Advanced dual-gradient carbon nanofibers/graphite felt composite electrode for the next-generation vanadium flow battery

doi:10.1016/j.jmst.2022.06.051

IMR OpenIR

	Advanced dual-gradient carbon nanofibers/graphite felt composite electrode for the next-generation vanadium flow battery
	Xu, Zeyu 1,2; Jing, Minghua 1; Liu, Jianguo 1; Yan, Chuanwei 1; Fan, Xinzhuang 1
通讯作者	Fan, Xinzhuang(mexzfan@gmail.com)
	2023-02-10
发表期刊	JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN	1005-0302
卷号	136 页码:32-42
摘要	Vanadium flow battery (VFB) is one of the most promising energy storage technologies because of its superior safety, reliability and cycle life, but the poor electrochemical performance at high cur-rent density limits its commercial application. Herein, an advanced design of the dual-gradient carbon nanofibers/graphite felt (DG-CNFs/GF) composite electrode is firstly proposed for the next-generation VFB with high power density. Specifically, there is a macro gradient distribution of CNFs along the thickness direction of the electrode, meanwhile a micro gradient distribution of CNFs is also existed along the ra-dial direction of a single fiber, and both the macro and micro gradient structure are verified through the physicochemical characterizations. In addition, the DG-CNFs/GF with a dual-gradient structure exhibits an excellent electrocatalytic activity and a fast mass transfer characteristic. It is worth noting that the energy conversion efficiencies, cycling stability in addition to power density of VFB with DG-CNFs/GF are much better than those with commercial GF, which make the dual-gradient DG-CNFs/GF to be a promis-ing alternative. Most importantly, the accomplishment of this work will provide a promising development direction of the highly efficient electrode for the next-generation VFB with high power density. (c) 2022 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
关键词	Vanadium flow battery Dual -gradient electrode Carbon nanofibers Conductivity Electrocatalytic activity Battery performance
资助者	National Natural Science Foundation of China Youth Fund ; Open project of State Key Laboratory of Heavy Oil Processing in China University of Petroleum
DOI	10.1016/j.jmst.2022.06.051
收录类别	SCI
语种	英语
资助项目	National Natural Science Foundation of China Youth Fund[21703263] ; Open project of State Key Laboratory of Heavy Oil Processing in China University of Petroleum[Y7F1911191]
WOS研究方向	Materials Science ; Metallurgy & Metallurgical Engineering
WOS类目	Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS记录号	WOS:000859469400004
出版者	JOURNAL MATER SCI TECHNOL
引用统计	被引频次：22[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/321006/175644
专题	中国科学院金属研究所
通讯作者	Fan, Xinzhuang
作者单位	1.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China 2.Univ Sci & Technol China, Sch Mat Sci & Engn, Hefei 230026, Peoples R China
推荐引用方式 GB/T 7714	Xu, Zeyu,Jing, Minghua,Liu, Jianguo,et al. Advanced dual-gradient carbon nanofibers/graphite felt composite electrode for the next-generation vanadium flow battery[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2023,136:32-42.
APA	Xu, Zeyu,Jing, Minghua,Liu, Jianguo,Yan, Chuanwei,&Fan, Xinzhuang.(2023).Advanced dual-gradient carbon nanofibers/graphite felt composite electrode for the next-generation vanadium flow battery.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,136,32-42.
MLA	Xu, Zeyu,et al."Advanced dual-gradient carbon nanofibers/graphite felt composite electrode for the next-generation vanadium flow battery".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 136(2023):32-42.