期刊
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷 37, 期 19, 页码 14085-14093出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2012.04.084
关键词
Graphene; Poly(3,4-ethylenedioxythiophene); Pt nanoparticles; Ethanol electrooxidation; Electrocatalytic stability
资金
- National Natural Science Foundation of China [51073114, 20933007, 51073074, 50963002, 2010GZH0041]
- Jiangxi Provincial Department of Education [GJJ11590, GJJ10678]
- Chinese Academy of Sciences [1029471301]
- Xinjiang Key Laboratory of Electronic Information Materials and Devices [XJYS0901-2010-01]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
Layered electrochemically reduced graphene oxide (ER-GO) sheets incorporated with poly(3,4-ethylenedioxythiophene) (PEDOT) have been fabricated as an efficient support for Pt nanoparticles on a glassy carbon (GC) electrode. The as-prepared Pt-loaded PEDOT/ER-GO composite electrode exhibits not only the high mass peak current density (390 A g(-1)) but also the good long-term catalytic stability toward the ethanol electrooxidation. The Pt/PEDOT/ER-GO also shows stronger tolerance to poisoning species compared with the commercial JM 20% Pt/C electrode. The high electrocatalytic activity of Pt/PEDOT/ER-GO is mainly described to the good electrochemical activity of PEDOT/ER-GO composites and the well-dispersed Pt nanoparticles resulting in the large electrochemical active surface area of Pt (47.1 m(2) g(-1)). Copyright (C) 2012, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
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