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| Number | Title | Issue Date |
| 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 at a high level. Methods include preparing a precursor of the perovski... | 06/03/2008 |
| 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 reaction may be carried out in a reducing atmosphere in the presence of re... | 10/02/2007 |
| 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 durability, press density and productivity, by using in expensive co... | 09/18/2007 |
| 7258821 | Nickel-rich quaternary metal oxide materials as cathodes for lithium-ion and lithium-ion polymer batteries Positive electrode-active materials for use in lithium-ion and lithium-ion polymer batteries contain quaternary composite oxides of manganese, nickel, cobalt and aluminum where one of the four is present at levels of over 70 mol percent. The composite oxides can be ... | 08/21/2007 |
| 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 particles made up of aggregated crystalline primary particles of a li... | 05/15/2007 |
| 7211607 | Method for producing high surface area chromia materials for catalysis Nanostructured chromium(III)-oxide-based materials using sol-gel processing and a synthetic route for producing such materials are disclosed herein. Monolithic aerogels and xerogels having surface areas between 150 m2/g and 520 m2/g have been p... | 05/01/2007 |
| 7211235 | Method for producing hydrotalcites A method is described for the manufacture of hydrotalcites by using at least one compound of a bivalent metal (Component A) and at least one compound of a trivalent metal (Component B), wherein at least one of these components is not used in the form of a solution, ... | 05/01/2007 |
| 7157072 | Cathode composition for lithium batteries and method of preparing the same Provided is a cathode composition for lithium secondary battery that includes a lithium-chromium-titanium-manganese oxide that has the formula Li[Li(1-x)/3CrxTi(2/3)yMn2(1-x-y)/3]O2 where 0≦x≦0.3, 0≦y≦0.... | 01/02/2007 |
| 7147834 | Hydrothermal 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 |
| 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), Li1+xMn2−yMyO4 (I) wherein M is ... | 07/18/2006 |
| 7012037 | Chromia spray powders Particles particularly useful for thermal spraying a wear resistant coating on to a substrate comprise an essentially single phase crystalline structure comprising from 45 to 99% by weight of chromia and 55 to 1% by weight of alpha alumina. ... | 03/14/2006 |
| 6974566 | Method for producing mixed metal oxides and metal oxide compounds A process to produce mixed metal oxides and metal oxide compounds. The process includes evaporating a feed solution that contains at least two metal salts to form an intermediate. The evaporation is conducted at a temperature above the boiling point of the feed solu... | 12/13/2005 |
| 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 peak corresponding to 440 plane as determined by X-ray diffractometry u... | 08/02/2005 |
| 6921498 | Nonlinear optical crystals of compound Na3La9B8O27 and producing method and uses thereof The present invention relates to nonlinear optical crystals of compound Na3La9B8O27 and producing method and uses thereof. From the Na3La9B8O27 compound, large size single crysta... | 07/26/2005 |
| 6921609 | Gradient cathode material for lithium rechargeable batteries A composition suitable for use as a cathode material of a lithium battery includes a core material having an empirical formula LixM′zNi1−yM″yO2. “x” is equal to or greater than about 0.1 and equal to o... | 07/26/2005 |
| 6908708 | Method of preparing layered lithium-chromium-manganese oxides for lithium batteries A method of preparing layered lithium-chromium-manganese oxides having the formula Li[CrxLi(1/3−x/3) Mn(2/3−2x/3)]O2 where 0.1≦X≦0.5 for lithium batteries. Homogeneous precipitation is prepared by adding lithium hy... | 06/21/2005 |
| 6875416 | Method for producing lithium-transition metal mixtures The invention relates to a method for producing lithium-transition metal mixtures of general formula Lix(M1yM21-y)nOnz, wherein M1 represents nickel, cobalt or manganese, M2... | 04/05/2005 |
| 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 or lithium oxide and the required metal nitrate or metal hydroxide or ... | 01/04/2005 |
| 6803027 | Molecular decomposition process for the synthesis of nanosize ceramic and metallic powders A process is disclosed for forming a nanosize ceramic powder. A precursor ceramic material is formed of a fugitive constituent and a non-soluble constituent in a single phase. The precursor is contacted with a selective solvent (water, acid, etc.) to form a solution... | 10/12/2004 |
| 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 temperatures above about 800° C. for a time adequate to increase the density ... | 08/24/2004 |
| 6753110 | Cathode active material for lithium electrochemical cells The invention disclosed relates to a compound of molecular formula LixCryMn2−yO4+z, wherein 2.2 | 06/22/2004 |
| 6720112 | Lithium cell based on lithiated transition metal titanates An electrochemical active material contains a lithiated zirconium, titanium, or mixed titanium/zirconium oxide. The oxide can be represented by the formula LiM′M″XO4, where M′ is a transition metal, M″ is an optional three valent non-transition me... | 04/13/2004 |
