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Enhanced stability and activity of Pt-Y alloy catalysts for electrocatalytic oxygen reduction

Authors
Yoo, Sung Jong; Kim, Soo-Kil; Jeon, Tae-Yeol; Hwang, Seung Jun; Lee, June-Gunn; Lee, Seung-Cheol; Lee, Kug-Seung; Cho, Yong-Hun; Sung, Yung-Eun; Lim, Tae-Hoon
Issue Date
2011-11
Publisher
ROYAL SOC CHEMISTRY
Citation
CHEMICAL COMMUNICATIONS, v.47, no.41, pp.11414 - 11416
Abstract
We report Pt-based alloys with early transition metals. Significant electrocatalysis occurs during oxygen reduction reaction (ORR) at the Pt-Y alloy electrodes, and the extent depends on the alloy composition. The Pt-Y alloy electrode activity is related to the d-band center position, and the lattice strain and stability for oxygen reduction reaction.
Keywords
DENSITY-FUNCTIONAL THEORY; SURFACE-COMPOSITION; PLATINUM; TRENDS; METAL; ELECTROREDUCTION; DISSOLUTION; REACTIVITY; DENSITY-FUNCTIONAL THEORY; SURFACE-COMPOSITION; PLATINUM; TRENDS; METAL; ELECTROREDUCTION; DISSOLUTION; REACTIVITY; PEMFC; Oxygen Reduction Reaction; Pt-Y alloy; stability; simulation
ISSN
1359-7345
URI
https://pubs.kist.re.kr/handle/201004/129868
DOI
10.1039/c1cc12448j
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KIST Article > 2011
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