申请人:Morishima Makoto
公开号:US20050271923A1
公开(公告)日:2005-12-08
The object of this invention is to provide a solid polymer electrolyte which is excellent in durability and of low cost, and membranes, solutions for electrode catalyst coating, membrane/electrode assemblies and fuel cells which use the electrolyte. According to this invention, there can be provided a fuel cell which comprises an electrode assembly having an electrode catalyst membrane formed therein, said catalyst membrane comprising a polymer electrolyte membrane held between an anode on one side of the principal plane of the electrolyte membrane and a cathode on the other side of the principal lane thereof, current collecting plates provided each independently in close contact, to the anode side and the cathode side of the electrode assembly, and electroconductive separators having gas supply passages to the anode and to the cathode provided on the outside surfaces of the current collecting plates.
本发明的目的是提供一种耐久性优良且成本低廉的固态聚合物电解质,以及使用该电解质的膜、电极催化剂涂层溶液、膜/电极组件和燃料电池。根据本发明,可以提供一种燃料电池,其包括具有电极催化剂膜的电极组件,该催化剂膜包括在电解质膜的主平面的一个侧面上的阳极和在其另一个侧面上的阴极之间保持的聚合物电解质膜,各自独立地紧密接触于电极组件的阳极侧和阴极侧的电流收集板,并在电流收集板的外表面上具有向阳极和阴极提供气体的导气通道的导电隔板。