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    • 1. 发明专利
    • Method for improving thermal conductivity of graphite
    • 改善石墨热导率的方法
    • JP2011037651A
    • 2011-02-24
    • JP2009184745
    • 2009-08-07
    • Mitsubishi Gas Chemical Co Inc三菱瓦斯化学株式会社
    • EBATA HIDEJIGOCHO YOSHIHIRO
    • C01B31/04
    • PROBLEM TO BE SOLVED: To provide graphite having further enhanced thermal conductivity, a method for producing the graphite, and a method for enhancing thermal conductivity of graphite, irrespective of that graphite is known as a good conductor and a substance excellent in thermal conductivity.
      SOLUTION: The graphite has enhanced purity of stable isotopes of carbon. The method for producing graphite is characterized by using a carbon compound having enhanced purity of stable isotopes of carbon as a raw material of the graphite. The method for enhancing thermal conductivity of graphite comprises enhancing the purity of stable isotopes of carbon in graphite.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了提供进一步提高导热性的石墨,石墨的制造方法和提高石墨导热性的方法,而不管石墨是什么,已知有良好的导体和热性优异的物质 电导率。

      解决方案:石墨具有提高的稳定同位素碳的纯度。 石墨的制造方法的特征在于,使用碳稳定同位素纯度高的碳化合物作为石墨的原料。 提高石墨导热性的方法包括提高石墨中碳稳定同位素的纯度。 版权所有(C)2011,JPO&INPIT

    • 2. 发明专利
    • Manufacturing method of membrane electrode assembly for solid polymer fuel cell
    • 用于固体聚合物燃料电池的膜电极组件的制造方法
    • JP2011119164A
    • 2011-06-16
    • JP2009276822
    • 2009-12-04
    • Mitsubishi Gas Chemical Co Inc三菱瓦斯化学株式会社
    • HAYASHI MASAYOSHITANIGUCHI MITSUGIGOCHO YOSHIHIRO
    • H01M8/02H01M8/10
    • Y02E60/523Y02P70/56
    • PROBLEM TO BE SOLVED: To provide a manufacturing method of a membrane electrode assembly for a solid polymer fuel cell using a perfluorosulfonic acid system electrolyte membrane, capable of contributing to improvement of a lifetime, a reliability, and a performance stability of a fuel cell. SOLUTION: In the manufacturing method of a membrane electrode assembly for a solid polymer fuel cell in which a perfluorosulfonic acid system electrolyte membrane is jointed in a hot-press method, the membrane electrode assembly is manufactured with a moisture content in a range of 2-8 wt% of the perfluorosulfonic acid system electrolyte membrane in the hot-press method. A high initial output and a lifetime are then obtained stably, generation of wrinkles on a membrane is reduced, and a fuel leakage from the cell is prevented. COPYRIGHT: (C)2011,JPO&INPIT
    • 解决的问题:提供一种使用全氟磺酸系电解质膜的固体高分子型燃料电池用膜电极接合体的制造方法,能够有助于提高寿命的可靠性和性能稳定性 燃料电池。 解决方案:在热压法中连接全氟磺酸系电解质膜的固体高分子型燃料电池用膜电极接合体的制造方法中,制作膜电极组件,其含水率在一定范围内 的2-8重量%的全氟磺酸系电解质膜。 然后稳定地获得高的初始输出和寿命,减少了膜上的皱纹的产生,并且防止了从电池泄漏的燃料。 版权所有(C)2011,JPO&INPIT
    • 3. 发明专利
    • Fuel cell catalyst layer and its manufacturing method
    • 燃料电池催化层及其制造方法
    • JP2009176514A
    • 2009-08-06
    • JP2008012594
    • 2008-01-23
    • Mitsubishi Gas Chem Co Inc三菱瓦斯化学株式会社
    • KUROKAWA MASAHIROGOCHO YOSHIHIRO
    • H01M4/86H01M4/88H01M8/10
    • Y02E60/523Y02P70/56
    • PROBLEM TO BE SOLVED: To provide a fuel cell catalyst layer excellent in methanol insolubility and proton conductivity, the manufacturing method of the fuel cell catalyst layer, and the fuel cell having the catalyst layer. SOLUTION: The catalyst layer for the fuel cell is formed in such a way that the surface of a catalyst layer made of a conductive porous body coated with a catalyst for the fuel cell and ion conductive resin soluble in methanol is coated with a vinyl polymer composition containing a vinyl polymer A having at least one kind of crosslinkable group selected from the group comprising an epoxy group and isocyanate group protected with a protecting group, and a vinyl polymer B having at least one kind of crosslinkable group selected from the group comprising a hydroxyl group, a carboxyl group, and an amino group, and having an acidic group in which at least one of the vinyl polymer A and the vinyl polymer B forms a salt, crosslinkable groups of the vinyl polymer A and the vinyl polymer B react with each other, and then the salt is proton-exchanged. COPYRIGHT: (C)2009,JPO&INPIT
