Issue 41, 2011
From the journal:

Chemical Communications

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

Sung Jong Yoo,a   Soo-Kil Kim,a   Tae-Yeol Jeon,b   Seung Jun Hwang,a   June-Gunn Lee,c   Seung-Cheol Lee,c   Kug-Seung Lee,a   Yong-Hun Cho,d   Yung-Eun Sungb  and  Tae-Hoon Lim*a  

* Corresponding authors

a Fuel Cell Center, Korea Institute of Science and Technology, 39-1 Hawolgok-dong, Seoul 136-791, Korea
E-mail: thlim@kist.re.kr
Fax: +82-2-958-5119
Tel: +82-2-958-5201

b World Class University Program of Chemical Convergence for Energy & Environment, School of Chemical and Biological Engineering, Seoul National University, 56-1 Shinlimdong, Seoul 151-742, Korea

c Computational Science Center, Korea Institute of Science and Technology, 39-1 Hawolgok-dong, Seoul 136-791, Korea

d School of Advanced Materials Engineering, Kookmin University, 861-1 Jeongneung-dong, Seoul 136-702, Korea

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.

Graphical abstract: Enhanced stability and activity of Pt–Y alloy catalysts for electrocatalytic oxygen reduction

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Article information

DOI
https://doi.org/10.1039/C1CC12448J
Article type
Communication
Submitted
27 Apr 2011
Accepted
19 May 2011
First published
31 May 2011

Chem. Commun., 2011,47, 11414-11416

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

S. Jong Yoo, S. Kim, T. Jeon, S. Jun Hwang, J. Lee, S. Lee, K. Lee, Y. Cho, Y. Sung and T. Lim, Chem. Commun., 2011, 47, 11414 DOI: 10.1039/C1CC12448J

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