Single phase ternary Pt-Ru-Os catalysts for direct oxidation fuel cells
AssigneeIllinois Institute of Technology
InventorsEugene S. Smotkin, Kevin L. Ley, Cong Pu, Renxuan Liu
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Abstract
A catalyst composition for use in electrochemical reactor devices comprising platinum, ruthenium, and osmium and having a single phase crystal structure comprising a face centered cubic unit cell. In accordance with a particularly preferred embodiment, in atomic percentages, platinum comprises about 65% of the catalyst composition, ruthenium comprises about 25% of the catalyst composition, and osmium comprises about 10% of the catalyst composition.
Claims6
A catalyst composition for use in electrochemical reactor devices comprising:
- platinum (Pt), ruthenium (Ru), and osmium (Os) and having a single phase crystal structure comprising a face centered cubic unit cell.
In a direct oxidation fuel cell having an anode, a cathode and an electrolyte disposed between said anode and said cathode, the improvement comprising:
- said anode comprising a catalyst composition comprising platinum (Pt), ruthenium (Ru), and osmium (Os), said catalyst composition having a single phase crystal structure comprising a face centered cubic unit cell.
Dependencies are inferred from the claim text.