Multi-walled carbon nanotubes used as an electrode reaction catalyst for VO2+/VO2+ for a vanadium redox flow battery

doi:10.1016/j.carbon.2011.04.045

IMR OpenIR

	Multi-walled carbon nanotubes used as an electrode reaction catalyst for VO2+/VO2+ for a vanadium redox flow battery
	Li, Wenyue; Liu, Jianguo; Yan, Chuanwei
通讯作者	Yan, Chuanwei(cwyan@imr.ac.cn)
	2011-09-01
发表期刊	CARBON
ISSN	0008-6223
卷号	49 期号:11 页码:3463-3470
摘要	Pristine multi-walled carbon nanotubes (MWCNTs), and those functionalized with hydroxyl groups, or carboxyl groups were used as electrode reaction catalyst for VO2+/VO2+ redox couples for vanadium redox flow battery. The structure, composition, electrochemical properties and battery performance were characterized with scanning electron microscopy, X-ray photoelectron spectroscopy, cyclic voltammetry and cell charge-discharge tests. The electrochemical activities of the redox couple are greatly increased over those of modified glassy carbon electrodes and the electrocatalytic kinetics of the redox reactions are in the order of carboxyl MWCNTs > hydroxyl MWCNTs > pristine MWCNTs. The peak currents of the redox reactions (63.8 and -51.1 mu A for oxidation and reduction processes, respectively) on the electrode modified by carboxyl MWCNTs are about three times those for the other electrodes. The battery exhibits excellent storage efficiency when the carboxyl MWCNTs were used as positive electrode reaction catalyst, suggesting the oxygen functional groups especially the carboxyl can significantly facilitate the VO2+/VO2+ redox reactions. (C) 2011 Elsevier Ltd. All rights reserved.
资助者	National Basic Research Program of China
DOI	10.1016/j.carbon.2011.04.045
收录类别	SCI
语种	英语
资助项目	National Basic Research Program of China[2010CB227203]
WOS研究方向	Chemistry ; Materials Science
WOS类目	Chemistry, Physical ; Materials Science, Multidisciplinary
WOS记录号	WOS:000292663400008
出版者	PERGAMON-ELSEVIER SCIENCE LTD
引用统计	被引频次：257[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/103536
专题	中国科学院金属研究所
通讯作者	Yan, Chuanwei
作者单位	Chinese Acad Sci, Inst Met Res, State Key Lab Corros & Protect, Shenyang 110016, Peoples R China
推荐引用方式 GB/T 7714	Li, Wenyue,Liu, Jianguo,Yan, Chuanwei. Multi-walled carbon nanotubes used as an electrode reaction catalyst for VO2+/VO2+ for a vanadium redox flow battery[J]. CARBON,2011,49(11):3463-3470.
APA	Li, Wenyue,Liu, Jianguo,&Yan, Chuanwei.(2011).Multi-walled carbon nanotubes used as an electrode reaction catalyst for VO2+/VO2+ for a vanadium redox flow battery.CARBON,49(11),3463-3470.
MLA	Li, Wenyue,et al."Multi-walled carbon nanotubes used as an electrode reaction catalyst for VO2+/VO2+ for a vanadium redox flow battery".CARBON 49.11(2011):3463-3470.