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    • 5. 发明申请
    • MEMBRANE-ELECTRODE UNIT AND FUEL ELEMENTS WITH INCREASED SERVICE LIFE
    • 延长了寿命的膜电极单元和燃料电池
    • WO2006015806A3
    • 2006-08-17
    • PCT/EP2005008487
    • 2005-08-05
    • PEMEAS GMBHPAWLIK JUERGENUENSAL OEMERSCHMIDT THOMASPADBERG CHRISTOPHHOPPES GLEN
    • PAWLIK JUERGENUENSAL OEMERSCHMIDT THOMASPADBERG CHRISTOPHHOPPES GLEN
    • H01M8/02H01M8/10
    • H01M8/0271H01M4/8605H01M8/1007H01M8/1027H01M8/103H01M8/1048
    • The invention relates to a membrane-electrode unit comprising a) two electrochemically active electrodes (1, 3) divided by a polymer electrolytic membrane (5), wherein the surfaces of said polymer electrolytic membrane (5) are in contact with the electrodes (1, 3) in such a way that the first electrode (1) partially or entirely covers the front side of the polymer electrolytic membrane (5) and the second electrode (3) partially or entirely covers the rear side thereof, b) a sealing material (7, 9) is applied to the front and rear sides of the polymer electrolytic membrane (5), wherein the polymer electrolytic membrane (5) is provided with one or several recesses (11) and the sealing material (7) applied to the front side of the polymer electrolytic membrane (5) is in contact with the sealing material (9) applied to the rear side thereof. A method for producing said membrane-electrode unit and fuel cells provided therewith are also disclosed.
    • 本发明涉及一种包含膜电极组件的)两个电化学活性电极(1,3),它们由聚合物电解质膜(5),分离,其中,所述高分子电解质膜(5)以这样的方式表面 与电极(1,3)相接触,使得第一电极(1)的聚合物电解质膜(5)和第二电极的前侧(3)高分子电解质膜的背面侧(5)的每个部分 或完全覆盖,b)中的密封材料(7,9)上的前部和高分子电解质膜(5)的背面,其中,所述高分子电解质膜(5)和一个或多个凹槽(11),密封材料 (7)是在所述高分子电解质膜(5)的与所述高分子电解质膜(5)的背面侧的密封材料(9)的前侧接触。 此外,本发明涉及用于制备膜 - 电极组件和具有这种膜电极组件的燃料电池