| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a fuel cell having a Pt catalyst that has a particle diameter of less than 5 nm at an oxygen electrode. <P>SOLUTION: In the fuel cell, having at least a fuel electrode, an oxygen electrode, and a solid polyelectrolyte film interposed between the fuel electrode and the oxygen electrode, the oxygen electrode contains catalyst in which two-dimensional system fine particles, expressed by general Formula PtP (in the Formula, composition of P is 2 to 50 at.%), are carried to a carbon nanotube. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
