This work was supported by the Department of Energy (Lab04-20) and by a TcSUH seed grant. Acknowledgement is also made to the Donors of the American Chemical Society Petroleum Research Fund for partial support of this research (grant no. 44165).
1521-3773/asset/2002_left.gif?v=1&s=ac6b0d94a94d7ce7a210002b8096b42feffc0bcf)
1521-3773/asset/2002_right.gif?v=1&s=451042aa3415ae3ad0729984d26dee1866aca82e)
Communication
Efficient Oxygen Reduction Fuel Cell Electrocatalysis on Voltammetrically Dealloyed Pt–Cu–Co Nanoparticles†
Article first published online: 24 SEP 2007
DOI: 10.1002/anie.200703331
Copyright © 2007 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
Additional Information
How to Cite
Srivastava, R., Mani, P., Hahn, N. and Strasser, P. (2007), Efficient Oxygen Reduction Fuel Cell Electrocatalysis on Voltammetrically Dealloyed Pt–Cu–Co Nanoparticles. Angewandte Chemie International Edition, 46: 8988–8991. doi: 10.1002/anie.200703331
- †
Publication History
- Issue published online: 23 NOV 2007
- Article first published online: 24 SEP 2007
- Manuscript Received: 24 JUL 2007
Funded by
- Department of Energy
- American Chemical Society Petroleum Research Fund. Grant Number: 44165
Keywords:
- electrochemistry;
- energy conversion;
- intermetallic phases;
- nanostructures;
- voltammetry
Graphical Abstract
Getting rid of copper: A class of ternary Pt–Cu–Co electrocatalysts for the reduction of oxygen in polymer electrolyte membrane fuel cells shows unprecedented activity improvements over state-of-the-art Pt catalysts. The active phase of the catalysts is synthesized by selective electrochemical dissolution (dealloying, see picture) of Cu-rich alloy-particle precursors, resulting in Pt-enriched core–shell particles.