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| Number | Title | Issue Date |
| 7811478 | Positive-electrode active material powder The present invention provides a positive-electrode active material powder, which comprises a granular material (A) capable of doping/dedoping lithium ions and a deposit (B) placed on the surface of the material in a granular or layered form (herein, the material (A... | 10/12/2010 |
| 7435402 | Method and apparatus for preparation of spherical metal carbonates and lithium metal oxides for lithium rechargeable batteries A number of materials with the composition Li1+xNiαMnβCoγM′δO2−zFz (M′=Mg,Zn,Al,Ga,B,Zr,Ti) for use with rechargeable batteries, wherein x is between about 0 and 0.3, α is betwee... | 10/14/2008 |
| 7425284 | Inert anode for the production of aluminium by fused bath electrolysis and method of making this anode The purpose of the invention is a process for making a solid part designed to form all or part of an anode for the production of aluminium by fused bath electrolysis, containing a cermet formed from at least one metallic oxide such as a mixed oxide with spinel struc... | 09/16/2008 |
| 7364713 | Raw material powder for molding oxide ion conductor, and method for manufacturing the same It is an object of the present invention to provide a raw material powder for stably obtaining a dense sinter that is prevented from cracking, and a method for manufacturing this powder, and a method for manufacturing a lanthanum-based oxide ion conductor in which t... | 04/29/2008 |
| 7306779 | Lithium-cobalt composite oxide, process for its production, positive electrode for lithium secondary cell employing it, and lithium secondary cell A composite oxide suitable for an active material of a positive electrode for a lithium secondary cell which can be used in a wide range of voltage, has a large electric capacity and excellent low temperature performance and is excellent in the durability for charge... | 12/11/2007 |
| 7292132 | NTC thermistor probe An apparatus for temperature measurement comprising at least one insulator, at least one thermistor attached to the insulator, the thermistor having at least one of a Ge NTC die and an Si NTC die, and at least one outer electrically conductive film attached to the i... | 11/06/2007 |
| 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 |
| 7169209 | Functional alloy particles Disclosed are metal alloy particles containing substantially no lead, each exhibiting a plurality of different melting points including an original lowest melting point (a) and a highest melting point, wherein, when the metal alloy particles are subjected to differe... | 01/30/2007 |
| 6946213 | Perovskite electrodes and method of making the same The invention relates to perovskite oxide electrode materials in which one or more of the elements Mg, Ni, Cu, and Zn are present as minority components that enhance electrochemical performance, as well as electrode products with these compositions and methods of ma... | 09/20/2005 |
| 6878304 | Reduction resistant thermistor, method of production thereof, and temperature sensor A highly accurate reduction resistant thermistor exhibiting stable resistance characteristics even under conditions where the inside of a metal case of a temperature sensor becomes a reducing atmosphere, wherein when producing the thermistor comprised of a mixed sin... | 04/12/2005 |
| 6806218 | Grain oriented ceramics, thermoelectric conversion element and production process thereof Grain oriented ceramics constituted of a polycrystalline body of a layered cobaltite in which a {001} plane of each grain constituting the polycrystalline body has an average orientation degree of 50% or more by the Lotgering's method. In this case, the layered coba... | 10/19/2004 |
| 6756154 | Cathode active material for non-aqueous electrolyte secondary cell and process for producing the same A cathode active material for a non-aqueous electrolyte secondary cell having a c-axis length of lattice constant of 14.080 to 14.160 Å, an average particle size of 0.1 to 5.0 μm, and a composition represented by the formula: LiCo(1−x−y) | 06/29/2004 |
| 6749776 | Method for rapid screening of emission-mix using a combinatorial chemistry approach A method of making an electron emissive material using combinatorial chemistry techniques is provided. The method includes providing a plurality of pixels of the electron emissive material, each pixel having at least one different characteristic from any other one o... | 06/15/2004 |
