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    • 10. 发明专利
    • Fuel cell electrode catalyst and its manufacturing method, and solid polymer fuel cell using the same
    • 燃料电池电极催化剂及其制造方法和使用其的固体聚合物燃料电池
    • JP2010027506A
    • 2010-02-04
    • JP2008190013
    • 2008-07-23
    • Cataler CorpToyota Motor Corpトヨタ自動車株式会社株式会社キャタラー
    • MIZUTANI NOBUAKITAKAHASHI HIROAKIHORIUCHI YOSUKETERADA TOMOAKINAGATA TAKAHIROHORI AKIHIRO
    • H01M4/90H01M4/88H01M8/10
    • Y02P70/56
    • PROBLEM TO BE SOLVED: To provide a fuel cell electrode catalyst having higher initial power generating performance (higher activity) than a conventional platinum alloy catalyst while satisfactorily suppressing (enduring) performance degradation after long-time power generating operation, and to provide its manufacturing method and a solid polymer fuel cell using the same. SOLUTION: The fuel cell electrode catalyst is formed of a nonnoble metal alloy which can be complexed with noble metal-carbon supported on a conductive carbon carrier. Herein, the conductive carbon carrier is complexed with a nonnoble metal component and the complexed nonnoble metal component is alloyed with a noble metal component. The fuel cell electrode catalyst is manufactured in a method which includes a first step of complexing the conductive carbon carrier with the nonnoble metal component which can be complexed with carbon fired, a second step of cleaning the complexed material obtained in the first step, and a third step of alloying the complexed nonnoble metal component with the noble metal component. COPYRIGHT: (C)2010,JPO&INPIT
    • 解决的问题:为了提供具有比常规的铂合金催化剂更高的初始发电性能(更高的活性)的燃料电池电极催化剂,同时在长时间的发电操作中令人满意地抑制(持久的)性能退化,并提供 其制造方法和使用其的固体高分子型燃料电池。 解决方案:燃料电池电极催化剂由能够与负载在导电性碳载体上的贵金属碳复合的非金属合金形成。 这里,导电性碳载体与非金属成分复合,配合的非金属成分与贵金属成分合金化。 燃料电池用电极催化剂的制造方法包括:使导电性碳载体与可与碳烧结相结合的非金属成分复合的第一工序,将第一工序中得到的复合材料进行清洗的第二工序, 将复合的非金属组分与贵金属组分合金化的第三步骤。 版权所有(C)2010,JPO&INPIT