In-situ growth of vertically aligned nickel cobalt sulfide nanowires on carbon nanotube fibers for high capacitance all-solid-state asymmetric fiber-supercapacitors

doi:10.1016/j.jechem.2019.05.008

SIC OpenIR

	In-situ growth of vertically aligned nickel cobalt sulfide nanowires on carbon nanotube fibers for high capacitance all-solid-state asymmetric fiber-supercapacitors
	Liu, N; Pan, ZH; Ding, XY; Yang, J; Xu, GG; Li, LG; Wang, Q; Liu, MN; Zhang, YG
	2020-02-01
Source Publication	JOURNAL OF ENERGY CHEMISTRY
ISSN	2095-4956
Pages	209
Subtype	Article
Abstract	Fiber-supercapacitors (FSCs) are promising power sources for miniature portable and wearable electronic devices. However, the development and practical application of these FSCs have been severely hindered by their low volumetric capacitance and narrow operating voltage. In this work, vertically aligned nickel cobalt sulfide (NiCo2S4) nanowires grown on carbon nanotube (CNT) fibers were achieved through an in-situ two-step hydrothermal reaction method. The as-prepared NiCo2S4@CNT fiber electrode exhibits a high volumetric capacitance of 2332 F cm(-3), benefiting from its superior electric conductivity, large surface area, and rich Faradic redox reaction sites. Furthermore, a NiCo2S4@CNTIIVN@CNT (vanadium nitride nanosheets grown on CNT fibers) asymmetric fiber-supercapacitor (AFSC) was successfully fabricated. The device exhibits an operating voltage up to 1.6 V and a high volumetric energy density of 30.64 mWh cm(-3). The device also possesses outstanding flexibility as evidenced by no obvious performance degradation under various bending angles and maintaining high capacitance after 5000 bending cycles. This work promotes the practical application of flexible wearable energy-storage devices. (C) 2019 Science Press and Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. and Science Press. All rights reserved.
DOI	10.1016/j.jechem.2019.05.008
WOS Keyword	ENERGY DENSITY ; BIFUNCTIONAL ELECTROCATALYST ; FLEXIBLE SUPERCAPACITORS ; MICRO-SUPERCAPACITORS ; NI FOAM ; ELECTRODE ; ARRAYS ; FABRICATION ; EFFICIENT ; WIRE
Language	英语
WOS Research Area	Chemistry ; Energy & Fuels ; Engineering
Publisher	ELSEVIER
Citation statistics	Cited Times:22[WOS] [WOS Record] [Related Records in WOS]
Document Type	期刊论文
Identifier	http://ir.sic.ac.cn/handle/331005/28355
Collection	中国科学院上海硅酸盐研究所
Recommended Citation GB/T 7714	Liu, N,Pan, ZH,Ding, XY,et al. In-situ growth of vertically aligned nickel cobalt sulfide nanowires on carbon nanotube fibers for high capacitance all-solid-state asymmetric fiber-supercapacitors[J]. JOURNAL OF ENERGY CHEMISTRY,2020:209.
APA	Liu, N.,Pan, ZH.,Ding, XY.,Yang, J.,Xu, GG.,...&Zhang, YG.(2020).In-situ growth of vertically aligned nickel cobalt sulfide nanowires on carbon nanotube fibers for high capacitance all-solid-state asymmetric fiber-supercapacitors.JOURNAL OF ENERGY CHEMISTRY,209.
MLA	Liu, N,et al."In-situ growth of vertically aligned nickel cobalt sulfide nanowires on carbon nanotube fibers for high capacitance all-solid-state asymmetric fiber-supercapacitors".JOURNAL OF ENERGY CHEMISTRY (2020):209.

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