    • 解决的问题:提供甲醇不溶性和质子传导性优异的燃料电池催化剂层,燃料电池催化剂层的制造方法以及具有催化剂层的燃料电池。 解决方案:用于燃料电池的催化剂层以这样一种方式形成,即由涂覆有用于燃料电池的催化剂的导电多孔体制成的催化剂层的表面和可溶于甲醇的离子导电树脂的表面涂覆有 含有选自由保护基保护的环氧基和异氰酸酯基中的至少一种可交联基团的乙烯基聚合物A的乙烯基聚合物组合物和具有至少一种选自下组的交联基团的乙烯基聚合物B: 包含羟基,羧基和氨基,并且具有其中至少一种乙烯基聚合物A和乙烯基聚合物B形成盐的酸性基团,乙烯基聚合物A和乙烯基聚合物B的可交联基团 彼此反应,然后盐被质子交换。 版权所有(C)2009,JPO&INPIT
    • 4. 发明专利
    • Manufacturing method of membrane-electrode assembly
    • 膜电极组件的制造方法
    • JP2009193682A
    • 2009-08-27
    • JP2008030115
    • 2008-02-12
    • Mitsubishi Gas Chem Co Inc三菱瓦斯化学株式会社
    • KUROKAWA MASAHIROGOCHO YOSHIHIRO
    • H01M4/86H01M4/88H01M8/02H01M8/10
    • Y02E60/523Y02P70/56
    • PROBLEM TO BE SOLVED: To provide a manufacturing method of an assembly of a fuel cell catalyst layer and an electrolyte membrane which are superior in conductivity, and to provide a fuel cell that is equipped with the assembly. SOLUTION: The membrane-electrode assembly is obtained, by coating on a catalyst layer a vinyl polymer composition which contains a vinyl polymer A, having at least one kind of cross-linking group selected from among aepoxy group and an isocyanate group protected by a protection group and a vinyl polymer B, having at least one kind of cross-linking group selected from among hydroxyl group, carboxyl group, and in which at least either of the vinyl polymer A and vinyl polymer B has an acidic group forming a salt; and by pinching the electrolyte membrane 3 having a reactive functional group by the catalyst layers 1, 2, and after adhering the catalyst layer for fuel cell positive electrode 1, the catalyst layer for negative electrode 2, and the electrolyte membrane, by carrying out proton exchange of the salt. COPYRIGHT: (C)2009,JPO&INPIT
    • 解决的问题:提供导电性优异的燃料电池催化剂层和电解质膜的组装的制造方法,并且提供配备有该组件的燃料电池。 解决方案:通过在催化剂层上涂覆含有乙烯基聚合物A的乙烯基聚合物组合物,其具有至少一种选自环氧基和异氰酸酯基团中的交联基团,从而获得膜 - 电极组件 通过具有选自羟基,羧基中的至少一种交联基团的保护基和乙烯基聚合物B,并且其中乙烯基聚合物A和乙烯基聚合物B中的至少任一种具有酸性基团形成 盐; 并且通过将催化剂层1,2夹持具有反应性官能团的电解质膜3,在将燃料电池用正极1用催化剂层,负极用催化剂层2和电解质膜粘接后,通过进行质子 盐的交换 版权所有(C)2009,JPO&INPIT
    • 5. 发明专利
    • Solid polymer electrolyte and solid polymer electrolyte membrane
    • 固体聚合物电解质和固体聚合物电解质膜
    • JP2006114372A
    • 2006-04-27
    • JP2004301223
    • 2004-10-15
    • Mitsubishi Gas Chem Co Inc三菱瓦斯化学株式会社
    • KUROKAWA MASAHIROGOCHO YOSHIHIRO
    • H01M8/02C08L29/14C08L101/12H01B1/06H01M8/10
    • Y02E60/523
    • PROBLEM TO BE SOLVED: To provide a solid polymer electrolyte and a solid polymer electrolyte membrane at a low cost which hold high ionic conduction and are excellent in methanol inhibition.
      SOLUTION: The solid polymer electrolyte is obtained by adding a resin composition obtained by copolymerizing a monomer having an acidic group or a monomer which is obtained by quaternary-ammoniumating a monomer having an acidic group and a monomer having a basic group with polyvinyl alcohol, a dialdehyde and/or a monoaldehyde expressed by a formula (1): R(CHO)
      n (wherein, n is 1 or 2; and R is an organic group of C≤30) and an acid catalyst. The solid polymer electrolyte satisfies the following conditions (a) and (b) and the solid polymer electrolyte membrane is obtained by film-forming the solid polymer electrolyte. (a) The monomer having an acidic group is an aliphatic monomer having at least one kind selected from a group composed of a sulfonic acid group, a phosphonic acid group and a carboxylic acid group. (b) The monomer having a basic group is an aliphatic monomer or an aromatic monomer having at least one kind selected from a group composed of an amino group, an amido group and a urea group.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供固体聚合物电解质和固体聚合物电解质膜,其成本低,具有高离子导电性和优异的甲醇抑制作用。 解决方案:固体聚合物电解质是通过将通过将具有酸性基团的单体或通过将具有酸性基团的单体季铵化的单体和具有碱性基团的单体而获得的单体与聚乙烯醇 醇,二醛和/或由式(1)表示的单醛:R(CHO) n (其中n为1或2; R为C≤30的有机基团)和 酸催化剂。 固体高分子电解质满足下述条件(a)和(b),通过成膜固体高分子电解质得到固体高分子电解质膜。 (a)具有酸性基团的单体是具有选自由磺酸基,膦酸基和羧酸基构成的组中的至少一种的脂肪族单体。 (b)具有碱性基团的单体是具有选自氨基,酰胺基和脲基中的至少一种的脂肪族单体或芳香族单体。 版权所有(C)2006,JPO&NCIPI