Compositions for use as catalysts in electrochemical reactions are described. The compositions are alloys prepared from two or more elemental... Show moreCompositions for use as catalysts in electrochemical reactions are described. The compositions are alloys prepared from two or more elemental metals selected from platinum, molybdenum, osmium, ruthenium, rhodium, and iridium. Also described are electrode compositions including such alloys and electrochemical reaction devices including such catalysts. Sponsorship: Penn State Research Foundation Sponsorship: Illinois Institute of Technology United States Patent Show less