| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an electrode body capable of effectively suppressing/preventing carbon corrosion and enhancing electrode catalytic activity. <P>SOLUTION: In an electrode catalyst containing a catalyst component and a conductive material, the catalyst component contains at least Pt, the ratio of the primary particle diameter of the conductive material and the average particle diameter of the catalyst component is 0.1-1, and the iodine adsorption number per N<SB>2</SB>-BET surface area of the conductive material is 1.3 mg/m<SP>2</SP>or less. <P>COPYRIGHT: (C)2008,JPO&INPIT |
