SANTOKU CORPORATION Patent applications |
Patent application number | Title | Published |
20150361567 | POSITIVE ELECTRODE CATALYST AND DEVICE - A positive electrode catalyst, for use in a positive electrode in a device provided with the positive electrode and a negative electrode, in which a reaction represented by 4 OH | 12-17-2015 |
20150306577 | CATALYST AND PROCESS FOR PRODUCING SAME - A catalyst, a hydrocarbon steam reforming catalyst, and a method for producing the same are provided. A catalytic metal containing at least Ni is supported on a composite oxide containing R, Zr, and oxygen, at a composition of not less than 10 mol % and not more than 90 mol % of R, not less than 10 mol % and not more than 90 mol % of Zr, and not less than 0 mol % and not more than 20 mol % of M (M: elements other than oxygen, R, and Zr), with respect to the total of the elements other than oxygen being 100 mol %, wherein the composite oxide has a specific surface area of 11 to 90 m | 10-29-2015 |
20150258532 | METHOD FOR PRODUCING COMPOSITE OXIDE AND COMPOSITE OXIDE CATALYST - Provided are a method for producing a composite oxide and the composite oxide, which finds use as an easy-to-handle catalyst material having a high reforming rate of hydrocarbon to hydrogen even when oxidized. The method includes the steps of: (a) preparing a Ce aqueous solution not less than 80 mol % of which Ce ions are tetravalent, and a Zr aqueous solution containing Zr ions; (b1) mixing the Zr aqueous solution and a portion of the Ce aqueous solution to prepare a mixed aqueous solution (X1); (c1) hydrothermally processing solution (X1); (b2) adding the remainder of the Ce aqueous solution prepared in step (a) to a colloidal solution (Y1) of a composite salt obtained from step (c1) to prepare a colloidal solution (Y2) of a composite salt; (c2) hydrothermally processing solution (Y2) obtained from step (b2); (d) mixing a colloidal solution (Y3) of a composite salt obtained from step (c2) with an alkaline solution and a surfactant to prepare a precipitate; and (e) calcining the precipitate. | 09-17-2015 |
20150243976 | HYDROGEN ABSORPTION ALLOY POWDER, NEGATIVE ELECTRODE, AND NICKEL-HYDROGEN SECONDARY CELL - Hydrogen storage alloy powder, an anode, and a nickel-hydrogen rechargeable battery are provided, which are excellent in low-temperature characteristics and both in initial activity and cycle life at the same time, which properties are trading-off in conventional nickel-hydrogen rechargeable batteries. The alloy powder has a composition represented by formula (1) R | 08-27-2015 |
20150111103 | NEGATIVE ELECTRODE FOR LITHIUM-ION SECONDARY BATTERY - Provided are an anode active material for lithium ion rechargeable batteries and an anode, which are capable, when used in a lithium ion rechargeable battery, of providing excellent charge/discharge capacity and cycle characteristics, and also high rate performance, as well as a lithium ion rechargeable battery using the same. The anode active material contains particles having a crystal phase represented by RAx, wherein R is at least one element selected from the group consisting of rare earth elements including Sc and Y but excluding La, A is Si and/or Ge, and x satisfies 1.0≦x≦2.0, and a crystal phase consisting of A. The material is thus useful as an anode material for lithium ion rechargeable batteries. | 04-23-2015 |
20140349188 | POSITIVE ELECTRODE ACTIVE MATERIAL, POSITIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE BATTERY, AND NONAQUEOUS ELECTROLYTE BATTERY - The present invention provides a nonaqueous electrolyte battery that exhibits high energy density and excellent cycle characteristics, as well as a cathode for use in such a battery, and a cathode active material for use in such a cathode. The cathode active material of the present invention has a composition represented by the formula (1) and a crystallite size in the (110) plane of not smaller than 85 nm: | 11-27-2014 |
