| 摘要 |
PROBLEM TO BE SOLVED: To provide an electrode for solid high polymer fuel cells, which can form a catalyst layer, which has the vacancy structure of high power-generating efficiency, without adding a complicated process. SOLUTION: It has the catalyst layer, which consists of a catalyst substance, an ion conductivity substance, an electronic conductivity substance, and a hole making agent, and vacancy volume of diameters of 60 to 1000 nm in the above catalyst layer is set to 0.15 to 0.25 cm<3> /g. |
