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US 6,875,537 B2Granted
Membrane electrode assembly for polymer electrolyte fuel cell
AssigneeHonda Giken Kogyo Kabushiki Kaisha
InventorsMasaki Tani, Kaoru Fukuda, Chikara Iwasawa, Shigeru Inai
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Abstract
A membrane electrode assembly for polymer electrolyte fuel cells comprises a cathode electrode, an anode electrode, and a polymer electrolyte membrane placed between these electrodes, and a catalyst material of Pt—Ru alloy is contained in the anode and the crystal of Pt—Ru alloy is mainly of a face-centered cubic structure.
Claims4
A membrane electrode assembly for polymer electrolyte fuel cells, comprising:
- a cathode electrode;
- an anode electrode;
- and
- a polymer electrolyte membrane placed between these electrodes;
- wherein a catalyst material of Pt—Ru alloy is contained in the anode, the crystal of Pt—Ru alloy mainly has a face-centered cubic structure and the ratio of the face-centered cubic structure to hexagonal closest packed structure in the Pt—Ru alloy is more than 80%.
2 more elements
Dependencies are inferred from the claim text.