期刊
JOURNAL OF THE ENERGY INSTITUTE
卷 90, 期 5, 页码 725-733出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.joei.2016.07.005
关键词
Fuel cell; Alcohol; Glycerol; Electrooxidation; Gold
资金
- Natural Science Foundation of Guangdong Province [2014A030313521]
- Scientific Research Foundation for Yangcheng Scholar [1201561607]
- Science and Technology Program of Guangzhou [201510010112]
- Scientific Research Project of Guangzhou Municipal Colleges and Universities [2012A064]
- Guangzhou Innovative Research Team Program [13C16]
This study investigated Pt/C and Pd/C catalysts promoted by Au for glycerol electrooxidation in alkaline medium. The results show that addition of Au can significantly promote the catalytic activity and stability of Pt/C and Pd/C for glycerol electrooxidation. The catalysts with a weight ratio of 4:1 for Pt to Au and Pd to Au show the best performance for glycerol electrooxidation and the PtAu(wt 4:1)/C shows a better performance than the PdAu(wt 4:1)/C. Glycerol electrooxidation on the PdAu(wt 4:1)/C has a better stability than that on the Pt/C. The results show that the PdAu(wt 4:1)/C can give a better discharge performance than the Pt/C in a direct glycerol fuel cell. Electrooxidation of pre-adsorbed CO has been used to explain the results. (C) 2016 Energy Institute. Published by Elsevier Ltd. All rights reserved.
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