期刊
JOURNAL OF POWER SOURCES
卷 219, 期 -, 页码 106-111出版社
ELSEVIER
DOI: 10.1016/j.jpowsour.2012.07.032
关键词
Catalysts; Electrooxidation; Formic acid; Palladium-cobalt; Tungsten carbide
资金
- Danish National Research Foundation
- Nature Science Foundation of China through Danish-Chinese Centre for Proton Conducting Systems [21011130027]
- National Natural Science Foundation of China [21073180, 20933004]
- 973 Program [2012CB215500]
- 863 program [SS2012AA053401]
Tungsten carbide (WC) promoted palladium (Pd) and palladium-cobalt (Pd-Co) nanocatalysts are prepared and characterized for formic acid electrooxidation. The WC as the dopant to carbon supports is found to enhance the CO tolerance and promote the activity of the Pd-based catalysts for formic acid oxidation. Alloying of Pd with Co further improves the electrocatalytic activity and stability of the WC supported catalysts, attributable to a synergistic effect of the carbide support and PdCo alloy nanoparticles. (C) 2012 Elsevier B.V. All rights reserved.
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