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| Number | Title | Issue Date |
| 7396379 | Hydrogen storage battery; positive nickel electrode; positive electrode active material and methods for making A hydrogen storage battery with improved cycle life and a method for making the same. The battery has a negative electrode with an electrochemically active negative material and a negative electrode capacity and a positive electrode electrochemically coupled with th... | 07/08/2008 |
| 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 nickel-cobalt-manganese salt, an aqueous solution of an alkali-metal hydroxide, and an... | 06/10/2008 |
| 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 |
| 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 impurities other than the desired composition. The composite oxide is the o... | 05/06/2008 |
| 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 metal oxide particle, a doped interface layer formed near the surface ... | 04/29/2008 |
| 7357910 | Method for producing metal oxide nanoparticles Method for producing metal oxide nanoparticles. The method includes generating an aerosol of solid metallic microparticles, generating plasma with a plasma hot zone at a temperature sufficiently high to vaporize the microparticles into metal vapor, and directing the... | 04/15/2008 |
| 7294434 | Nickel Hydroxide electrode material with improved microstructure and method for making the same Nickel hydroxide material comprising particles with a microstructure including crystallites of less than 103 Å as measured in the 101 direction by x-ray diffraction. A method of making positive electrode material for use in an alkaline rechargeable electroc... | 11/13/2007 |
| 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 Fe2+ is first introduced into the layers of layered double hydroxides (LDHs) in order to prepare Me-Fe2+—Fe3+ LDHs, and then by utiliz... | 06/19/2007 |
| 7232556 | Titanium comprising nanoparticles and related nanotechnology Nanoparticles comprising titanium, such as nanoscale doped titanium metal compounds, inorganic titanium compounds, and organic titanium compounds, their methods of manufacture, and methods of preparation of products from nanoparticles comprising titanium are provide... | 06/19/2007 |
| 7223377 | Process for producing micro-mesoporous metal oxide having regulated pores formed by novel template removal method The present invention is the method for preparation of transition metal oxide having micro-mesoporous structure whose average fine pores size is not less than 1 nm and not more than 2 nm comprising, adding and dissolving transition metal salt which is a precursor of... | 05/29/2007 |
| 7211238 | Mesoporous aluminum oxide, preparation and use thereof Mesoporous aluminum oxides with high surface areas have been synthesized using inexpensive, small organic templating agents instead of surfactants. Optionally, some of the aluminum can be framework-substituted by one or more other elements. The material has high the... | 05/01/2007 |
| 7183018 | Electrode material for anode of rechargeable lithium battery, electrode structural body using said electrode material, rechargeable lithium battery using said electrode structural body, process for producing said electrode structural body, and process for producing said rechargeable lithium battery An electrode material for an anode of a rechargeable lithium battery, containing a particulate comprising an amorphous Sn.A.X alloy with a substantially non-stoichiometric ratio composition. For said formula Sn.A.X, A indicates at least one kind of an element select... | 02/27/2007 |
| 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 |
| 7141148 | Material for a dimensionally stable anode for the electrowinning of aluminum A material suitable for use as the active anode surface in the electrolytic reduction of alumina to aluminium metal defined by the formula: A1+xB1+δCdO4 where A is a divalent cation or a mixture of cations with a relative... | 11/28/2006 |
| 7138102 | Method for manufacturing highly-crystallized double oxide powder A method for manufacturing a highly-crystallized double oxide powder composed of a single crystal phase which can be used as a phosphor material, a dielectric material, a magnetic material, etc. The method involves forming fine droplets of a raw material solution co... | 11/21/2006 |
| 7132093 | Mesoporous mixed oxide materials as a new class of SOresistant catalysts for hydrocarbon oxidation The oxide materials are of the class of ternary mesoporous mixed oxide materials including lanthanum, a metal M selected from the group consisting of Cr, Mn, Fe, Co, Ni, Cu and Zn, and zirconium or cerium such a mesoporous La—Co—Zr mixed oxide material designate... | 11/07/2006 |
| 7118728 | Method and apparatus for making ferrite material products and products produced thereby A method for making ferrite powder may include providing ferrite feed materials in a form of particles having different sizes and irregular shapes, and exposing the ferrite feed materials to a plasma to provide a more spherical shape to irregularly shaped particles ... | 10/10/2006 |
| 7033566 | Photocatalyst and use thereof for decomposing chemical substance A photocatalyst including a metal oxide semiconductor represented by the formula: In1−xMxAO4 wherein M represents a transition metal element, A represents an element belonging to the Group 5a of the Perio... | 04/25/2006 |
| 7014881 | Synthesis of multi-element oxides useful for inert anode applications An inert anode 50, for use in an electrolytic cell 12 for producing metals such as aluminum, is made by providing chemical source materials 100 such as at least two of metal salts, metal particles, or metal oxides and dissolving them to form a s... | 03/21/2006 |
