期刊
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷 41, 期 26, 页码 11359-11368出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2016.04.133
关键词
Polyol method; Core-shell; PtRu catalyst; Microwave-assisted; Alcohol oxidation
资金
- National Natural Science Foundation of China [21107089, 21376194]
- Priority Areas of Development in Doctoral Program of Higher Education [20130121130006]
Carbon suPtRupported PtRu core-shell catalyst is prepared by a facile and efficient method, in which the Ru nanoparticles are prepared with microwave-assisted method followed by in situ reduction of Pt on Ru nanoparticles forming the PtRu core-shell structure. The catalyst is characterized by energy-dispersive X-ray spectroscope (EDX) analyzer attached to scanning electron microscope (SEM), transmission electron microscope (TEM), X-ray photoelectron spectroscopy (XPS) and electrochemical measurements. The TEM results show that the synthesized PtRu/C catalysts have small particle size and narrow size distribution. The PtRu/C catalyst shows higher electrochemical performance toward ethanol oxidation reaction (EOR) compared with methanol oxidation reaction (MOR). Notably, the PtRu/C catalysts exhibit higher mass activity and stability than that of the commercial PtRu/C (JM) catalyst for ethanol electrooxidation. (c) 2016 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
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