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    • 1. 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
    • 5. 发明申请
    • LONG-LIFE MEMBRANE ELECTRODE ASSEMBLIES
    • 长寿命膜电极组件
    • WO2006013108A3
    • 2006-12-07
    • PCT/EP2005008488
    • 2005-08-05
    • PEMEAS GMBHHOPPES GLENPUFFER RAYMOND
    • HOPPES GLENPUFFER RAYMOND
    • H01M8/02H01M8/10H01M8/24
    • H01M8/1004H01M8/0273H01M8/0276H01M8/0284H01M8/0286H01M8/1007H01M8/1027H01M8/103H01M8/1032H01M8/1048H01M8/1072H01M8/1081H01M8/109H01M8/242H01M2300/0082Y02P70/56Y10T156/10
    • The present invention relates to a membrane electrode assembly comprising a) two electrochemically active electrodes (1, 3) separated by a polymer electrolyte membrane (5) wherein the surfaces of the polymer electrolyte membrane (5) are in contact with the electrodes (1, 3) in such a way that the first electrode (1) partially or totally covers the front of the polymer electrolyte membrane (5) and the second electrode (3) partially or totally covers the back of the polymer electrolyte membrane (5); b) two gasket layers (15, 17) made of a first gasket material wherein the first gasket layer (15) partially covers the front of the polymer electrolyte membrane (5) and/or the first electrode (1) and the second gasket layer (17) partially covers the back of the polymer electrolyte membrane (5) and/or the second electrode (3); wherein the membrane electrode assembly also comprises a second gasket material (7, 9) on the front of the first gasket layer (15) and on the back of the second gasket layer (17); each of the gasket layers (15, 17) comprises at least one recess (11, 12); the second gasket material (7) on the front of first gasket layer (15) is in contact with the second gasket material (9) on the back of the second gasket layer (17). The present membrane electrode assemblies may be used in particular for producing fuel cells which have a particularly high long-term stability.
    • 本发明涉及一种膜电极组件,包括:a)由聚合物电解质膜(5)隔开的两个电化学活性电极(1,3),其中聚合物电解质膜(5)的表面与电极(1, 3),使得所述第一电极(1)部分或全部覆盖所述聚合物电解质膜(5)的前部,并且所述第二电极(3)部分或全部覆盖所述聚合物电解质膜(5)的背面; b)由第一垫圈材料制成的两个垫圈层(15,17),其中第一垫圈层(15)部分地覆盖聚合物电解质膜(5)和/或第一电极(1)的前部,并且第二垫圈层 (17)部分地覆盖所述聚合物电解质膜(5)和/或所述第二电极(3)的背面; 其中所述膜电极组件还包括在所述第一垫圈层(15)的前部和所述第二垫圈层(17)的背面上的第二垫圈材料(7,9); 每个垫圈层(15,17)包括至少一个凹槽(11,12);其中, 位于第一垫圈层(15)前方的第二垫圈材料(7)与位于第二垫圈层(17)背面的第二垫圈材料(9)接触。 本发明的膜电极组件尤其可以用于制造具有特别高的长期稳定性的燃料电池。