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FILM-ELECTRODE ASSEMBLY, FILM-ELECTRODE GAS DIFFUSION LAYER ASSEMBLY HAVING THE SAME, SOLID STATE POLYMER FUEL CELL, AND FILM-ELECTRODE ASSEMBLY MANUFACTURING METHOD
FILM-ELECTRODE ASSEMBLY, FILM-ELECTRODE GAS DIFFUSION LAYER ASSEMBLY HAVING THE SAME, SOLID STATE POLYMER FUEL CELL, AND FILM-ELECTRODE ASSEMBLY MANUFACTURING METHOD
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机译:具有相同的薄膜电极,固态气体扩散膜组件,固态高分子燃料电池以及薄膜电极的制造方法
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摘要
A film-electrode assembly (1) includes: an anode catalyst layer (20) and a cathode catalyst layer (30) which are arranged to oppose to each other; and a polymer electrolyte film (10) arranged between the anode catalyst layer (20) and the cathode catalyst layer (30). The anode catalyst layer (20) is formed by a plurality of ion exchange layers (20a, 20b) having different layer ion exchange capacities. Among the ion exchange layers (20a, 20b), the ion exchange layer A (20a) having the smallest layer ion exchange capacity is arranged nearer to the side of the polymer electrolyte film (10) than the ion exchange layer B (20b) having the largest layer ion exchange capacity. The ratio of the layer ion exchange capacity of the ion exchange layer A (20a) against that of the ion exchange layer B (20b) is 1.7 or above.
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