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    • 3. 发明专利
    • Electrolyte membrane and solid polymer electrolyte fuel cell
    • 电解质膜和固体聚合物电解质燃料电池
    • JP2007305371A
    • 2007-11-22
    • JP2006131375
    • 2006-05-10
    • Nitto Denko Corp日東電工株式会社
    • EMORI HIDEYUKISUGITANI TORUYAMAMOTO KAZUNARI
    • H01M8/02C08F228/02C08J5/22H01B1/06H01M8/10
    • Y02E60/523
    • PROBLEM TO BE SOLVED: To provide an electrolyte membrane of which proton conductivity is improved, which has a stable membrane structure, and of which a methanol permeation inhibition property is sufficient, and to provide a solid polymer fuel cell using it.
      SOLUTION: This is the electrolyte membrane containing an electrolyte polymer in which a polymer having proton conductive groups is cross-linked by di-vinylbenzene sulfonic acid or its salt, and this is preferably composed by filling the electrolyte polymer into fine pores of a porous base material. Especially, it is preferable that the porous base material is that in which a resin composition is cross-linked which contains a first polymer containing polyethylene of weight average molecular weight of 5 hundred thousand or more and a second polymer having reactive functional groups.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供具有稳定的膜结构并且其甲醇渗透抑制性足够的质子传导性提高的电解质膜,并且提供使用它的固体聚合物燃料电池。 解决方案:这是含有质子传导基团的聚合物通过二乙烯基苯磺酸或其盐交联的电解质聚合物的电解质膜,其优选通过将电解质聚合物填充到 多孔基材。 特别优选的是,多孔基材是其中含有含有重均分子量为10万以上的聚乙烯的第一聚合物和具有反应性官能团的第二聚合物的交联树脂组合物。 版权所有(C)2008,JPO&INPIT
    • 4. 发明专利
    • Proton conductive membrane and its manufacturing method
    • 原子导电膜及其制造方法
    • JP2007122949A
    • 2007-05-17
    • JP2005310870
    • 2005-10-26
    • Nitto Denko Corp日東電工株式会社
    • SUGITANI TORUYAMAMOTO KAZUNARI
    • H01B1/06C08J5/22C08J7/16H01B13/00H01M8/02H01M8/10
    • Y02P70/56
    • PROBLEM TO BE SOLVED: To provide a proton conductive membrane wherein methanol cross-over is reduced while maintaining practically sufficient proton conductivity, a manufacturing method thereof, and fuel cell electrolyte membrane comprising this proton conductive membrane. SOLUTION: This proton conductive membrane is obtained by introducing proton conductive groups into a graft film in which graft chains formed by graft-polymerization of a vinyl-based monomer applied as far as the inside of the base material of fluorine-based polymer exist. In regard to the distribution of the proton conductive groups in the cross section of the membrane, the proton conductive membrane has the maximum value of introduction density of the proton conductive group near the membrane surface, and has the introduction density having 35 - 60% of its maximum value at the center of the membrane cross section. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种质子传导膜,其中甲基交叉减少,同时保持实质上足够的质子传导性,其制造方法和包含该质子传导膜的燃料电池电解质膜。 解决方案:该质子传导膜是通过将质子传导基团引入到接枝膜中而获得的,其中通过将基于乙烯基的单体接枝聚合形成的接枝链应用到氟基聚合物的基材的内部 存在。 关于膜的横截面中的质子传导基团的分布,质子传导膜在膜表面附近具有质子传导性基团的导入密度的最大值,导入密度为35〜60% 其在膜截面中心的最大值。 版权所有(C)2007,JPO&INPIT
    • 6. 发明专利
    • Electrolyte membrane and solid polymer fuel cell
    • 电解质膜和固体聚合物燃料电池
    • JP2005268106A
    • 2005-09-29
    • JP2004080584
    • 2004-03-19
    • Nitto Denko Corp日東電工株式会社
    • YAMAMOTO KAZUNARIEMORI HIDEYUKIYAMAGUCHI TAKEHISA
    • H01B1/06H01M8/02H01M8/10
    • Y02E60/523
    • PROBLEM TO BE SOLVED: To provide an electrolyte membrane in which proton conductivity can be improved by adjusting a shrinkage stress ratio, a solid polymer fuel cell using it, and a direct type methanol solid polymer fuel cell.
      SOLUTION: This is the electrolyte membrane in which a resin composition containing at least one kind of first polymers selected from a polyolefin group and a second polymer having a reactive group is cross-linked, and in which a third polymer having proton conductivity filled in a minute hole of a porous base material in which the shrinkage stress ratio MD/TD of a machine direction (MD) and the transverse direction (TD) is 0.4 to 2.5.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种电解质膜,其中通过调节收缩应力比可以改善质子传导性,使用它的固体聚合物燃料电池和直接型甲醇固体聚合物燃料电池。 解决方案:这是一种电解质膜,其中含有至少一种选自聚烯烃基团的第一聚合物和具有反应性基团的第二聚合物的树脂组合物是交联的,其中具有质子传导性的第三聚合物 填充在机械方向(MD)和横向(TD)的收缩应力比MD / TD为0.4〜2.5的多孔基材的微孔中。 版权所有(C)2005,JPO&NCIPI