| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a membrane electrode assembly improving durability by forming an overcoat layer at an element constituting a fuel cell. <P>SOLUTION: This fuel cell substrate 16 has an overcoat including an ionomer modified to include at least one kind of a cerium or manganese group. In a method of manufacturing and using the fuel cell substrate 16, the substrate comprises at least one of a transfer backing, a polyelectrolyte membrane, a gas diffusion medium layer, a microporous layer, a catalyst coated membrane, a catalyst coated gas diffusion medium or an electrode 12 including a catalyst. <P>COPYRIGHT: (C)2008,JPO&INPIT |