20140309104 | COMPOSITE OXIDE - Provided is a composite oxide which is suitable as a co-catalyst for an exhaust gas purifying catalyst or the like, has high heat resistance, and has an excellent oxygen absorbing and desorbing capability at low temperatures. The composite oxide contains Ce and Zr, wherein the Ce content is 30 to 80 at % and the Zr content is 20 to 70 at %, based on the total of Ce and Zr being 100 at %, or further contains particular element M, wherein the Ce content is not less than 30 at % and less than 80 at %, the Zr content is not less than 20 at % and less than 70 at %, and the content of element M is more than 0 at % and not more than 15 at %, based on the total of Ce, Zr, and element M being 100 at %; wherein the composite oxide has CaF | 10-16-2014 |
20140298646 | COMPOUND HAVING OLIVINE-TYPE STRUCTURE, POSITIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - Disclosed is a compound having the olivine structure with which batteries having high capacity, high output, and excellent high rate performance may be produced, as well as a cathode for nonaqueous electrolyte rechargeable batteries produced with this compound, and a nonaqueous electrolyte rechargeable battery provided with this cathode. The present compound is LiFePO | 10-09-2014 |
20140162174 | SOLID ELECTROLYTE, SOLID ELECTROLYTE MEMBRANE, FUEL BATTERY CELL, AND FUEL BATTERY - Provided is solid electrolyte utilizing a composite oxide of a RP-type structure, that is useful for achieving strong electromotive force and enhanced current-voltage characteristics of a fuel battery, has enhanced ion conductivity and sufficiently inhibited electronic conductivity, and is capable of intercalation of a large amount of water or hydrogen groups, as well as a solid electrolyte membrane, a fuel battery cell, and a fuel battery. The solid electrolyte and the solid electrolyte membrane of the present invention has been obtained by subjecting a particular composite oxide of a RP-type structure or a membrane thereof to a treatment of at least one of hydroxylation and hydration, and has a property that the mass determined by TG measurement at 400° C. is less than that at 250° C. by not less than 4.0%. | 06-12-2014 |
20140134040 | ALLOY FLAKES AS STARTING MATERIAL FOR RARE EARTH SINTERED MAGNET AND METHOD FOR PRODUCING SAME - Provided are raw material alloy flakes for a rare earth sintered magnet and a method for producing the same. The alloy flakes have a roll-cooled face, and (1) contain at least one R selected from rare earth metal elements including Y, B, and the balance M including iron, at a particular ratio; (2) as observed in a micrograph at a magnification of 100× of its roll-cooled face, have not less than 5 crystals each of which is a dendrite grown radially from a point of crystal nucleation, and crosses a line segment corresponding to 880 μm; and (3) as observed in a micrograph at a magnification of 200× of its section taken generally perpendicularly to its roll-cooled face, have an average distance between R-rich phases of not less than 1 μm and less than 10 μm. | 05-15-2014 |
20140123682 | MAGNETIC REFRIGERATION MATERIAL AND MAGNETIC REFRIGERATION DEVICE - Provided is a magnetic refrigeration material which has a Curie temperature of not lower than 250 K, and provides refrigeration performance well over that of conventional materials when subjected to a field change up to 2 Tesla, which is assumed to be achievable with a permanent magnet. The magnetic refrigeration material is of a composition represented by the formula La | 05-08-2014 |
20140007593 | MAGNETIC REFRIGERATION MATERIAL - Provided is a magnetic refrigeration material which has a Curie temperature near room temperature or higher, and provides refrigeration performance well over that of conventional materials when subjected to a field change up to 2 Tesla, which is assumed to be achievable with a permanent magnet. The magnetic refrigeration material is of a composition represented by the formula La | 01-09-2014 |
