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AssigneesNational Institute of Advanced Industrial Science and Technology, Nippon Kagaku Yakin Co., Ltd.
InventorsNaoko Fujiwara, Kazuaki Yasuda, Atsushi Ueda, Yoshinori Miyazaki, Tsutomu Tanimitsu, Yukino Shiozaki
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Disclosed are a method for producing an anode catalyst for a polymer electrolyte fuel cell, comprising a first supporting step of adhering at least one element selected from the group consisting of the elements of group 4, elements of group 5 and elements of group 6 of the periodic table to a conductive support, and subsequently conducting a heat treatment in a non-oxidizing atmosphere, and a second supporting step of adhering platinum and ruthenium on the support obtained in the first supporting step, and subsequently conducting a heat treatment in a non-oxidizing atmosphere; and an anode catalyst for a polymer electrolyte fuel cell obtainable in accordance with this method, the catalyst comprising catalytic metal components supported in a highly dispersed manner on a conductive support. The catalyst provided in accordance with the present invention exhibits excellent performance as an anode catalyst for a polymer electrolyte fuel cell, and more particularly, excellent carbon monoxide oxidation properties and alcohol oxidation properties.
A method for producing an anode catalyst for a polymer electrolyte fuel cell, comprising:
An anode catalyst for a polymer electrolyte fuel cell, comprising, as catalytic metal components, platinum, ruthenium and at least one element selected from the group consisting of the elements of group 4, elements of group 5 and elements of group 6 of the periodic table supported on a conductive support, wherein the specific surface area of the catalytic metal components is 60 to 350 m2/g.
Dependencies are inferred from the claim text.