| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method of manufacturing an electrode catalyst layer, which is excellent in proton conductivity and gas diffusiveness, and to provide a membrane-electrode assembly having the electrode catalyst layer. <P>SOLUTION: A method of manufacturing an electrode catalyst layer for a fuel cell, by which an electrode catalyst layer is formed using catalyst ink containing carbon carrying a catalyst, dispersing solvent and polymer electrolyte, is characterized in that the polymer electrolyte in the dispersing solvent is an aggregate having its average particle diameter of no less than 1 μm and no more than 5 μm. <P>COPYRIGHT: (C)2011,JPO&INPIT |
