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    • 3. 发明申请
    • Proton conducting membrane, method for producing the same and fuel cell using the same
    • 质子导电膜,其制造方法和使用其的燃料电池
    • US20060035129A1
    • 2006-02-16
    • US10540564
    • 2004-02-05
    • Shigeki NomuraKenji YamauchiSatoshi KomaToshiya SugimotoTaira Hasegawa
    • Shigeki NomuraKenji YamauchiSatoshi KomaToshiya SugimotoTaira Hasegawa
    • C08J5/22
    • C08J5/2287C08G77/28C08G77/392C08J2383/00H01B1/122H01M8/0289H01M8/1007H01M8/1009H01M8/12H01M2300/0082Y02P70/56
    • A proton conducting membrane having a high ionic conductivity and an excellent high temperature dimensional stability which can perform stably even at high temperatures, a method for producing the same and a solid polymer-based fuel cell comprising same are provided. In other words, the present invention concerns a method for producing a proton conducting membrane having a crosslinked structure formed by a silicon-oxygen covalent bond and having a sulfonic acid-containing crosslinked structure represented by the following formula (1) therein, which comprises a first step of preparing a mixture containing a mercapto group-containing oligomer (A) having a plurality of mercapto groups and a reactive group which can form a Si—O—Si bond by condensation reaction, a second step of forming said mixture into a membrane, a third step of subjecting said membrane-like material to condensation reaction in the presence of a catalyst to obtain a crosslinked gel and a fourth step of oxidizing the mercapto group in the membrane so that it is converted to a sulfonic acid group, a proton conducting membrane obtained by same and a fuel cell comprising same:
    • 提供了具有高离子导电性和优异的高温尺寸稳定性的质子传导膜,即使在高温下也能稳定地进行,其制造方法以及包含该固体聚合物的燃料电池。 换句话说,本发明涉及一种制造具有由硅 - 氧共价键形成的交联结构并具有由下式(1)表示的含磺酸交联结构的质子传导膜的方法,该方法包括: 制备含有具有多个巯基的含巯基低聚物(A)和通过缩合反应形成Si-O-Si键的反应性基团的混合物的混合物的第一步骤,将所述混合物形成膜 第三步,在催化剂存在下对所述膜状材料进行缩合反应,得到交联凝胶,第四步是将膜中的巯基氧化成磺酸基,质子 由其获得的导电膜和包含该膜的燃料电池: