Pt-Ru-M1-M2 quaternary metal catalyst based on Pt-Ru for direct methanol fuel cell
AssigneeSamsung Electronics Co., Ltd.
InventorsKyoung Hwan Choi, Seol-Ah Lee, Yung-Eun Sung, Kyung-Won Park, Jong-Ho Choi
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Abstract
Provided is a Pt—Ru based quaternary metal anode catalyst for a direct methanol fuel cell (DMFC). The Pt—Ru based quaternary metal anode catalyst has high activity to methanol oxidation and strong resistance to catalyst poisoning due to carbon monoxide (CO), which is a byproduct of the methanol oxidation. Therefore, the Pt—Ru based quaternary metal anode catalyst can give high power density and can replace existing commercial catalysts
Claims11
A quaternary metal catalyst for a fuel cell comprising platinum (Pt), ruthenium (Ru), M1 and M2, wherein M1 and M2 are different metals selected from the group consisting of rhodium (Rh), nickel (Ni) and osmium (Os).
A fuel cell electrode comprising a quaternary metal catalyst, the quaternary metal catalyst comprising platinum (Pt), ruthenium (Ru), M1 and M2, wherein M1 and M2 are different metals selected from the group consisting of rhodium (Rh), nickel (Ni) and osmium (Os).
Dependencies are inferred from the claim text.