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Chemistry: Electrical Current Producing Apparatus, Product, And Process > Current Producing Cell, Elements, Subcombinations And Compositions For Use Therewith And Adjuncts > Electrode > Chemically Specified Inorganic Electrochemically Active Material Containing > Alkalated Transition Metal Chalcogenide Component Is Active Material > Alkalated Cobalt (co) Chalcogenide Alkalated Cobalt (co) ChalcogenideAlkalated Cobalt (co) Chalcogenide patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.05/31/07 - 20070122705 - Electrode active material powder with size dependent composition and method to prepare the same The present invention relates to a powderous electrode active material of lithium transition metal oxide LiaMbO2, wherein 0.9 < a < 1.1, 0.9 < b < 1.1 and M is dominantly transition metal chosen from Mn, Co and Nickel, having particles with a distribution of sizes, where the composition M ... 05/24/07 - 20070117014 - Positive electrode active material for lithium secondary battery and method for producing same (wherein A is Ti, Nb or Ta, O.90≦a≦1.10, 0.97≦b≦1.00, 0.000l≦c≦0.02, 0.000l≦d≦0.02, 0.000l≦e≦0.01, 1.98≦f≦2.02, 0≦g≦0.02, and 0.0003≦c+d+e≦0.03). ... 05/17/07 - 20070111097 - Lithium-cobalt composite oxide, process for its production, positive electrode for lithium secondary cell employing it, and lithium secondary cell The composite oxide is a lithium-cobalt composite oxide which is represented by the formula LiCo1-xMxO2, (wherein 0≦x≦0.02 and M is at least one member selected from the group consisting of Ta, Ti, Nb, Zr and Hf), and which has a half-width of the diffraction peak for (110) face at 2θ=66.5±1°, ... 12/21/06 - 20060286457 - Nonaqueous electrolyte secondary battery A nonaqueous electrolyte secondary battery which comprises a positive electrode including particles of lithium-containing layered nickel oxide represented by a general formula LiaNixCoyAlzMbO2, wherein 0.3≦a≦1.05, 0.7≦x≦0.87, 0.1≦y≦0.27, 0.03≦z≦0.1, 0≦b≦0.1; M is at least one selected from metallic elements except Ni, Co and Al. In the binding energy of the oxygen ... 12/07/06 - 20060275667 - Cathode active material, method of manufacturing it, cathode, and battery A cathode active material capable of increasing a capacity and improving high temperature characteristics or cycle characteristics, a method of manufacturing it, a cathode using the cathode active material, and a battery using the cathode active material are provided. In a cathode active material contained in a cathode, a coating ... 11/23/06 - 20060263690 - Positive electrode active material for lithium secondary battery and process for producing the same A lithium-cobalt composite oxide represented by the formula LipCoxMyOzFa (wherein M is a transition metal element other than Co or an alkaline earth metal element, 0.9≦p≦1.1, 0.980≦x≦1.000, 0≦y≦0.02, 1.9≦z≦2.1, x+y=1 and 0≦a≦0.02) and comprising a mixture containing substantially spherical hard first particles of lithium-cobalt composite oxide having such a sharp ... 11/16/06 - 20060257745 - Cathode active material, method of preparing the same, and cathode and lithium battery containing the material Composite cathode active materials having a large diameter active material and a small diameter active material are provided. The ratio of the average particle diameter of the large diameter active material to the average particle diameter of the small diameter active material ranges from about 6:1 to about 100:1. Mixing ... 11/09/06 - 20060251968 - Rechargeable lithium battery for tolerating discharge to zero volts The battery includes a positive electrode having a first active material on a positive substrate. The first active material includes LiNixCo1-x-yMyO2 wherein M is chosen from the group consisting of Mn, Al, Mg, B, Ti, and Li, and wherein 0.5≦x≦1 and 0≦y≦0.3. The battery also includes a negative electrode having ... 09/14/06 - 20060204852 - Nonaqueous electrolytic secondary battery and method of manufacturing the same In a nonaqueous electrolytic secondary battery according to the invention, hexagonal system lithium containing cobalt composite oxide having a crystallite size in a (110) vector direction of 1000 Å or more and having a halogen compound added thereto by burning at time of synthesis is used as a positive electrode ... 09/14/06 - 20060204851 - Cathode material for secondary batteries with non-aqueous electrolyte, a process for preparing the cathode material and lithium secondary battery containing the same Provided are a cathode active material for a non-aqueous electrolyte lithium secondary battery, a process for preparing the same and a lithium secondary battery comprising the same. The cathode active material for a non-aqueous electrolyte lithium secondary battery is represented by the formula LiaNi1−(v+w+x+y+z)MnvCowMxM′yM″zO2 wherein M, M′ and M″ are ... 09/14/06 - 20060204850 - 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 nickel-based composite oxides and organic acids with organic solvents. The active materials suppress gelation of the electrode slurries for a long ... 09/07/06 - 20060199077 - Non-aqueous electrolyte secondary battery A non-aqueous electrolyte secondary battery with excellent discharge cycle characteristics and a charging termination potential ranging from 4.4 to 4.6 V based on lithium, consisting of a positive electrode comprising a positive electrode active material, a negative electrode, and a non-aqueous electrolyte containing a non-aqueous solvent and an electrolyte salt, ... 