| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an electrode body capable of effectively suppressing/preventing the elution of Pt which is a catalyst component, and enhancing electrode catalytic activity. <P>SOLUTION: In an electrode catalyst containing the catalyst component and a carbon-containing conductive material, the catalyst component contains at least Pt, and the difference between the N<SB>2</SB>-BET specific surface area and the CTAB adsorption specific surface area of the carbon-containing conductive material is 100 m<SP>2</SP>/g or less. <P>COPYRIGHT: (C)2008,JPO&INPIT |