| 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 . . . Oy through the steps of combining a lithium oxide with a second oxide having the base metal element (M′) at room temperature; and applying to the combinat... | 03/30/2004 |
| 6660432 | Lithiated oxide materials and methods of manufacture A single phase cathodic material for use in an electrochemical cell represented by the formula: wherein A=[Mnz Ni1-z ]; wherein x is a numerical value ranging from approximately 0.00 to approximately 0.16; wherein y is a numerical va... | 12/09/2003 |
| 6627173 | Doped titanium dioxide A process for the preparation of doped, pyrogenically prepared titanium dioxide is described. The titanium dioxide is doped with zinc oxide, platinum oxide, magnesium oxide, or aluminium oxide, by injecting an aerosol of the oxide into the production stre... | 09/30/2003 |
| 6616744 | Method of forming inorganic pigments The present invention provides a method of forming inorganic pigments using one or more metal alloys. Metal alloys used in the method of the invention are preferably milled to a mean particle size of less than about 10 microns, may be mixed with other met... | 09/09/2003 |
| 6605264 | Niobium containing zirconium-cerium based solid solutions The present invention relates to high oxygen ion conducting/oxygen storage (OIC/OS) materials, a catalyst employing the OIC/OS materials, and a method for converting hydrocarbons, carbon monoxide and nitrogen oxides using the catalyst. The OIC/OS material... | 08/12/2003 |
| 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 represented by a chemical formula Ax My N8-y | 07/15/2003 |
| 6528033 | Method of making lithium-containing materials The invention provides novel lithium-mixed metal materials which, upon electrochemical interaction, release lithium ions, and are capable of reversibly cycling lithium ions. The invention provides a rechargeable lithium battery which comprises an electrod... | 03/04/2003 |
| 6500364 | Nonlinear optical (NLO) beryllate materials In one embodiment of the present invention, the material is a non-linear optical compound with a general chemical formula (Σi Mi1)(Σj Mଲj2)(Σk Mγk3 | 12/31/2002 |
| 6482387 | Processes for preparing mixed metal oxide powders Described are preferred polymerized organic-inorganic processes for producing mixed metal oxide powders suitable for use in the ceramics and related industries. The preferred processes employ a non-chelating polymer such as polyvinyl alcohol or polyalkyle... | 11/19/2002 |
| 6475950 | Catalytic dehydrogenation processes and chromium catalysts for use therein A chromium catalyst is disclosed for use in dehydrogenation and dehydrocyclization processes.... | 11/05/2002 |
| 6447739 | Method for producing lithium transition metallates The invention relates to a method for producing lithium transition metalates of the general formula (I): Lix (M1y M21-y)n Onz, where M1 represents lithium, cobalt or m... | 09/10/2002 |
| 6361756 | Doped lithium manganese oxide compounds and methods of preparing same The present invention includes lithium manganese oxide compounds of the formula: LiMn1-x [A]x O2 wherein 0 | 03/26/2002 |
| 6361755 | Low temperature synthesis of Li4Mn5O12 cathodes for lithium batteries A spinel oxide, Li4 Mn5 O12, is synthesized by a solution phase oxidation reaction of Mn2+ with lithium peroxide in the presence of excess lithium hydroxide, followed by firing at Tࣘ500° C. This material may ... | 03/26/2002 |
| 6322928 | Modified lithium vanadium oxide electrode materials and products Improved lithium vanadium oxide formulations are presented having a nominal formula of Lix V3-δ Mδ Oy. Herein preferred cation doped vanadium oxide materials, electrodes using such materials, and electrochemic... | 11/27/2001 |
| 6306494 | Fine particulate synthetic chalcoalumite compounds, process for their production, and heat insulator and agricultural film containing the fine particulate synthetic chalcoalumite compounds Novel, fine particulate synthetic chalcoalumite, process for preparation thereof, and a heat insulating agent and agricultural film containing said fine, particulate synthetic chalcoalumite. The above objects are met by synthetic chalcoalumite represented... | 10/23/2001 |
| 6284215 | Manufacturing method of active materials for the positive electrode in alkaline storage batteries A process for producing positive electrode active material includes feeding an aqueous nickel salt solution, aqueous solutions of different kinds of metals, aqueous solution containing ammonium ions and aqueous alkali solution each independently and simul... | 09/04/2001 |
| 6217843 | Method for preparation of metal intercalated fullerene-like metal chalcogenides A method for the preparation of nanoparticles of metal oxides containing inserted metal particles and to metal-intercalated and/or metal-encaged "inorganic fullerene-like" (hereinafter IF) structures of metal chalcogenides obtained therefrom is provided, ... | 04/17/2001 |
| 6197205 | Electrolytic solution for lithium cell and method for producing same The present invention relates to a method for producing an electrolytic solution containing a solute of lithium hexafluorophosphate. This method includes a step of (a) reacting lithium fluoride with phosphorus pentafluiride, in a nonaqueous organic solven... | 03/06/2001 |
