Journal
MATERIALS RESEARCH BULLETIN
Volume 47, Issue 6, Pages 1486-1493Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.materresbull.2012.02.025
Keywords
Composites; Nanostructures; Chemical synthesis; Electrochemical properties
Categories
Funding
- Fundamental Research Funds for the Central Universities [10FX011]
- National Basic Research Program of China [2011CB605700]
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In this study, we report a scalable, fast, and facile method for preparation of reduced graphene oxide (RGO) sheets supported Pt-Co electrocatalyst for methanol oxidation. Mixed reducing agents were used and the activity of the catalysts was studied. It was found that the presence of RGO leads to higher activity, which might be due to the increasing of electrochemically accessible surface areas and easier charge-transfer at the interfaces. Co can greatly enhance the electrocatalytic activity and moderate the poisoning of Pt catalyst. Under same Pt loading mass and experimental conditions, the RGO-Pt-Co catalyst shows the highest electro catalytic activity and improved resistance to carbon monoxide poisoning among the prepared catalysts. (C) 2012 Elsevier Ltd. All rights reserved.
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