| 7001586 | CO-free hydrogen from decomposition of methane The generation of CO-free hydrogen from methane, with use of catalyst compositions represented by NixMgyO and NixMgyCuzO. ... | 02/21/2006 |
| 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 |
| 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 containing zinc and having a similar structure to an alkali manganes... | 06/21/2005 |
| 6849208 | Nickel mixed hydroxide, method for the producing the same, and the use thereof as a cathode material in alkaline batteries The invention relates to a nickel mixed hydroxide with Ni as the main element and with a layer structure, comprising at least one element Ma from the group comprising Fe, Cr, Co, Ti, Zr and Cu which is present in two different oxidation states which diffe... | 02/01/2005 |
| 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 |
| 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 chemical reaction of the components and thereby directly mechanosynthesi... | 08/03/2004 |
| 6737195 | Positive active material for rechargeable lithium battery and method of preparing same Disclosed is a positive active material for a rechargeable lithium battery. The positive active material includes at least one compound represented by formulas 1 to 4 and a metal oxide or composite metal oxide layer formed on the compound. ... | 05/18/2004 |
| 6620549 | Alkaline storage battery An alkaline storage battery, a positive electrode material for the alkaline storage battery, and a method of preparation for the positive electrode material are disclosed. The positive electrode material is made up of nickel hydroxide particles that have ... | 09/16/2003 |
| 6613107 | Method of producing nickel electrode for alkaline storage batteries A method of producing a nickel electrode for an alkaline storage battery, comprising: an active-material loading step comprising preparing an active-material loaded plate electrode by loading an active-material containing nickel hydroxide as its principal... | 09/02/2003 |
| 6492016 | Method for preparing spherical ferrite beads and use thereof The invention allows the fabrication of small, dense, highly polished spherical beads of hexagonal ferrites with selected compositions for use in nonreciprocal microwave and mm-wave devices as well as in microwave absorbent or reflective coatings, composi... | 12/10/2002 |
| 6447953 | Nickel hydroxide positive electrode material exhibiting improved conductivity and engineered activation energy High capacity, long cycle life positive electrode modified nickel hydroxide material for use in an alkaline rechargeable electrochemical cell at least one modifier and has modified activation energy, chemical potential and electrical conductivity. Particl... | 09/10/2002 |
| 6387033 | Preparation of new layered double hydroxides exchanged with osmate for asymmetric dihydroxylation of olefins to vicinal diols LDH-osmate of the formula [MII.sub.(1-x) MIIIx (OH)2 ][OsO42- ]x/2.zH2 O wherein MII is a divalent cation selected from the group consisting of Mg2+, ... | 05/14/2002 |
| 6319421 | Ceramic oxide powder, method for producing the ceramic oxide powder, ceramic paste produced using the ceramic oxide powder, and method for producing the ceramic paste A method for producing ceramic oxide powder having a grain size of 5 μm or less and exhibiting a uniform grain size distribution is disclosed. The method includes the steps of sufficiently dissolving or uniformly dispersing a raw material of constituent ... | 11/20/2001 |
| 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 |
| 6306787 | Nickel hydroxide particles and production and use thereof The invention provides nickel hydroxide secondary particles comprising agglomerates of primary particles of nickel hydroxide in the shape of a triangular prism or a triangular plate having a surface or a outer face in the form of a substantially equilater... | 10/23/2001 |
| 6294274 | Oxide thin film An object of the invention is to provide an oxide thin film which exhibits a widegap or transparency and p-type conductivity although it has heretofore been very difficult to form. The oxide thin film formed on a substrate contains copper oxide and stront... | 09/25/2001 |
| 6274272 | Active cathode material for a lithium rechargeable cell An active cathode material for a lithium rechargeable cell is in the form of lithium-containing nickel oxide substituted by three elements including at least cobalt and aluminum. The material has a monoclinic crystal structure and the following general fo... | 08/14/2001 |
| 6203945 | Nickel hydroxide active material for use in alkaline storage cell and manufacturing method of the same A nickel hydroxide active material for use in an alkaline storage cell, the active material being essentially composed of nickel hydroxide particles covered with a cobalt compound adhered to their surfaces, wherein the cobalt compound is disordered in a c... | 03/20/2001 |
| 6197273 | Method for producing fine spherical particles of carbonate or hydroxide of nickel, cobalt or copper The invention provides a process for production of fine spherical particles of a carbonate or a hydroxide of nickel, cobalt or copper which comprises: dissolving a carbonate or a hydroxide of nickel, cobalt or copper having the general formula (I) M(CO | 03/06/2001 |
| 6156695 | Nickel molybdotungstate hydrotreating catalysts A hydrodenitrogenation catalyst is prepared by decomposing a nickel (ammonium) molybdotungstate precursor and sulfiding, either pre-use or in situ, the decomposition product.... | 12/05/2000 |
| 6086843 | Structurally modified nickel hydroxide material and method for making same A method for producing a structurally modified nickel hydroxide active material for the positive electrode of an alkaline electrochemical cell. The method comprises the steps of combining a nickel ion solution, an ammonium hydroxide solution, and an alkal... | 07/11/2000 |
