Journal
ELECTROCHIMICA ACTA
Volume 56, Issue 5, Pages 2541-2545Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2010.11.061
Keywords
Fuel Cells; Ceria; DMFC; Electrocatalysis
Categories
Funding
- University of Central Florida's Office of Research, the Department of Chemistry and the Nanoscience Technology Center
- NSF [CBET 0708172, CBET 0930170]
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Nanocrystalline Pt/CeO2 composite electrodes were fabricated to study the electrochemical oxidation of methanol and ethanol. The performance of the electrodes was tested as the ceria solutions aged over time. It was observed that the performance oscillated with time, suggesting that the catalytic behavior towards alcohol oxidation was greatly dependent on the aging of the particles. These results point to a great dependence of the catalytic effect on the redox state of the ceria particles. (C) 2010 Elsevier Ltd. All rights reserved.
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