20130288891 | CATALYSTS AND PROCESS FOR PRODUCING SAME - A catalyst, a hydrocarbon steam reforming catalyst, and a method for producing the same are provided. A catalytic metal containing at least Ni is supported on a composite oxide containing R, Zr, and oxygen, at a composition of not less than 10 mol % and not more than 90 mol % of R, not less than 10 mol % and not more than 90 mol % of Zr, and not less than 0 mol % and not more than 20 mol % of M (M: elements other than oxygen, R, and Zr), with respect to the total of the elements other than oxygen being 100 mol %, wherein the composite oxide has a specific surface area of 11 to 90 m | 10-31-2013 |
20130272918 | HYDROGEN-ABSORBING ALLOY POWDER, NEGATIVE ELECTRODE, AND NICKEL HYDROGEN SECONDARY BATTERY - Provided are hydrogen storage alloy powder capable of providing a nickel-hydrogen rechargeable battery with simultaneous excellence in initial activity, discharge capacity, and cycle characteristics, which are otherwise in a trade-off relationship, an anode for a nickel-hydrogen rechargeable battery as well as a nickel-hydrogen rechargeable battery employing the same. The hydrogen storage alloy has a particular composition represented by formula (1), R | 10-17-2013 |
20130202964 | HYDROGEN ABSORBING ALLOY, NEGATIVE POLE, AND NICKEL-HYDROGEN SECONDARY BATTERY - A hydrogen storage alloy wherein elution of Co, Mn, Al, and the like elements into an alkaline electrolyte is inhibited, an anode for a nickel-hydrogen rechargeable battery employing the alloy, and a nickel-hydrogen rechargeable battery having the anode. | 08-08-2013 |
20130142690 | PROCESS FOR PRODUCTION OF (RARE EARTH)-MG-NI-BASED HYDROGEN STORAGE ALLOY - A safe and industrially advantageous production method is disclosed for producing a rare earth-Mg—Ni based hydrogen storage alloy which realizes production of a nickel-hydrogen rechargeable battery having excellent cycle characteristics and a large capacity. The method is for producing a rare earth-Mg—Ni based hydrogen storage alloy including element A, Mg, and element B, wherein element A is composed of at least one element R selected from rare earth elements including Sc and Y, and optionally at least one element selected from Zr, Hf, and Ca, and element B is composed of Ni and optionally at least one element selected from elements other than element A and Mg. The method includes first step of mixing an alloy consisting of elements A and B and Mg metal and/or a Mg-containing alloy having a melting point not higher than the melting point of Mg metal, and second step of heat-treating a mixture obtained from first step for 0.5 to 240 hours at a temperature 5 to 250° C. lower than a melting point of the rare earth-Mg—Ni based hydrogen storage alloy to be obtained. | 06-06-2013 |
20130142687 | METHOD FOR PRODUCING ALLOY CAST SLAB FOR RARE EARTH SINTERED MAGNET - Provided are alloy flakes for rare earth sintered magnet, which achieve a high rare earth component yield after pulverization with respect to before pulverization and a uniform particle size after pulverization, and a method for producing such alloy at high energy efficiency in an industrial scale. The method includes (A) preparing an alloy melt containing R composed of at least one element selected from rare earth metal elements including Y, B, and the balance M composed of Fe, or of Fe and at least one element selected from transition metal elements other than Fe, Si, and C, (B) rapidly cooling/solidifying the alloy melt to not lower than 700° C. and not higher than 1000° C. by strip casting with a cooling roll, and (C) heating and maintaining, in a particular temperature range, alloy flakes separated from the roll by rapid cooling and solidifying in step (B) before the flakes are cooled to not higher than 500° C., to obtain alloy flakes having a composition of 27.0 to 33.0 mass % R, 0.90 to 1.30 mass % boron, and the balance M. | 06-06-2013 |
20130001097 | PROCESS FOR PRODUCING METALLIC LITHIUM - Provided is a safe and efficient method for producing lithium metal which facilitates efficient production of anhydrous lithium chloride without corrosion of the system materials by chlorine gas or molten lithium carbonate, and which allows production of lithium metal by molten salt electrolysis of the produced anhydrous lithium chloride as a raw material. The method includes the steps of (A) contacting and reacting lithium carbonate and chlorine gas in a dry process to produce anhydrous lithium chloride, and (B) subjecting the raw material for electrolysis containing the anhydrous lithium chloride to molten salt electrolysis under such conditions as to produce lithium metal, wherein the chlorine gas generated by the molten salt electrolysis in step (B) is used as the chlorine gas in step (A) to continuously perform steps (A) and (B). | 01-03-2013 |
