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    • 119. 发明公开
    • POLYMER ELECTROLYTE FUEL CELL AND FUEL CELL STACK EQUIPPED WITH SAME
    • BRENNSTOFFZELLENSTAPEL DAMIT的聚合物 - BRENNSTOFFZELLE
    • EP2549573A4
    • 2015-07-01
    • EP11755893
    • 2011-03-15
    • PANASONIC IP MAN CO LTD
    • OKANISHI TAKEOUKOASHI NAOTSUGUTSUJI YOICHIRO
    • H01M8/02H01M4/86H01M8/10
    • H01M8/026H01M4/8605H01M8/0258H01M8/0265H01M8/1004H01M8/241H01M8/2483H01M8/2484H01M2008/1095
    • A polymer electrolyte fuel cell of the present invention comprises a membrane-electrode assembly (5), a first separator (6a), and a second separator (6b); the first separator (6a) having a groove-shaped first reaction gas channel (8) on one main surface of the first separator (6a) which contacts the first electrode (4a) such that a plurality of straight-line-shaped first rib portions (11) run along each other; the second electrode (4b) having a groove-shaped second reaction gas channel (9) on one main surface of the second electrode (4b) which contacts the second separator (6b) such that a plurality of straight-line-shaped second rib portions (12) run along each other; a ratio of a first reaction gas channel width of at least an upstream portion (18b) of the first reaction gas channel (8) with respect to a second rib portion (12) is greater than 0 and not greater than 1.
    • 本发明的聚合物电解质燃料电池包括膜 - 电极组件(5),第一分离器(6a)和第二分离器(6b); 所述第一隔板(6a)在与所述第一电极(4a)接触的所述第一隔板(6a)的一个主表面上具有槽状的第一反应气体通道(8),使得多个直线状的第一肋部 (11)相互依存; 所述第二电极(4b)在与所述第二隔板(6b)接触的所述第二电极(4b)的一个主表面上具有槽状的第二反应气体通道(9),使得多个直线状的第二肋部 (12)相互依存; 第一反应气体通道(8)的至少上游部分(18b)相对于第二肋部分(12)的第一反应气体通道宽度的比率大于0且不大于1。