期刊
ELECTROCHEMISTRY COMMUNICATIONS
卷 9, 期 5, 页码 997-1001出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.elecom.2006.12.003
关键词
fuel cells; carbon microspheres; palladium; alcohol electrooxidation
Noble metal (Pt, Pd) electrocatalysts supported on carbon microspheres (CMS) are used for methanol and ethanol oxidation in alkaline media. The results show that noble metal electrocatalysts supported on carbon microspheres give better performance than that supported on carbon black. It is well known that palladium is not a good electrocatalyst for methanol oxidation, but it shows excellently higher activity and better steady-state electrolysis than Pt for ethanol electrooxidation in alkaline media. The results show a synergistic effect by the interaction between Pd and carbon microspheres. The Pd supported on carbon microspheres in this paper possesses excellent electrocatalytic properties and may be of great potential in direct ethanol fuel cells. (c) 2006 Elsevier B.V. All rights reserved.
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