20120328971 | SOLID ELECTROLYTE MEMBRANE, FUEL BATTERY CELL, AND FUEL BATTERY - Provided are a solid electrolyte membrane useful in achieving strong electromotive force in a fuel battery, and a fuel battery cell produced with this membrane. The solid electrolyte membrane includes a substrate made of a sheet material and having a plurality of openings penetrating the substrate in its thickness direction, and a solid electrolyte layer provided on at least one of the faces of the substrate. The fuel battery cell includes a solid electrolyte membrane having the solid electrolyte layer on one of the faces of the substrate, and a catalyst layer containing a precious metal and provided on the other of the faces of the substrate, with the solid electrolyte layer and the catalyst layer being in contact with each other in the openings of the substrate. | 12-27-2012 |
20120227868 | MAGNESIUM-LITHIUM ALLOY, ROLLED MATERIAL, MOLDED ARTICLE, AND PROCESS FOR PRODUCING SAME - The present invention provides a very lightweight magnesium-lithium alloy which has both corrosion resistance and cold workability balanced at high levels, a certain degree of tensile strength, low surface electrical resistivity, as well as a rolled material and a formed article made of the alloy, and a method of producing the alloy, by means of a magnesium-lithium alloy containing not less than 10.5 mass % and not more than 16.0 mass % Li, not less than 0.50 mass % and not more than 1.50 mass % Al, and the balance of Mg, and having an average crystal grain size of not smaller than 5 μm and not larger than 40 μm, a tensile strength of not lower than 150 MPa, and a surface electrical resistivity of not higher than 1Ω as measured with an ammeter by pressing a cylindrical two-point probe with a pin-to-pin spacing of 10 mm and a pin tip diameter of 2 mm (contact surface area of one pin is 3.14 mm | 09-13-2012 |
20120222784 | MAGNESIUM-LITHIUM ALLOY, ROLLED MATERIAL, FORMED ARTICLE, AND PROCESS FOR PRODUCING SAME - The present invention provides a magnesium-lithium alloy having both corrosion resistance and cold workability balanced at high levels, a certain degree of tensile strength, and very light weight, as well as a rolled material and a formed article made of this alloy. The alloy of the invention contains not less than 10.5 mass % and not more than 16.0 mass % Li, not less than 0.50 mass % and not more than 1.50 mass % Al, and the balance of Mg, and has an average crystal grain size of not smaller than 5 μm and not larger than 40 μm, and a tensile strength of not lower than 150 MPa or a Vickers hardness (HV) of not lower than 50. | 09-06-2012 |
20120028128 | ALL-SOLID-STATE LITHIUM BATTERY - There is provided an all-solid lithium battery having excellent output characteristics. The battery has a cathode, an electrolyte layer, and an anode. The cathode contains a cathode active material represented by formula (1) and a sulfide solid electrolyte, and the electrolyte layer contains a sulfide solid electrolyte: | 02-02-2012 |
20110064639 | COMPOSITE OXIDE - A composite oxide is provided which has large oxygen absorption and desorption over a wide temperature range, in particular in a higher temperature range of not lower than 700° C. and/or in a lower temperature range of not higher than 400° C. The composite oxide contains oxygen, R composed of at least one of Ce and Pr, and Zr at a particular ratio, and optionally a particular ratio of M composed of at least one element selected from alkaline earth metals and the like. | 03-17-2011 |