| 6727424 | Complex oxide having high thermoelectric conversion efficiency This invention provides a complex oxide comprising the features of : (i) being represented by the formula:(A0.4B0.1M0.1)x/0.6Co2Oy wherein A and B are elements differing from each other, each represen... | 04/27/2004 |
| 6719924 | Superconducting device and method of manufacturing the same There is provided a superconducting device including a substrate, a first superconductor layer supported by the substrate and containing Ln, AE, M and O, and a second superconductor layer containing a material represented by a formula of (Yb1−yLn′ | 04/13/2004 |
| 6692665 | Lithium managanese oxide, cathode material for lithium secondary battery, cathode, lithium secondary battery and process for manufacturing lithium manganese oxide The invention provides a lithium manganese oxide spinel suited as a cathode active material for lithium ion secondary batteries showing excellent high-temperature cycling behavior. The lithium manganese oxide is represented by the following general formul... | 02/17/2004 |
| 6677278 | Pb-Bi-Sr-Ca-Cu-oxide powder mix with enhanced reactivity and process for its manufacture An Oxide Precursor Powder from the Pb--Bi--Sr--Ca--Cu--O 2223 System can be produced by heat treating powder, produced using the Spray Pyrolysis Process as described in: GB2210605 or EP0681989 between 700° C. and 850° C. in an atmosphere containing betw... | 01/13/2004 |
| 6670076 | Spinel-type lithium-manganese oxide containing heteroelements preparation process and use thereof A high-performance spinel-type lithium-manganese oxide for use as a material for a positive electrode of a Li secondary battery with inhibited Mn dissolution in an organic electrolyte, which is represented by the following formula: wherein { } represents ... | 12/30/2003 |
| 6653259 | Fabrication of large bulk high temperature superconducting articles A method of fabricating large bulk high temperature superconducting articles which comprises the steps of selecting predetermined sizes of crystalline superconducting materials and mixing these specific sizes of particles into a homogeneous mixture which ... | 11/25/2003 |
| 6589695 | Positive active material for rechargeable lithium battery and method of preparing same Disclosed is a method of preparing a positive active material for a rechargeable lithium battery. In this method, a lithium salt is reflux-reacted with a metal salt in a basic solution. The positive active material has a spherical or sperical-like form, d... | 07/08/2003 |
| 6544444 | Complex oxide having high thermoelectric conversion efficiency This invention provides a complex oxide comprising the features of: (i) being represented by the formula: (A0.4 B0.1 M0.1)x/0.6 Co2 Oy wherein A and B are elements differing from each other... | 04/08/2003 |
| 6497854 | Cathode material for a lithium secondary battery and method for manufacturing same A cathode material for a lithium secondary battery having a high capacity, an excellent cycle property, and an excellent thermal stability. The cathode material for the lithium secondary battery is a layered compound having a general formula: Lix | 12/24/2002 |
| 6471921 | Mixed ionic and electronic conducting ceramic membranes for hydrocarbon processing The invention relates to mixed phase materials for the preparation of catalytic membranes which exhibit ionic and electronic conduction and which exhibit improved mechanical strength compared to single phase ionic and electronic conducting materials. The ... | 10/29/2002 |
| 6319429 | Oxygen sensitive resistance material Oxygen sensitive resistance materials for use with oxygen sensors, in particular λ probes are described. These materials are based on the fact that with complex metal oxides it is possible--by adding suitable doping substances--to achieve a negligible te... | 11/20/2001 |
| 6255255 | Oxide superconducting material and method of producing the same An oxide superconducting material includes a REBa2 Cu3 O7-x phase (RE designating one or a combination of two or more rare earth elements including Y), particles composed of Ce, Ba, Cu and O dispersed therein, and RE2... | 07/03/2001 |
