| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a solid polymer type fuel cell provided with a membrane/electrode jointed body in which a jointing strength of a catalyst layer and a cation exchange membrane is increased and an initial performance of the fuel cell is improved and its durability performance is improved as well when the cell is operated continuously. <P>SOLUTION: In the manufacturing method of the cation exchange membrane/catalyst layer jointed body for the solid polymer type fuel cell in which a catalyst layer containing catalyst metal, carbon and ionomer and a cation exchange membrane are pressure-welded, a water content of the above ionomer and the above cation exchange membrane is 25 mass% or more. Moreover, a whole of the catalyst layer and the cation exchange membrane are covered by a sheet and pressure-welded. <P>COPYRIGHT: (C)2007,JPO&INPIT |
