Journal
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
Volume 41, Issue 5, Pages 3436-3445Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2015.12.192
Keywords
Non-precious-metal catalyst; Oxygen reduction reaction; (N, F)-co-doped TiO2; Reduced graphene oxide
Categories
Funding
- National Natural Science Foundation of China [51376110, 51302022]
- Natural Science Foundation of Shandong Province [ZR2012BQ027, ZR2015EM044]
- program for Youth Science and Technology Star Fund of Jinan [20120123, 2015GSF116005]
- Excellent Young Scientist Foundation of Shandong Province [BS2011CL005]
- Science Development Project of Shandong Province [2014GGX104004]
- Doctoral Program of Higher Education of China [2013013110006]
- Major International (Regional) Joint Research Project of the National Natural Science Foundation of China [61320106011]
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To overcome the shortcomings of high cost and rare sources of precious metal based catalysts, the catalytic characteristics of reduced graphene oxide (rGO) supported (N, F)-co doped TiO2 hybrid (TiO2/rGO) for oxygen reduction are investigated. Results show that the onset potential of oxygen reduction reaction (ORR) under the catalysis of TiO2/rGO is about -0.20 V (vs. Hg/Hg2Cl2). The corresponding electron transfer number of ORR is 3.98, which means that the ORR is major happened through a 4-electron process. TiO2/rGO catalyst has high catalytic for ORR and better stability than the commercial Pt/C catalytic performance in alkaline electrolyte. TiO2/rGO catalyst shows great promise as a high activity non precious metal catalyst for ORR. Copyright (C) 2016, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
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