Patents for C01G 51 - Compounds of cobalt (4,198)
07/2003
07/22/2003US6596051 Heterogenite material for making submicron cobalt metal powders
07/17/2003WO2003057359A2 Microparticles and methods for their production
07/17/2003US20030134200 Positive electrode active material and nonaqueous electrolyte secondary cell
07/17/2003US20030134089 Polymer arrays from the combinatorial synthesis of novel materials
07/16/2003EP1328028A2 A cathode active material for a lithium secondary battery and a manufacturing method therefor and a lithium secondary battery using said active material and a setup module of said lithium secondary battery using said cathode active material
07/16/2003CN1114961C Conductive agent and non-sintered nickel electrode for alkaline storage batteries
07/15/2003US6592841 Subjecting a hollandite compound having a hollandite-type crystal structure to a heat treatment in a stream of an oxygen-nitrogen mixture to improve its adsorption of nitrogen monoxide
07/10/2003WO2003056578A1 Magnetoplumbite-type ferrite magnet having improved properties and preparation thereof
07/10/2003US20030129496 Cathode active material for a lithium secondary battery and a manufacturing method therefor and a lithium secondary battery using said active material and a setup module of said lithium secondary battery using said cathode active material
07/09/2003EP1325774A1 Ceramic/metal composite article, composite structure for transporting oxide ion, and composite article having sealing property
07/09/2003CN1113681C Autothermic reactor and method for producing synthesis gas using autothermic reactor
07/08/2003US6589695 Positive active material for rechargeable lithium battery and method of preparing same
07/08/2003US6589694 Positive electrode active material, positive electrode active material composition and lithium ion secondary battery
07/08/2003US6589501 Method of preparing metal containing compounds using hydrodynamic cavitation
07/08/2003US6589499 Layered lithium cobalt oxides free of localized cubic spinel-like structural phases and method of making same
07/03/2003WO2003054102A1 Nanoparticulate preparation
07/03/2003US20030124424 Lithium-transition metal composite oxide of a layer crystal structure, in which the lithium-transition metal composite oxide contains an element that improves conductivity of electrons in the lithium- transition metal composite oxide.
07/01/2003US6586127 Oxide-ion conductor and use thereof
06/2003
06/26/2003US20030116746 Magnetic core for transformer, Mn-Zn based ferrite composition and methods of producing the same
06/26/2003US20030116745 Air and water pollution control; heating hematite, controlled reduction; compaction powder; electromagnetic absorber
06/25/2003EP1321994A2 Positive electrode active material for lithium ion secondary battery
06/25/2003EP1320906A1 Mixed oxide active material, electrode and method of manufacturing the electrode and electrochemical cell comprising it
06/24/2003US6582854 Lithium ion secondary battery, cathode active material therefor and production thereof
06/24/2003US6582852 Doped intercalation compound suitable for cathode material in electrochemical cells for lithium and lithium-ion batteries
06/18/2003CN1424980A Preparation of lithium-containing materials
06/18/2003CN1111447C Multimetal oxide material used for gas phase catalyzing and oxidizing of organic compound
06/17/2003US6579475 Lithium cobalt oxides and methods of making same
06/12/2003WO2003049222A1 Solid oxide fuel cell and production method therefor
06/12/2003WO2003049216A1 Lithium ion secondary cell
06/12/2003US20030109374 Comprising oxides of barium, niobium, tantalum and one metal from zinc, cobalt, one metal from potassium, sodium and lithium; temperature coefficient of resonance frequency; firing at a lower temperature
06/12/2003US20030108793 Cathode compositions for lithium ion batteries
06/10/2003US6576037 Pre-alloyed metal powder consisting essentially of tungsten and/or molybdenum, at least one transition metal selected among iron, cobalt, nickel and copper, and optionally at least one additive, the iron content being a given concentration
06/04/2003EP1315693A1 Recovery of metals by incineration of metal containing basic ion exchange resin
05/2003
05/28/2003EP1314793A1 Titanium dioxide cobalt magnetic film and its manufacturing method
05/22/2003US20030096696 Method of making lead zirconate titanate-based ceramic powder, piezoelectric ceramic and method for making same, and piezoelectric ceramic element
05/21/2003CN1419482A Rapid conversion of metal-containing compounds to form metals or metal oxides
05/15/2003US20030091500 Magnetic recording media
05/14/2003EP1311013A2 Lithium insertion compound of high voltage used as cathodic active mass in a lithium rechargeable electrochemical generator
05/14/2003CN1418174A Lithium containing composite oxide and monaqueous secondary ceil using the same and method for manufacturing the same
05/13/2003US6562518 Overcoating substrates; controlling temperature
05/08/2003US20030086863 Having high capacity and a high energy density with a high voltage; discharge capacity
05/07/2003EP1069633B1 Active material of positive electrode for non-aqueous electrode secondary battery and method for preparing the same and non-aqueous electrode secondary battery using the same
05/02/2003EP1242311B1 Lithium cobalt oxides and methods of making same
05/01/2003US20030082452 Lithium-containing composite oxide and nonaqueous secondary cell using the same, and method for manufacturing the same
05/01/2003US20030082098 Combining lithium oxide with a second oxide at room temperature; crystallites substantially of a nanometer dimension
04/2003
04/30/2003CN1414924A Method and apparatus for producing lithium based cathodes
04/30/2003CN1413945A Preparation method of water-base acid Co ferrite CoFe2O4 magnetic solution
04/30/2003CN1107355C Electrochemical process for oxidizing gas capable of reacting with oxygen
