| 摘要 |
A catalyst comprises vapor-deposited, at least partially de-alloyed PtX<SUB>a</SUB>Al<SUB>b</SUB>, wherein X is Mo or W, a is at least 0.001 and b is at least 2.4(1+a). The catalyst is particularly useful as an electro-oxidation catalyst in a fuel cell and is preferred for use in a reformate fuel cell.
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