| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide the manufacturing method of a PtRU catalyst having a particle diameter of less than 5 nm. <P>SOLUTION: The manufacturing method of the catalyst for a fuel electrode in a fuel cell having at least the fuel electrode, an oxygen electrode, and a solid polymer electrolyte membrane interposed between the fuel electrode and the oxygen electrode comprises (1) a step dispersing carbon base material in water, (2) a step dissolving a Pt supply source, an Ru supply source, and a P supply source in the carbon base material dispersed water obtained in the step (2), (3) a step adjusting a pH value of the aqueous solution obtained in the step (2) to the alkali side, and (4) a step heating the pH adjusted aqueous solution, and conducting the chemical reduction deposition of catalyst fine particles 1 containing Pt, Ru, and P on the carbon base material 3. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
