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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
Source PublicationELECTROCHIMICA ACTA
ISSN0013-4686
Volume256Issue:DECPages:90-99
Abstract

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.

KeywordFlexible Hierarchical All-solid-state Carbon Fibers Nico2o4
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1016/j.electacta.2017.10.005
Indexed BySCI
Language英语
WOS KeywordDOUBLE HYDROXIDE NANOSHEETS ; BINDER-FREE ELECTRODE ; HIGH-ENERGY DENSITY ; LI-ION BATTERIES ; ASYMMETRIC SUPERCAPACITORS ; COTTON-TEXTILE ; HYBRID NANOSTRUCTURES ; RATE CAPABILITY ; SURFACE-AREA ; CLOTH
WOS Research AreaElectrochemistry
WOS SubjectElectrochemistry
Funding OrganizationNational 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 IDWOS:000414042900011
Citation statistics
Cited Times:25[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/23406
Collection研究所(批量导入)
Affiliation1.Donghua Univ, Coll Chem Chem Engn & Biotechnol, Shanghai 201620, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, Beijing 100190, Peoples R China
Recommended Citation
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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