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    • 65. 发明申请
    • Proton conducting membrane, method for producing the same, and fuel cell using the same
    • 质子导电膜及其制造方法以及使用其的燃料电池
    • US20070213495A1
    • 2007-09-13
    • US11727036
    • 2007-03-23
    • Shigeki NomuraToshiya SugimotoMasanori NakamuraKenji Yamauchi
    • Shigeki NomuraToshiya SugimotoMasanori NakamuraKenji Yamauchi
    • C08G77/04
    • C08G77/28C08G77/50C08J5/2275C08J2383/06H01B1/122H01M4/8605H01M8/1037H01M8/1051H01M8/1074H01M2300/0082H01M2300/0091Y02P70/56Y10T442/2467
    • The present invention provides relates to a crosslinkable, proton-conducting membrane having a crosslinked structure, excellent in heat resistance, durability, dimensional stability and fuel barrier characteristics, and showing excellent proton conductivity at high temperature, characterized by comprising (a) an organic/inorganic hybrid structure (A) covalently bonded to 2 or more silicon-oxygen crosslinks and, at the same time, having a carbon atom, and (b) an acid containing structure (B) having an acid group, covalently bonded to a silicon-oxygen crosslink and having an acidic group; and provides a fuel cell using the same membrane. The present invention also provides a method for producing the proton-conducting membrane, comprising steps of preparing a mixture containing an organic/inorganic hybrid, crosslinkable compound (C) and compound (D), the former having 2 or more crosslinkable silyl groups and carbon atoms each being bonded to the silyl group via the covalent bond and the latter having a crosslinkable silyl group and acid group, as the first step; forming the above mixture into a film as the second step; and hydrolyzing/condensing or only condensing the hydrolyzable silyl group contained in the mixture formed into the film to form a crosslinked structure as the third step.
    • 本发明涉及具有交联结构,耐热性,耐久性,尺寸稳定性和燃料阻隔特性优异的交联性质子传导膜,并且在高温下显示出优异的质子传导性,其特征在于包括(a)有机/ 共价结合到2个以上的硅 - 氧交联基团,同时具有碳原子的无机杂化结构(A),和(b)具有酸基的含酸结构体(B),共价键合到硅 - 氧交联并具有酸性基团; 并提供使用相同膜的燃料电池。 本发明还提供一种生产质子传导膜的方法,包括以下步骤:制备含有有机/无机杂化物,可交联化合物(C)和化合物(D)的混合物,前者具有2个或更多个可交联甲硅烷基和碳 作为第一步,各自通过共价键与甲硅烷基键合的原子,后者具有交联性甲硅烷基和酸基; 将上述混合物形成为第二步骤的膜; 并将形成的混合物中所含的可水解甲硅烷基水解/缩合或缩合形成第三步的交联结构。