Design and synthesis of a free-standing carbon nano-fibrous web electrode with ultra large pores for high-performance vanadium flow batteries

	Design and synthesis of a free-standing carbon nano-fibrous web electrode with ultra large pores for high-performance vanadium flow batteries
	Liu, Tao 3; Xu, Chi 2,3; Li, Xianfeng 1,3; Zhang, Huamin 1,3
刊名	RSC ADVANCES
	2017
卷号	7 期号:73 页码:45932-45937
英文摘要	To improve the transport of active species in the carbon nano-fibrous electrodes of a vanadium flow battery (VFB), a free-standing carbon nano-fibrous web with ultra large pores has been designed and fabricated through the horizontally-opposed blending electrospinning method in this study. The morphology, surface chemistry and electrochemical performances of the highly porous nano-fibrous web have been investigated and compared with the carbon nano-fibrous web prepared by traditional electrospinning. Benefiting from the much larger pore size and higher porosity of the carbon nano-fibrous web prepared by horizontally-opposed blending electrospinning, the concentration polarization of the vanadium flow battery is effectively reduced. As indicated by the single cell tests, the battery using horizontally-opposed blending electrospun carbon nano-fibrous web electrodes delivers much improved performance, especially at high current density. The voltage efficiency is 10.3% higher than that of the traditional electrospun carbon nano-fibrous web electrodes and the electrolyte utilization efficiency is twice as much as that of the traditional electrospun carbon nano-fibrous web electrodes at 60 mA cm(-2). The results suggest that expanding the pore size could be one effective strategy to facilitate carbon nano-fibrous materials' applications for VRBs, and that the horizontally-opposed blending electrospun carbon nano-fibrous web is a promising electrode candidate for VFBs.
WOS标题词	Science & Technology ; Physical Sciences
类目[WOS]	Chemistry, Multidisciplinary
研究领域[WOS]	Chemistry
关键词[WOS]	RESEARCH-AND-DEVELOPMENT ; ENERGY-STORAGE ; REACTION CATALYST ; NANOFIBERS ; PROGRESS ; MN3O4 ; ELECTROCATALYST ; CHALLENGES ; NANOTUBES ; DENSITY
收录类别	SCI
语种	英语
WOS记录号	WOS:000412211300006
内容类型	期刊论文
源URL	[http://cas-ir.dicp.ac.cn/handle/321008/150191]
专题	大连化学物理研究所_中国科学院大连化学物理研究所
作者单位	1.Collaborat Innovat Ctr Chem Energy Mat IChEM, Dalian 116023, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China 3.Chinese Acad Sci, Div Energy Storage, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
推荐引用方式 GB/T 7714	Liu, Tao,Xu, Chi,Li, Xianfeng,et al. Design and synthesis of a free-standing carbon nano-fibrous web electrode with ultra large pores for high-performance vanadium flow batteries[J]. RSC ADVANCES,2017,7(73):45932-45937.
APA	Liu, Tao,Xu, Chi,Li, Xianfeng,&Zhang, Huamin.(2017).Design and synthesis of a free-standing carbon nano-fibrous web electrode with ultra large pores for high-performance vanadium flow batteries.RSC ADVANCES,7(73),45932-45937.
MLA	Liu, Tao,et al."Design and synthesis of a free-standing carbon nano-fibrous web electrode with ultra large pores for high-performance vanadium flow batteries".RSC ADVANCES 7.73(2017):45932-45937.