High methanol oxidation activity of electrocatalysts supported by directly grown nitrogen-containing carbon nanotubes on carbon cloth

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题名:	High methanol oxidation activity of electrocatalysts supported by directly grown nitrogen-containing carbon nanotubes on carbon cloth
作者:	Wang, Chen-Hao Shih, Han-Chang Tsai, Yu-Tai Du, He-Yun Chen, Li-Chyong Chen, Kuei-Hsien
贡献者:	材料所
关键词:	fuel cell carbon nanotubes methanol oxidation electrocatalysts nanocomposite
日期:	2006
上传时间:	2009-11-16 11:34:05 (UTC+8)
摘要:	The microstructure and electrochemical activity of the Pt-Ru supported by nitrogen-containing carbon nanotubes (CNx NTs) directly grown on the carbon cloth have been investigated. The CNx NTs directly grown on the carbon cloth (CNx NTs-carbon cloth composite electrode) were synthesized using microwave-plasma-enhanced chemical vapour deposition first and then use as the template to support the Pt-Ru nanoclusters subsequently sputtered on. The ferricyanide/ferrocyanide redox reaction in cyclic voltammetry (CV) measurements showed a faster electron transfer on the CNx NTs-carbon cloth composite electrode than the one with carbon cloth alone. Comparing their methanol oxidation abilities, it is found that the Pt-Ru nanoclusters supported by the CNx NTs-carbon cloth composite electrode have considerably higher electrocatalytic activity than the carbon cloth counterpart. This result suggests high performance of the CNx NTs-carbon cloth composite electrode, and demonstrates its suitability for direct methanol fuel cell applications. (c) 2006 Elsevier Ltd. All rights reserved.
關聯:	ELECTROCHIMICA ACTA Volume: 52 Issue: 4 Pages: 1612-1617
显示于类别:	[化學工程與材料工程學系暨碩士班] 期刊論文

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