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    • 9. 发明申请
    • FUEL CELL
    • 燃料电池
    • US20110045383A1
    • 2011-02-24
    • US12736329
    • 2009-03-26
    • Kenichiro TadokoroKazumi MizukamiTakashi IijimaHideaki SawadaTomohiro Hada
    • Kenichiro TadokoroKazumi MizukamiTakashi IijimaHideaki SawadaTomohiro Hada
    • H01M8/10
    • H01M4/92H01M4/926H01M2008/1095
    • The present invention relates to a fuel cell exhibiting a high performance regardless of the humidification conditions. In short, it is a fuel cell comprised of a proton-conducting electrolyte membrane sandwiched between a pair of catalyst layers, wherein a catalyst layer of at least a cathode contains a catalyst ingredient, electrolyte material, and carbon material; the carbon material is comprised of three types of materials of a catalyst-supporting carbon material supporting the catalyst ingredient, a conductivity-aiding carbon material not supporting the catalyst ingredient, and a gas-diffusing carbon material not supporting the catalyst ingredient; the catalyst layer is comprised of two phases of a catalyst aggregated phase having the catalyst-supporting carbon material supporting the catalyst ingredient and the conductivity-aiding carbon material not supporting the catalyst ingredient aggregated as main ingredients and a gas-diffusing carbon material aggregated phase having the gas-diffusing carbon material not supporting the catalyst ingredient aggregated as a main ingredient; and the catalyst aggregated phase is a continuous phase while the gas-diffusing carbon material aggregated phase is dispersed in the catalyst aggregated phase.
    • 本发明涉及不管加湿条件如何,具有高性能的燃料电池。 简而言之,它是由夹在一对催化剂层之间的质子传导电解质膜组成的燃料电池,其中至少阴极的催化剂层包含催化剂成分,电解质材料和碳材料; 碳材料由支撑催化剂成分的催化剂负载碳材料,不支持催化剂成分的导电助催化碳材料和不支撑催化剂成分的气体扩散碳材料的三种材料构成; 催化剂层由具有负载催化剂成分的催化剂负载碳材料和不支持作为主要成分聚集的催化剂成分的导电助催化碳材料的催化剂凝集相的两相和气体扩散碳材料聚集相组成, 不支撑催化剂成分的气体扩散碳材料聚集成主要成分; 催化剂凝集相为连续相,而气体扩散碳材料凝集相分散在催化剂凝聚相中。