Patents for C01G 51 - Compounds of cobalt (4,198)
08/2004
08/11/2004CN1519966A Cathode active substance with carbon compound absorbed and lighium cell using same
08/10/2004US6773619 Magnetic core for transformer, Mn-Zn based ferrite composition and methods of producing the same
08/04/2004EP1442788A2 Screening inorganic materials for catalysis
08/04/2004EP1441977A1 Synthesis of mono-disperse and highly-crystalline nano-particles of metals, alloys, metal oxides, and multi-metallic oxides without a size-selection process
08/04/2004CN1518145A Plus plate active material for nonaqueous electrolyte secondary battery
08/04/2004CN1518142A Manufacturing method of plus plate active material for nonaqueous electrolyte secondary battery
08/04/2004CN1160256C Process for preparing lithium cobalate powder for lithium battery industry
08/03/2004US6770256 Process for synthesizing metal oxides and metal oxides having a perovskite or perovskite-like crystal structure
07/2004
07/29/2004WO2004064180A1 Material for positive electrode of lithium secondary battery and process for producing the same
07/22/2004US20040142241 baking raw material mixture, magnesium; Al, Ti, Sr, Mn, Ni or Ca; cobalt and an excess of lithium in an oxidization atmosphere at 1000 to 1100 degrees C.
07/22/2004US20040142240 lithium composite oxide has a crystal structure with a hexagonal system in an overcharged state having a potential over 4.25 V relative to metallic Li, and a maximum value of an oxygen generation peak in a gas
07/21/2004EP1438760A1 Lithium cell based on lithiated transition metal titanates
07/21/2004EP1438270A1 Economical ferrite-type magnets with enhanced properties
07/21/2004CN1513805A Preparation method of secondary crystallization type lithium cobaltate and its product
07/20/2004CA2395115C Preparation of lithium-containing materials
07/15/2004US20040137325 Lithium-cobalt composite oxide, process for its production, positive electrode for lithium secondary cell employing it, and lithium secondary cell
07/13/2004US6761839 Material for making hyper frequency multi-layer chip inductors with high performance and low sintering temperature and a process for preparing the material
07/08/2004US20040131530 From aqueous solution of cobalt salt and alkali or ammonium carbonate; chemical intermediate for cobalt oxide; bonding agent, catalyst
06/2004
06/30/2004CN1508895A Additive of electrode material for nickel-hydrogen cell and preparing method thereof
06/29/2004US6756155 Positive active material for rechargeable lithium batteries and method of preparing same
06/29/2004US6756154 Cathode active material for non-aqueous electrolyte secondary cell and process for producing the same
06/23/2004CN1506312A Prepn process of submicron level positive pole material for lithium ion cell
06/22/2004US6753111 Positive active material for rechargeable lithium batteries and method for preparing same
06/22/2004US6752979 Uniform pore size; self-assembly, surfactant-templating; micellar liquid;
06/17/2004WO2004051771A1 Method for preparing positive electrode active material for lithium secondary cell
06/16/2004EP1005579B1 Electrochemical synthesis of cobalt oxyhydroxide
06/16/2004CN1505847A Improved cathode compositions for lithium-ion batteries
06/15/2004US6749768 Hexagonal capable of sintering at temperature below silver metal or alloy melting point
06/15/2004US6749648 Lithium metal oxides
06/09/2004EP1425810A2 Improved cathode compositions for lithium ion batteries
06/08/2004US6746653 Process for recovering catalyst transition metals from salt-containing reaction mixtures
06/02/2004EP1424741A1 NICKEL ELECTRODE MATERIAL AND PRODUCTION METHOD THEREFOR, AND NICKEL ELECTRODE AND ALKALINE BATTERY
06/02/2004CN1500732A Method for preparing Lithium transition metal composite oxides from carbonate propodosoma
06/02/2004CN1151971C Process for preparing Co3O4
05/2004
05/27/2004US20040102658 For recovering rhodium catalysts from homogeneously catalysed hydroformylation reactions of olefins with carbon monoxide
05/20/2004US20040096742 Positive electrode material and battery comprising it
05/18/2004US6738203 Optical power limiting material
05/18/2004US6737037 Mixing lithium oxide and cobalt nitrate in solid state uniformly, adding heat generating material, grinding mixture, heating ground mixture at temperature in range of 650 to 700 degrees c.
05/18/2004US6737035 Heterogenite material for making submicron cobalt powders
05/13/2004WO2004040677A1 Lithium transition metal oxide with gradient of metal composition
05/13/2004US20040091414 Cobalt encapseated nickel hydroxides and basic carbonates for battery electrodes
05/13/2004US20040089540 Mixed oxide material, electrode and method of manufacturing the electrode and electrochemical cell comprising it
05/06/2004WO2003017398A3 Positive electrode active materials for secondary batteries and methods of preparing same
05/05/2004CN1148818C Positive electrode material of lithium ion cell and its preparation method
05/04/2004US6730727 Colored resin water distribution pipe
05/04/2004US6730281 Methods of making transition metal compounds useful as cathode active materials
04/2004
04/29/2004US20040082469 Perovskite catalyst system for lean burn engines
04/29/2004US20040081612 Preparing a li co acetate precursor modifying a surface of the precursor by mixing the precursor with inert soluble salt obtaining licoo2 powder heating the surface-modified precursor, and removing salt
04/29/2004DE10296745T5 Thermische Festkörpersynthese von Lithiumcobaltat Thermal solid-state synthesis of lithium cobaltate
04/29/2004DE10296692T5 Verbrennungsverfahren zur Herstellung von LiCoVO4 Combustion process for the preparation of LiCoVO4
04/28/2004CN1492528A Lithium-cobalt composite oxide and its producing method and non-aqueous electrolyte cell
04/28/2004CN1147951C Method for increasing meso-position radius and jolt density of lithium cobaltate
04/28/2004CN1147947C Alkaline storage battery and method for treating surface of positive electrode active material thereof
04/28/2004CN1147883C Bonded magnet, magnet roll and method for producing ferrite powder to be used thereof
04/27/2004US6727424 Complex oxide having high thermoelectric conversion efficiency
04/22/2004US20040076884 Prepared by impregnating the lithium cobalt oxide particle in an aqueous solution containing ions of Zr, Ti, B, Al or Ga, and calcining the impregnated particle.
