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    • 69. 发明申请
    • FUEL CELL, IN PARTICULAR FOR ARRANGEMENT IN A FUEL CELL STACK, AND FUEL CELL STACK
    • 燃料电池,特别是用于燃料电池堆叠的装置和燃料电池堆
    • WO2009092433A1
    • 2009-07-30
    • PCT/EP2008/011116
    • 2008-12-24
    • DAIMLER AGFORD GLOBAL TECHNOLOGIES, LLCMAZZOTTA, CosimoHORNBURG, GeraldJESSE, MatthiasHEIDRICH, Hans-Jörg
    • MAZZOTTA, CosimoHORNBURG, GeraldJESSE, MatthiasHEIDRICH, Hans-Jörg
    • H01M8/02H01M8/04H01M8/10
    • H01M8/0247H01M8/04022H01M8/04097H01M8/04104H01M8/04268H01M8/1004
    • The invention relates to a fuel cell (1), in particular for arrangement in a fuel cell stack, having a first bipolar plate (2) and a second bipolar plate (3) and having a membrane electrode assembly (4), which is arranged between the two bipolar plates (2, 3) arranged plane-parallel to one another, an anode flow field (F1) being formed between the first bipolar plate (2) and the membrane electrode assembly (4) and a cathode flow field (F1) being formed between the second bipolar plate (3) and the membrane electrode assembly (4) by channel structures respectively with anode channels (K1) and cathode channels (K2) introduced respectively into the first bipolar plate (2) and the second bipolar plate (3), and the membrane electrode assembly (4) comprising at least one opening (8), which introduces some of the anode waste gas from the flow outlet side of the anode flow field (F1) into a cathode gas on the flow inlet side of the cathode flow field (F2). According to the invention at least one sequence element (9) is arranged in the region of the opening (8) and controls discharge of some of the anode waste gas into the cathode gas.
    • 本发明涉及燃料电池(1),特别是用于布置在燃料电池堆中,具有第一双极板(2)和第二双极板(3),并具有膜电极组件(4) 在平行于彼此平行布置的两个双极板(2,3)之间,在第一双极板(2)和膜电极组件(4)之间形成阳极流场(F1)和阴极流场(F1 )分别通过分别引入到第一双极板(2)和第二双极板(2)中的阳极通道(K1)和阴极通道(K2)的通道结构形成在第二双极板(3)和膜电极组件(4) (3),并且所述膜电极组件(4)包括至少一个开口(8),所述至少一个开口(8)将一些阳极废气从阳极流场(F1)的流出口侧引入到流入口 侧的阴极流场(F2)。 根据本发明,至少一个顺序元件(9)布置在开口(8)的区域中,并且控制一些阳极废气进入阴极气体的排放。