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Issue 28, 2014
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Efficient synthesis of hierarchical NiO nanosheets for high-performance flexible all-solid-state supercapacitors

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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.

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

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Supplementary files

Article information


Submitted
26 Feb 2014
Accepted
04 Apr 2014
First published
04 Apr 2014

J. Mater. Chem. A, 2014,2, 10917-10922
Article type
Paper
Author version available

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

Y. Qian, R. Liu, Q. Wang, J. Xu, D. Chen and G. Shen, J. Mater. Chem. A, 2014, 2, 10917
DOI: 10.1039/C4TA00988F

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