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    • 1. 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。
    • 8. 发明申请
    • FUEL CIRCUIT FOR A FUEL CELL SYSTEM, AND METHOD FOR ITS OPERATION
    • 燃料电池系统的燃料电路及其运行方法
    • WO2008148486A1
    • 2008-12-11
    • PCT/EP2008/004227
    • 2008-05-28
    • DAIMLER AGFORD GLOBAL TECHNOLOGIES, LLCHEIDRICH, Hans-Jörg
    • HEIDRICH, Hans-Jörg
    • H01M8/04
    • H01M8/04089H01M8/04231
    • The invention relates to a fuel circuit for a fuel cell system, comprising a fuel cell unit (4) which produces electrical energy by being fed with fuel and an oxidant; a fuel supply line (5) for supplying fuel to the fuel cell unit (4); an ejector (2) arranged in the fuel supply line (5); an anode feedback line (6) which connects the anode outlet (4B) to the fuel supply line (5) and branches into a first line element (6A), which leads to the ejector (2), and into a second line element (6B), which opens into the fuel supply line (5) between the ejector (2) and the fuel cell unit (4), with the two line elements (6A, 6B) together having at least one first and one second valve (8A, 8B), wherein a control unit is provided and operates the two valves (8A, 8B) such that one and only one of the two valves (8A, 8B) is ever open, and the other is in each case closed.
    • 本发明涉及一种用于燃料电池系统的燃料电路,包括燃料电池单元(4),其通过馈送燃料和氧化剂产生电能; 用于向燃料电池单元(4)供应燃料的燃料供应管线(5); 布置在燃料供应管线(5)中的喷射器(2); 阳极反馈线(6),其将阳极出口(4B)连接到燃料供应管线(5)并且分支成通向喷射器(2)的第一线路元件(6A),并且进入第二线路元件 6B),其在喷射器(2)和燃料电池单元(4)之间通向燃料供应管线(5),两个线路元件(6A,6B)一起具有至少一个第一和第二阀(8A ,8B),其中设置有控制单元并且操作所述两个阀(8A,8B),使得所述两个阀(8A,8B)中的一个阀和所述阀(8A,8B)中的一个永久地打开,并且另一个在每个情况下都关闭。