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Flexible, sandwich-like CNTs/NiCo2O4 hybrid paper electrodes for all-solid state supercapacitors
Yongjia Zheng1; Zhiqiang Lin1; Wenjun Chen1; Binghao Liang1; Huiwei Du1; Rongliang Yang1; Xianfeng He1; Zikang Tang1,2; Xuchun Gui1
2017-02-21
Source PublicationJOURNAL OF MATERIALS CHEMISTRY A
ISSN2050-7488
Volume5Issue:12Pages:5886-5894
Other Abstract

With the increasing demand for compact storage systems for portable and wearable electronic devices, flexible supercapacitors with high volumetric performance have attracted considerable attention. Here, we report a simple method to fabricate a sandwich-like carbon nanotubes (CNTs)/NiCo2O4 hybrid paper electrode, consisting of a layer of conductive CNT buckypaper coated with honeycomb-like NiCo2O4 nanosheets at both sides. Owing to the high conductivity of the CNT skeleton and vertically aligned structure of NiCo2O4 nanosheets, the free-standing hybrid paper possesses an ultra-high specific capacitance of 1752.3 F g−1 and excellent cycling performance. A flexible all-solid-state symmetrical supercapacitor has been further assembled based on the hybrid paper. The device exhibits excellent volumetric energy and power densities (1.17 mW h cm−3 and 2430 mW cm−3) and deformability, even under bending at an angle of 180°. The hybrid paper can serve as a freestanding and flexible electrode for various energy devices.

DOI10.1039/c7ta00491e
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaChemistry ; Energy & Fuels ; Materials Science
WOS SubjectChemistry, Physical ; Energy & Fuels ; Materials Science, Multidisciplinary
WOS IDWOS:000397606400028
PublisherROYAL SOC CHEMISTRY
The Source to ArticleWOS
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Cited Times [WOS]:60   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionINSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Corresponding AuthorXuchun Gui
Affiliation1.State Key Lab of Optoelectronic Materials and Technologies, School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou, 510275, P. R. China.
2.Institute of Applied Physics and Materials Engineering, University of Macau, Avenida da Universidade, Taipa, Macau, China
Recommended Citation
GB/T 7714
Yongjia Zheng,Zhiqiang Lin,Wenjun Chen,et al. Flexible, sandwich-like CNTs/NiCo2O4 hybrid paper electrodes for all-solid state supercapacitors[J]. JOURNAL OF MATERIALS CHEMISTRY A,2017,5(12):5886-5894.
APA Yongjia Zheng,Zhiqiang Lin,Wenjun Chen,Binghao Liang,Huiwei Du,Rongliang Yang,Xianfeng He,Zikang Tang,&Xuchun Gui.(2017).Flexible, sandwich-like CNTs/NiCo2O4 hybrid paper electrodes for all-solid state supercapacitors.JOURNAL OF MATERIALS CHEMISTRY A,5(12),5886-5894.
MLA Yongjia Zheng,et al."Flexible, sandwich-like CNTs/NiCo2O4 hybrid paper electrodes for all-solid state supercapacitors".JOURNAL OF MATERIALS CHEMISTRY A 5.12(2017):5886-5894.
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