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    • 97. 发明申请
    • CATHODE FOR FUEL CELL
    • 燃料电池阴极
    • US20090325021A1
    • 2009-12-31
    • US12372135
    • 2009-02-17
    • Jun TAMURAYoshihiko Nakano
    • Jun TAMURAYoshihiko Nakano
    • H01M4/86H01M8/10
    • H01M4/8647H01M8/1004
    • A cathode for a fuel cell is provided, which includes an electrode catalyst layer. This electrode catalyst layer is constituted by a carried catalyst including a conductive carrier and catalytic fine particles carried on the conductive carrier, by a proton-conductive inorganic oxide containing an oxide carrier and oxide particles carried on a surface of the oxide carrier, and by a proton-conductive organic polymer binder. The carried catalyst is incorporated therein at a weight of WC. Silicon oxide is carried on the surface of the proton-conductive inorganic oxide at a weight ratio of 0.1-0.5 times as much as the weight of the proton-conductive inorganic oxide. The proton-conductive inorganic oxide is incorporated at a weight of WSA+SiO2. The weight ratio (WSA+SiO2/WC) is confined to 0.01-0.25. The proton-conductive organic polymer binder is incorporated at a weight of WP, the weigh ratio (WP/WSA+SiO2) is confined to 0.5-43.
    • 提供了一种用于燃料电池的阴极,其包括电极催化剂层。 该电极催化剂层由携带有催化剂的催化剂构成,该催化剂包含导电性载体和载体在载体上的催化微粒,通过含有氧化物载体的质子传导性无机氧化物和承载在氧化物载体的表面上的氧化物粒子构成, 质子传导性有机聚合物粘合剂。 所携带的催化剂以WC的重量并入其中。 氧化硅以质子传导性无机氧化物的重量的0.1-0.5倍的重量比承载在质子传导性无机氧化物的表面上。 质子传导性无机氧化物以WSA + SiO 2的重量掺入。 重量比(WSA + SiO2 / WC)限制在0.01-0.25。 质子传导性有机聚合物粘合剂以WP的重量掺入,重量比(WP / WSA + SiO 2)被限制在0.5-43。