04/21/2004EP1257377A4 Rapid conversion of metal-containing compounds to form metals or metal oxides
04/15/2004WO2004031114A1 Method for carrying out heterogeneously catalysed gas phase partial oxidation of acrolein to form acrylic acid
04/15/2004US20040069969 Magnetic ferrite powder, magnetic ferrite sinter, layered ferrite part, and process for producing layered ferrite part
04/14/2004EP1408018A1 Supported perovskite-type oxides and methods for preparation thereof
04/14/2004CN1146062C Active material for positive electrode and lithium secondary batterey using same and method of manufacturing same
04/13/2004US6720112 Lithium cell based on lithiated transition metal titanates
04/08/2004WO2004030126A1 Positive electrode material for lithium secondary battery and process for producing the same
04/08/2004WO2004030125A1 Positive electrode active substance for lithium secondary battery and process for producing the same
04/07/2004EP1405890A1 Thermochromic material
04/07/2004EP1405358A2 Cathode material for lithium rechargeable batteries
04/06/2004US6716372 Usable as electrode active materials; for use in batteries
04/06/2004CA2324595C Oxygen scavenging compositions and methods for making same
04/06/2004CA2287380C Autothermic reactor comprising oxygen ion conducting dense ceramic membrane and process using the autothermic reactor for producing synthesis gas
04/01/2004WO2003015198A3 Cathode compositions for lithium ion batteries
04/01/2004US20040062870 Composite metal oxide catalyst
03/2004
03/31/2004CN1485278A Preparation method for secondary crystal lithium cobalt acid of positive electrode material of lithium ion cell
03/31/2004CN1143821C Process for producing lithium-cobalt composite oxide
03/30/2004US6713763 Oxide thin film for a bolometer, process for producing the same, and infrared sensor using the same
03/30/2004US6713037 Process for synthesizing noncrystalline lithium based mixed oxides by high energy milling
03/24/2004CN1483663A Method for manufacturing highly-crystallized oxide powder
03/24/2004CN1143403C Positive-pole active material for lithium cell and making method thereof
03/24/2004CN1143002C Method for extracting anions of IVB to VIII metals using alkyl-substituted 1,3-diaminopropanes
03/23/2004US6709641 Using dialkyl-substituted 1,3-diaminopropanes; high loading capacity
03/23/2004CA2115460C Improved mixed metal oxide crystalline powders and method for the synthesis thereof
03/18/2004WO2004023583A1 Process for producing lithium cobalt composite oxide for positive electrode of lithium secondary battery
03/18/2004US20040053135 Active material of positive electrode for non-aqueous electrolyte secondary battery and method for preparing the same and non-aqueous electrolyte secondary battery using the same
03/18/2004US20040053134 Improved safety; differential scanning calorimetry
03/17/2004EP1109667A4 Oxygen scavenging compositions and methods for making same
03/17/2004CN1142323C Preparation method of cobaltous oxide used for positive pole of alkaline secondary cell
03/16/2004US6706445 Reacting lithium source; a metal source having a metal and a titanium compound, a zirconium compound, or a mixture of titanium and zirconium compound; in the presence of reducing carbon to produce lithium mixed metal compounds
03/16/2004US6706444 Process for preparing lithium manganate in spinel structure
03/16/2004US6706442 Alkaline storage battery
03/11/2004US20040048158 Batteries; decreased amount of gas to be generated during storage at high temperatures
03/11/2004US20040047789 Ceramic material and the production thereof
03/10/2004CN1141747C Secondary cell with nonaqueous electrolyte and process for preparing positive active material therefor
03/09/2004US6702961 Preparation of lithium-containing materials
03/04/2004WO2004018365A1 Iron oxide powder for undercoat layer of coat-type magnetic recording medium having multilayer structure and a process of producing the same
03/04/2004WO2004018364A1 Iron oxide powder and a process of producing the same
03/03/2004EP1394223A1 Method of making crystalline nanoparticles
03/02/2004US6699453 Spheroidally agglomerated basic cobalt(II) carbonate and spheroidally agglomerated cobalt(II) hydroxide, process for their production and their use
02/2004
02/25/2004EP1391424A2 Preparation of lithium-containing materials
02/25/2004EP1391423A1 Method for manufacturing highly-crystallized oxide powder
02/25/2004EP1390994A1 Improved cathode compositions for lithium-ion batteries
02/18/2004CN1476413A Production of fine-grained particles
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