
|
|
|
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...
|
|
|
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...
|
|
|
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),
|
|
|
7074382 |
Layered lithium metal oxides free of localized cubic spinel-like structural phases and methods of making same
The present invention includes substantially single-phase lithium metal oxide compounds having hexagonal layered crystal structures that are substantially free of localized cubic spinel-like...
|
|
|
7060390 |
Lithium ion battery comprising nanomaterials
A lithium ion battery includes a cathode ( 10 ) having a plurality of nanoparticles of lithium doped transition metal alloy oxides represented by the formula Li x Co y Ni z O 2 , an anode ( 20 )...
|
|
|
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...
|
|
|
7033555 |
Low temperature lithiation of mixed hydroxides
A low temperature contaminant limiting process for lithiating hydroxides and forming lithiated metal oxides of suitable crystalinity in-situ. M(OH) 2 is added to an aqueous solution of LiOH. An...
|
|
|
7018607 |
Cathode material for lithium battery
A method is disclosed for synthesizing a crystalline metal oxide powder material containing two or more uniformly distributed metal elements. Crystalline, water containing, oxygen containing...
|
|
|
7011907 |
Secondary battery cathode active material, secondary battery cathode and secondary battery using the same
A cathode active material for a lithium-ion secondary battery includes a spinel lithium manganese composite oxide expressed by the general formula: Li a (Ni x Mn 2−x−q−r Q q R r )O 4 ,...
|
|
|
6953566 |
Process for preparing cathode material for lithium batteries
The present invention relates to a novel process based on solid state thermal reaction for the preparation of cathode materials for lithium secondary batteries such as rocking chair and...
|
|
|
6924064 |
Positive 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...
|
|
|
6908707 |
Positive electrode material and nickel-zinc battery
The present invention provides a nickel-zinc battery of an inside-out structure, that is, a battery comprising a positive electrode containing beta-type nickel oxyhydroxide and a negative electrode...
|
|
|
6878490 |
Positive electrode active materials for secondary batteries and methods of preparing same
The present invention is a positive electrode active material that can be used in secondary lithium and lithium-ion batteries to provide the power capability, i.e., the ability to deliver or retake...
|
|
|
6875416 |
Method for producing lithium-transition metal mixtures
The invention relates to a method for producing lithium-transition metal mixtures of general formula Li x (M 1 y M 2 1-y ) n O nz , wherein M 1 represents nickel, cobalt or manganese, M 2 ...
|
|
|
6838072 |
Plasma synthesis of lithium based intercalation powders for solid polymer electrolyte batteries
The invention relates to a process for preparing lithium intercalation compounds by plasma reaction comprising the steps of: forming a feed solution by mixing lithium nitrate or lithium hydroxide...
|
|
|
6780394 |
High 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...
|
|
|
6770256 |
Process 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...
|
|
|
6713037 |
Process for synthesizing noncrystalline lithium based mixed oxides by high energy milling
A process method for producing a lithium based mixed oxide of the formula LiM′ x . . . O y through the steps of combining a lithium oxide with a second oxide having the base metal element...
|
|
|
6592841 |
Adsorbent for nitrogen oxides and its treatment method
A method of treating a hollandite compound to improve its adsorption of nitrogen monoxide, which comprises subjecting a hollandite compound having a hollandite-type crystal structure and...
|
|
|
6497854 |
Cathode material for a lithium secondary battery and method for manufacturing same
A cathode material for a lithium secondary battery having a high capacity, an excellent cycle property, and an excellent thermal stability. The cathode material for the lithium secondary battery is...
|
|
|
6475455 |
Manufacturing method of spinel lithium manganese oxide for lithium secondary cell
A manufacturing method of spinel type manganese oxide for a lithium ion secondary cell, includes pre-firing a mixture of lithium salt including lithium carbonate, manganese oxide, and heterogeneous...
|