Journal
CATALYSIS COMMUNICATIONS
Volume 22, Issue -, Pages 34-38Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.catcom.2012.02.013
Keywords
Direct methanol fuel cells; Methanol electrooxidation; Phosphorus-doped multiwalled carbon nanotube; Alkaline medium
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Funding
- Guangdong Provincial Science and Technology Project of China [2011B010400016]
- Guangdong Provincial Natural Science Foundation of China [9251064101020]
- China Postdoctoral Science Foundation [20110490878]
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Phosphorus-doped multiwalled carbon nanotubes (P-MCNTs) were synthesized by thermolysis and employed as the supports of platinum catalyst. It was found that Pt/P-MCNTs as an anode catalyst exhibited a much higher activity and better stability toward methanol electrooxidation than the Pt/MCNTs without phosphorus in alkaline medium, due to the higher Pt utilization ratio and Pt area-specific activity, the better electronic conductivity of P-MCNT support and the faster rate of charge transfer at the P-MCNTs/electrolyte interface, indicating a highly potential application of Pt/P-MCNTs as anode catalyst for methanol oxidation in alkaline DMFC. (C) 2012 Elsevier B.V. All rights reserved.
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