20100301283 | HYDROGEN STORAGE ALLOY, PRODUCTION METHOD THEREFOR AND NICKEL-HYDROGEN SECONDARY BATTERY-USE CATHODE - The present invention relates to hydrogen storage alloys, methods for producing the same, and anodes produced with such alloys for nickel-hydrogen rechargeable batteries. The alloys are useful as electrode materials for nickel-hydrogen rechargeable batteries, excellent, when used as anode materials, in corrosion resistance or activity such as initial activity and high rate discharge performance, of low cost compared to the conventional alloys with a higher Co content, and recyclable. The alloys are of a composition represented by the formula (1), and has a substantially single phase structure, and the crystals thereof have an average long axis diameter of 30 to 160 μm, or not smaller than 5 μm and smaller than 30 μm. The present anodes for rechargeable batteries contain at least one of these hydrogen storage alloys. | 12-02-2010 |
20100219370 | POSITIVE ELECTRODE ACTIVE MATERIAL, POSITIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE BATTERY, AND NONAQUEOUS ELECTROLYTE BATTERY - The present invention provides a nonaqueous electrolyte battery that exhibits high energy density and excellent cycle characteristics, as well as a cathode for use in such a battery, and a cathode active material for use in such a cathode. The cathode active material of the present invention has a composition represented by the formula (1) and a crystallite size in the (110) plane of not smaller than 85 nm: | 09-02-2010 |
20100200121 | PROCESS FOR PRODUCING ALLOY SLAB FOR RARE-EARTH SINTERED MAGNET, ALLOY SLAB FOR RARE-EARTH SINTERED MAGNET AND RARE-EARTH SINTERED MAGNET - The invention provides a method for producing alloy flakes for rare earth sintered magnets, which makes uniform the intervals, size, orientation, and shape of the R-rich region and the dendrites of the 2-14-1 phase, which inhibits formation of chill, and which produces flakes that are pulverized into powder of a uniform particle size in the pulverization step in the production of a rare earth sintered magnet, and that are pulverized into powder compactable into a product with a controlled shrink ratio, and alloy flakes for a rare earth sintered magnet obtained by the method, and a rare earth sintered magnet having excellent magnetic properties. The present method includes preparing an alloy melt of a composition consisting of R of rare earth metal elements and the balance M including B and Fe, and supplying and solidifying the alloy melt on a cooling roll, wherein the roll has on its surface linear nucleation inhibiting portions for inhibiting formation of dendrites or the like, and nucleating portions for formation of the dendrites, and wherein the inhibiting portions have a region with a width of more than 100 μm. | 08-12-2010 |
20100133467 | COMPOUND HAVING OLIVINE-TYPE STRUCTURE, POSITIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - Disclosed is a compound having the olivine structure with which batteries having high capacity, high output, and excellent high rate performance may be produced, as well as a cathode for nonaqueous electrolyte rechargeable batteries produced with this compound, and a nonaqueous electrolyte rechargeable battery provided with this cathode. The present compound is LiFePO | 06-03-2010 |
20100051470 | PROCESS FOR PRODUCING METALLIC LITHIUM - Provided is a safe and efficient method for producing lithium metal which facilitates efficient production of anhydrous lithium chloride without corrosion of the system materials by chlorine gas or molten lithium carbonate, and which allows production of lithium metal by molten salt electrolysis of the produced anhydrous lithium chloride as a raw material. The method includes the steps of (A) contacting and reacting lithium carbonate and chlorine gas in a dry process to produce anhydrous lithium chloride, and (B) subjecting the raw material for electrolysis containing the anhydrous lithium chloride to molten salt electrolysis under such conditions as to produce lithium metal, wherein the chlorine gas generated by the molten salt electrolysis in step (B) is used as the chlorine gas in step (A) to continuously perform steps (A) and (B). | 03-04-2010 |