| 6241959 | Method of manufacturing lithium composite oxide as positive active material for lithium secondary batteries A lithium composite oxide (Lia Ni.sub.(1-x-y) Cox My O2, where M is at least one metal atom selected from the group consisting of Al, Ca, Mg and B, a=0.97~1.05, x=0.1~0.3, and y=0~0.05), prepared by a method inc... | 06/05/2001 |
| 6184280 | Electrically conductive polymer composition An electrically conductive polymer composition comprises a moldable organic polymer having hollow carbon microfibers and an electrically conductive white powder uniformly dispersed therein, the carbon fibers being present in an amount of 0.01 wt. % to les... | 02/06/2001 |
| 6168888 | Spinel-type lithium-manganese oxide containing heteroelements, preparation process and use thereof A high-performance spinel-type lithium-manganese oxide for use as a material for a positive electrode of a Li secondary battery with inhibited Mn dissolution in an organic electrolyte, which is represented by the following formula: {Li}[Lix.M.sub.y.M... | 01/02/2001 |
| 6160472 | Multilayer varistor A multilayer varistor comprising a varistor chip body having alternately stacked ceramic layers and internal electrode layers is provided. The ceramic layer is composed of a composite oxide containing Ti and/or Zr and Ba as a main component and Si and/or ... | 12/12/2000 |
| 6150290 | Ceramic material for use in the separation of oxygen from gas mixture A perovskite ceramic material having the general formula: Ax A'x' A"x" By B'y' B"y" O3-δ, wherein A, A' and A" each is one or more metals selected from the group of lanthanide metals; B, ... | 11/21/2000 |
| 6129862 | Composite oxides of A-site defect type perovskite structure An electrode material is disclosed which includes: a composite oxide of an A-site defect perovskite structure represented by the following general formula (A'1-x A"x)1-y (B'1-y B"y)O3-δ wherein... | 10/10/2000 |
| 5994254 | Fluorite ceramic material A ceramic material, having the general formula: Ax By O2-δ wherein xࣘ1 and yࣘ1 and -1δ | 11/30/1999 |
| 5958304 | Doped lanthanum chromite material for bipolar interconnects for solid oxide fuel cells An improved ceramic interconnect component for a solid oxide fuel cell having good electrical conductivity and thermodynamic stability in the presence of fuel and a coefficient of thermal expansion matching closely that of zirconia electrolytes is disclos... | 09/28/1999 |
| 5955178 | Electro-conductive oxides and electrodes using the same Electro-conductive oxides showing excellent electro-conductivity, electrodes using the electro-conductive oxide and methods for manufacturing the same are described. The electro-conductive oxides are represented by the general formula: M(1)x M(... | 09/21/1999 |
| 5900385 | Nickel--containing compounds useful as electrodes and method for preparing same A compound having the formula Liq Crx-y Niy Mn2-x O4+z where qࣙ2, 1.0ࣘxࣘ1.25, 0 | 05/04/1999 |
| 5849667 | Superconductor and method of producing same A high critical temperature and high critical current density superconductor is disclosed which contains a metal oxide expressed by the following formula (I): (R11-x, Bax)Ba2 Cu3 Od (I) wh... | 12/15/1998 |
| 5795670 | Porous sintered lanthanum manganite bodies and method of manufacturing the same A porous sintered lanthanum manganite body has an alkali metal content of at least 100 ppm and the alkali metal concentration in the lanthanum manganite crystal grains is higher adjacent the grain boundaries than away from the grain boundaries. The body i... | 08/18/1998 |
| 5784310 | Low imprint ferroelectric material for long retention memory and method of making the same Thin film ferroelectric materials for use in integrated memory circuits, such as FERAMS and the like, contain strontium bismuth niobium tantalate having an empirical formula SrBi2+E (NbX Ta2-X)O9+3E/2, wherein E... | 07/21/1998 |
| 5772924 | Composite conductive powder and conductive film formed from the powder Composite conductive powder comprises a calcined mixture of conductive powder mainly comprising indium oxide which contains at least one member selected from the group consisting of tin oxide, titanium oxide and zirconium oxide as a dopant and conductive ... | 06/30/1998 |
| 5720904 | Electroconductive tin oxide Electroconductive doped tin (IV) oxide is produced in bulk by combining a first material which is selected from: a) a thermal precursor of a dopant element; b) a tin (II) compound comprising a dopant element; and c) a mixture of materials each falling within (a) or... | 02/24/1998 |
