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    • 45. 发明授权
    • Portion conductive electrolyte, method of preparing the same, electrode for fuel cell, method of manufacturing the electrode, and fuel cell including the same
    • 部分导电电解质,其制备方法,燃料电池用电极,电极的制造方法以及包含该电极的燃料电池
    • US07816052B2
    • 2010-10-19
    • US11441000
    • 2006-05-26
    • Myung-dong ChoJung-ock Park
    • Myung-dong ChoJung-ock Park
    • H01M6/14
    • H01M8/1081C08J5/2268C08J2375/04C08J2387/00H01B1/122H01M4/8605H01M4/8803H01M8/1023H01M8/1027H01M8/103H01M8/1039H01M8/1044H01M2008/1095H01M2300/0082Y02P70/56
    • A proton conductive electrolyte including a polymerized polyurethane, polyethylene(metha)acrylic acid (PEAA), and a cross-linking agent mixture; a method of preparing the same; an electrode including a support and a catalyst layer, the catalyst layer including a supported catalyst and a polymerized mixture of a polyurethane based compound and a polyethylene(metha)acrylic acid; a method of preparing the electrode; and a fuel cell including the proton conductive electrolyte and/or the electrode. The proton conductive electrolyte can be prepared at lower costs than conventionally used polybenzimidazole and NAFION and can be easily formed into a membrane with a controlled thickness by casting. The polymer electrolyte membrane has high mechanical strength, flexibility, and excellent ionic conductivity. The electrode remains stable under high temperature operation, a strong binding force is maintained between the support and the catalyst layer, and the electrode has excellent ionic conductivity. The fuel cell produced using the proton conductive electrolyte and/or the electrode can operate at 100° C. or higher under non-humidified conditions and exhibits an improved performance.
    • 包含聚合的聚氨酯,聚乙烯(甲基)丙烯酸(PEAA)和交联剂混合物的质子传导电解质; 其制备方法; 包括载体和催化剂层的电极,所述催化剂层包括负载型催化剂和聚氨酯基化合物与聚乙烯(甲基)丙烯酸的聚合混合物; 制备电极的方法; 以及包括质子传导性电解质和/或电极的燃料电池。 质子传导电解质可以以比常规使用的聚苯并咪唑和NAFION更低的成本制备,并且可以通过铸造容易地形成具有受控厚度的膜。 聚合物电解质膜具有高机械强度,柔韧性和优异的离子导电性。 电极在高温操作下保持稳定,在支撑体和催化剂层之间保持牢固的结合力,电极具有优异的离子导电性。 使用质子传导电解质和/或电极制造的燃料电池可在非加湿条件下在100℃或更高温度下工作,并且表现出改进的性能。