| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a membrane electrode assembly for solid polymer fuel cell improved in drainage and a solid polymer fuel cell using the membrane electrode assembly and having a stable power generation characteristics at a low cost. <P>SOLUTION: The membrane electrode assembly for solid polymer fuel cell composed of an electrolyte membrane, a catalyst layer, and a conductive porous gas diffusion layer is provided with a groove for circulating or storing fluid at the interface between the catalyst layer and the electrolyte membrane. <P>COPYRIGHT: (C)2008,JPO&INPIT |
