期刊
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷 34, 期 23, 页码 9316-9323出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2009.09.059
关键词
Poly(5-nitroindole); Composite catalyst; Platinum nanoparticles; Electrocatalytic oxidation; Alkaline medium
资金
- Ministry of Education, China [NSFC50663001, 20933007, 20673075, 2007-207058]
- Natural Science Foundation of Jiangxi province [2007GZH1091]
- Jiangxi Provincial Department of Education [GJJ08369]
- Soochow University
A novel composite catalyst, Pt nanoparticles supported on poly(5-nitroindole) (Pt/PNI), has been successfully prepared by the electrochemical method and used for the electrooxidation of methanol in alkaline media. As-prepared Pt/PNI was characterized by SEM, EDX and electrochemical methods. The results of the catalytic activity for methanol oxidation showed that Pt/PNI had higher catalytic activity and stronger poisoning-tolerance than Pt/Pt, Pt/GC and the common Pt electrode. The effects of different parameters related to the methanol oxidation reaction kinetics, such as Pt loading, mass of PNI film, concentration of methanol and KOH, potential scan rate, have also been investigated. The present study showed a promising choice of Pt/PNI as composite catalyst for methanol electrooxidation in alkaline medium. (C) 2009 Professor T Nejat Veziroglu. Published by Elsevier Ltd. All rights reserved.
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