Journal
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
Volume 35, Issue 7, Pages 3125-3128Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2009.09.045
Keywords
Microwave-assisted polyol process; PtAuSn/C catalyst; Nanoparticles; Electrochemical properties; Direct ethanol fuel cell
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Carbon-supported PtAuSn/C nanoparticle catalyst was synthesized by a microwave-assisted polyol process. The process is a quick process that only requires a few minutes to complete. The catalyst thus obtained was characterized by transmission electron microscopy and X-ray diffraction analysis. The electrochemical performance of the catalyst, for the ethanol oxidation reaction, was also investigated. The results indicated that the PtAuSn/C catalyst was uniformly dispersed on carbon and was in the nano-size range. The electrochemical measurements indicated that PtAuSn/C nanoparticle catalyst synthesized by the microwave-assisted polyol method demonstrated a significantly higher electrochemically active area and higher catalytic activity than Pt/C for the ethanol oxidation reaction. (C) 2009 Published by Elsevier Ltd on behalf of Professor T. Nejat Veziroglu.
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