MANUFACTURING METHOD OF SOLID POLYMER ELECTROLYTE FUEL CELL

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PROBLEM TO BE SOLVED : To provide a manufacturing method of a solid polymer fuel cell capable of improving durability while maintaining power generation performance. SOLUTION : The manufacturing method of a solid polymer fuel cell is provide with a rare earth salt solution contact process in which a catalyst layer formed by coating and drying an ink containing a catalyst component and a cation exchange resin on a support body is contacted to a solution dissolving salt of a rare earth element in pressure reduced environment, a drying process in which the catalyst layer is dried after the rare earth salt solution contact process, and a thermo-compression bonding process in which the catalyst layer is thermocompression bonded on at least one side of the polymer electrolyte membrane. COPYRIGHT : (C)2008, JPO&INPIT