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Flexible three-dimensional carbon cloth/carbon fibers/NiCo2O4 composite electrode materials for high-performance all-solid-state electrochemical capacitors
Zhang, Jia-Nan1; Liu, Ping1; Jin, Chun1; Jin, Li-Na1; Bian, Shao-Wei1; Zhu, Quan1; Wang, Bao2
2017-12-01
发表期刊ELECTROCHIMICA ACTA
ISSN0013-4686
卷号256期号:DEC页码:90-99
摘要

A flexible three-dimensional carbon cloth/carbon fibers/NiCo2O4 composite electrode is prepared via a two step method: first growth carbon fibers on flexible carbon cloth; second coating NiCo2O4 on the carbon cloth/carbon fibers composite. The carbon cloth guarantees the flexibility of electrodes. The three-dimensional carbon cloth/carbon fibers conductive network enhances the ionic transportation property and offer high conductivity. The ultrathin and porous NiCo2O4 nanosheet layers contribute high faradic capacity. The hierarchically porous electrode structure further facilitates to shorten the electrolyte diffusion path. When used as electrodes for electrochemical capacitor, the composite electrode exhibits superior energy storage performances with high specific capacitance of 1221 F g(-1) at 1 A g(-1), outstanding cycle stability (81% capacitance retention after 3000 cycles) and excellent flexibility. To further investigate the performances of the carbon cloth/carbon fibers/NiCo2O4 composite electrode, we assemble an all-solid-state symmetric electrochemical capacitors device using identical carbon cloth/carbon fibers/NiCo2O4 composite as electrodes. The assembled device delivers a high energy density of 27.2 Wh kg(-1) at a power density of 1.46 kW kg(-1) and outstanding cycling stability with 91% capacitance retention after 2000 cycles. The combination of excellent flexibility and outstanding energy storage performance of the device will help to pave the way to wearable electronics and devices. (C) 2017 Elsevier Ltd. All rights reserved.

关键词Flexible Hierarchical All-solid-state Carbon Fibers Nico2o4
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
DOI10.1016/j.electacta.2017.10.005
收录类别SCI
语种英语
关键词[WOS]DOUBLE HYDROXIDE NANOSHEETS ; BINDER-FREE ELECTRODE ; HIGH-ENERGY DENSITY ; LI-ION BATTERIES ; ASYMMETRIC SUPERCAPACITORS ; COTTON-TEXTILE ; HYBRID NANOSTRUCTURES ; RATE CAPABILITY ; SURFACE-AREA ; CLOTH
WOS研究方向Electrochemistry
WOS类目Electrochemistry
项目资助者National Natural Science Foundation of China(51402048) ; Fundamental Research Funds for Central Universities ; DHU Distinguished Young Professor Program ; Scientific Research Foundation for Returned Overseas Chinese Scholars, State Education Ministry
WOS记录号WOS:000414042900011
引用统计
被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/23406
专题研究所(批量导入)
作者单位1.Donghua Univ, Coll Chem Chem Engn & Biotechnol, Shanghai 201620, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, Beijing 100190, Peoples R China
推荐引用方式
GB/T 7714
Zhang, Jia-Nan,Liu, Ping,Jin, Chun,et al. Flexible three-dimensional carbon cloth/carbon fibers/NiCo2O4 composite electrode materials for high-performance all-solid-state electrochemical capacitors[J]. ELECTROCHIMICA ACTA,2017,256(DEC):90-99.
APA Zhang, Jia-Nan.,Liu, Ping.,Jin, Chun.,Jin, Li-Na.,Bian, Shao-Wei.,...&Wang, Bao.(2017).Flexible three-dimensional carbon cloth/carbon fibers/NiCo2O4 composite electrode materials for high-performance all-solid-state electrochemical capacitors.ELECTROCHIMICA ACTA,256(DEC),90-99.
MLA Zhang, Jia-Nan,et al."Flexible three-dimensional carbon cloth/carbon fibers/NiCo2O4 composite electrode materials for high-performance all-solid-state electrochemical capacitors".ELECTROCHIMICA ACTA 256.DEC(2017):90-99.
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