Efficient synthesis of hierarchical NiO nanosheets for high-performance flexible all-solid-state supercapacitors

Yue Qian; Rong Liu; Qiufan Wang; Jing Xu; Di Chen; Guozhen Shen

doi:10.1039/c4ta00988f

Efficient synthesis of hierarchical NiO nanosheets for high-performance flexible all-solid-state supercapacitors

Yue Qian, Rong Liu, Qiufan Wang, Jing Xu, Di Chen^*, Guozhen Shen

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

93 Citations (Scopus)

Abstract

Hierarchical NiO nanosheets were successfully grown on flexible carbon fibers with pre-deposited ZnO nanoparticle films as the buffer layers, followed by the removal of the ZnO films. The as-grown NiO nanosheets with excellent flexibility exhibited a largest specific capacitance of 842 mF cm^-2 at a current density of 1 mA cm^-2. Configured as flexible symmetric all-solid-state supercapacitors, the device showed a specific capacitance of 20 mF cm^-2 at 0.1 mA cm^-2, excellent cyclability with a real capacitance of about 20 mF cm^-2 for over 10 000 cycles, and excellent mechanical flexibility and stability under different curvatures. This journal is

Original language	English
Pages (from-to)	10917-10922
Number of pages	6
Journal	Journal of Materials Chemistry A
Volume	2
Issue number	28
DOIs	https://doi.org/10.1039/c4ta00988f
Publication status	Published - 28 Jul 2014
Externally published	Yes

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AU - Xu, Jing

AU - Chen, Di

AU - Shen, Guozhen

PY - 2014/7/28

Y1 - 2014/7/28

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AB - Hierarchical NiO nanosheets were successfully grown on flexible carbon fibers with pre-deposited ZnO nanoparticle films as the buffer layers, followed by the removal of the ZnO films. The as-grown NiO nanosheets with excellent flexibility exhibited a largest specific capacitance of 842 mF cm-2 at a current density of 1 mA cm-2. Configured as flexible symmetric all-solid-state supercapacitors, the device showed a specific capacitance of 20 mF cm-2 at 0.1 mA cm-2, excellent cyclability with a real capacitance of about 20 mF cm-2 for over 10 000 cycles, and excellent mechanical flexibility and stability under different curvatures. This journal is

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Efficient synthesis of hierarchical NiO nanosheets for high-performance flexible all-solid-state supercapacitors

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