08/31/06 - 20060194111 - Non-aqueous electrolyte secondary cell A non-aqueous electrolyte secondary cell excellent in cycle characteristics is provided. This purpose is achieved by the following structure. A non-aqueous electrolyte secondary cell has a positive electrode having a positive electrode active material, a negative electrode having a negative electrode active material, and a non-aqueous electrolyte having a non-aqueous ... 08/31/06 - 20060194110 - Non-aqueous electrolyte secondary battery and charging method thereof A non-aqueous electrolyte secondary battery with excellent cycle characteristics and thermal stability in which the potential of the positive electrode active material ranges from 4.4V to 4.6 V based on lithium, and-charging method therefor are provided, wherein the positive electrode active substance of a non-aqueous electrolyte secondary battery comprises a ... 06/22/06 - 20060134522 - Deposition of licoo2 In accordance with the present invention, deposition of LiCoO2 layers in a pulsed-dc physical vapor deposition process is presented. Such a deposition can provide a low-temperature, high deposition rate deposition of a crystalline layer of LiCoO2 with a desired <101> or <003> orientation. Some embodiments of the deposition addresses the ... 05/18/06 - 20060105241 - Nonaqueous electrolyte secondary battery A nonaqueous electrolyte secondary battery comprising a positive electrode containing a positive active material, a negative electrode containing a negative active material and a nonaqueous electrolyte, wherein a lithium transition metal complex oxide A formed by allowing LiCoO2 to contain at least both of Zr and Mg and a lithium ... 05/18/06 - 20060105240 - Non-aqueous electrolyte secondary battery A non-aqueous electrolyte secondary battery including a positive electrode containing a positive active material, a negative electrode containing a negative active material and a non-aqueous electrolyte, characterized in that lithium transition metal complex oxide A formed by allowing LiCoO2 to contain at least both of Zr and Mg and lithium ... 05/18/06 - 20060105239 - Lithium transition metal oxide with gradient of metal composition Disclosed are primary materials, precursor materials and final materials as well as methods to prepare these materials. The final materials are mixed lithium transition metal oxides, useful as performance optimized cathode materials for rechargeable lithium batteries. The transition metal is a solid solution mixture of manganese, nickel and cobalt, M=(Mn1-uNiu)1-u-yCoy, ... 04/20/06 - 20060083989 - 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 nickel-cobalt-manganese salt, an aqueous solution of an alkali-metal hydroxide, and an ammonium-ion donor to react under specific conditions; and a lithium-nickel-cobalt-manganese-containing composite oxide represented by a general ... 04/13/06 - 20060078795 - Nonaqueous electrolyte secondary battery A nonaqueous electrolyte secondary battery comprising a positive electrode containing a positive electrode active material, a negative electrode containing a negative electrode active material, and a nonaqueous electrolyte is characterized in that the positive electrode active material is composed of a lithium trasition metal oxide having a layer structure and ... 10/06/05 - 20050221183 - Active material of positive electrode for nonaqueous electrolyte secondary battery and process for producing the same A positive electrode active material for a non-aqueous electrolyte secondary battery includes a particle of a composite oxide which contains Li and Co, wherein: the composite oxide further contains an element M1 and an element M2; the element M1 is at least one selected from the group consisting of Mg, ... 09/29/05 - 20050214645 - Process for producing positive electrode active material for lithium secondary battery A process for producing a lithium-cobalt composite oxide represented by the formula LipCoxMyOzFa (wherein M is a transition metal element other than Co, or an alkaline earth metal element, O.9≦p≦1.1, 0.980≦x≦1.000, 0≦y≦0.02, 1.9≦z≦2.1, x+y=1, and 0≦a≦0.02), characterized in that as a cobalt source, a mixture is used which comprises cobalt ... 08/18/05 - 20050181281 - Positive active material for lithium secondary battery and method of preparing same wherein, x is from 0.90 to 1.04, y is from 0 to 0.5, and A is selected from the group consisting of F, S and P. ... 06/30/05 - 20050142445 - Cobalt oxide particles and process for producing the same, cathode active material for non-aqueous electrolyte secondary cell and process for producing the same, and non-aqueous electrolyte secondary cell The present invention relates to cobalt oxide particles useful as a precursor of a cathode active material for a non-aqueous electrolyte secondary cell which is capable of showing a stable crystal structure by insertion reaction therein, and producing a non-aqueous electrolyte secondary cell having a high safety and especially a ... 06/16/05 - 20050130042 - Materials for positive electrodes of lithium ion batteries and their methods of fabrication This invention discloses materials for positive electrodes of secondary batteries and their methods of fabrication. Said materials comprise of granules of an active material for positive electrodes coated with an oxide layer. The active material is one or more of the following: oxides of lithium cobalt, oxides of lithium nickel ... ### FreshPatents.com Support |