04/29/2003US6555270 Fabrication of highly textured lithium cobalt oxide films by rapid thermal annealing
04/24/2003WO2003033432A1 Economical ferrite-type magnets with enhanced properties
04/23/2003EP1304752A2 Positive electrode active material, positive electrode and non-aqueous electrolyte secondary battery using thereof
04/23/2003EP1304164A1 Process for the production of mixed metal oxide containing catalysts
04/23/2003EP1137598B1 Layered lithium metal oxides free of localized cubic spinel-like structural phases and methods of making same
04/23/2003CN1412872A Positive electrode active material, positive electrode using it and nonaqueous electrolyte storage battery
04/23/2003CN1412121A Method for preparing possitive active material lithium cobaltate of lithium ion cell
04/23/2003CN1412120A Method for preparing yradient material of lithium ion cell by using injection pyrolytic reaction
04/23/2003CN1411907A Method for preparing catalyst containg iron oxide
04/23/2003CN1106349C Method for producing basic cobaltous carbonates (II)
04/23/2003CN1106348C Cobaltous (II) oxide containing finely-dispersed metallic cobalt, methods of producing same and use thereof
04/17/2003WO2003031323A1 Synthesis of mono-disperse and highly-crystalline nano-particles of metals, alloys, metal oxides, and multi-metallic oxides without a size-selection process
04/17/2003US20030073574 Process for the production of iron oxide containing catalysts
04/17/2003US20030073004 Adding a coating-element source to an organic solvent to prepare coating-element-containing organic suspension; adding water to the suspension to prepare a coating liquid; coating positive active material with coating liquid; drying
04/17/2003US20030073001 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
04/16/2003EP1301954A1 Lithium metal oxides
04/16/2003CN1105682C Process for Preparing nm-class cobalt oxide
04/10/2003WO2003030283A1 Lithium cell based on lithiated transition metal titanates
04/10/2003US20030068553 Complex oxides, oxide-ion conductors, oxide-ion conducting films and electrochemical cells
04/09/2003EP1300365A2 Complex oxides, oxide-ion conductors, oxide-ion conducting films and electrochemical cells
04/09/2003EP1121477B1 Electrochemical production of amorphous or crystalline metal oxides with particle sizes in the nanometer range
04/08/2003US6544444 Complex oxide having high thermoelectric conversion efficiency
04/08/2003US6544404 Oxygen separation process
04/03/2003US20030064288 Electrochemical active material contains a lithiated zirconium, titanium, or mixed titanium/zirconium oxide that makes a useful composite electrode with a polymeric binder and an electroconductive material; battery cathode
03/2003
03/27/2003US20030056819 For thermoelectric generator/refrigerators; mixed metal sulfides, selenides or tellurides having a CdI2 analogous layer structure
03/26/2003EP1295851A1 Lithium-containing composite oxide and nonaqueous secondary cell using the same, and method for manufacturing the same
03/26/2003EP1144699B1 Method for extracting anions of ivb to viii metals using alkyl-substituted 1,3-diaminopropanes
03/26/2003CN1406398A Positive electrode active material and nonaqueous electrolyte secondary cell
03/26/2003CN1406397A Positive electrode active material for nonaqueous electrolyte secondary cell and cell using the same
03/20/2003WO2003022954A1 Method for producing ultraviolet absorbing material
03/20/2003WO2002092721A8 Thermochromic material
03/20/2003US20030054251 Positive electrode active material, production method thereof and non-aqueous electrolyte secondary battery
03/20/2003US20030054250 Redox systems
03/20/2003US20030052300 Mixing oxides, carbonates or hydroxides of main and substituted raw materials, roasting to form a clinker, wet grinding, concetrating and compresing the particles in an orientation magnetic field, shaping and sintering
03/18/2003US6534216 Spinel-type lithium manganese oxide as a primary active material;mixing the powder of lithium manganese oxide with the powder of lithium cobalt oxide or lithium nickel oxide under compression, impact and shearing actions
03/13/2003WO2003021698A1 Nickel electrode material and production method therefor, and nickel electrode and alkaline battery
03/13/2003US20030049534 Composite cobalt and magnesium oxide
03/12/2003CN1402894A 微波吸收结构 Microwave absorbing structure
03/12/2003CN1401427A Method for recovery of waste cobalt-contg. catalyst for Fischer-Tropsch synthesis
03/11/2003US6531220 Positive active material for rechargeable lithium battery and method of preparing same
03/07/2003WO2002020143A1 Ceramic/metal composite article, composite structure for transporting oxide ion, and composite article having sealing property
03/05/2003CN1102806C Two-step synthesis process for preparing LiCoO2 as active positive pole material of lithium ion battery
03/04/2003US6528033 Novel lithium-mixed metal materials which, upon electrochemical interaction, release lithium ions, and
02/2003
02/27/2003WO2003017398A2 Positive electrode active materials for secondary batteries and methods of preparing same
02/26/2003CN1399363A Active matter for battery and its prepn process
02/26/2003CN1398821A Dielectrical ceramic material
02/20/2003WO2003015198A2 Cathode compositions for lithium ion batteries
02/20/2003US20030035999 Used in secondary lithium and lithium-ion batteries to provide the power capability desired for large power applications such as power tools, electric bikes and hybrid electric vehicles.
02/19/2003CN1397962A Magentic core and Mn-Zn base ferrite mixture for transformer and mfg. method thereof
02/19/2003CN1101859C Fine metal powders based on tungsten and/or molybdenum and three-dimension transition metal
02/12/2003CN1101475C Method for reextracting cobalt
02/11/2003US6517803 Spinel; low porosity, high density
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