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Issue 102, 2015
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Synthesis of carbon fiber@nickel oxide nanosheet core–shells for high-performance supercapacitors

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Abstract

We report on the design and synthesis of CFs@NiO-NSs and NiO-NSs core–shells by growing nickel oxide nanosheets (NiO-NSs) on carbon fibers (CFs), and test their applications as supercapacitors. We fabricate electrodes based upon the CFs@NiO-NSs core–shell and the NiO-NSs shell and measure their electrochemical performances. In comparison to the NiO-NSs electrode, the CFs@NiO-NSs electrode shows a more enhanced electrochemical performance with a high specific capacitance of 891.1 F g−1 at a current density of 1 A g−1, a good rate capability with 83.3% retention even at a high current density of 20 A g−1, and an excellent cycling stability by retaining 95% even after 5000 cycles. These results make the CFs@NiO-NSs a promising electrode material for high-performance supercapacitors.

Graphical abstract: Synthesis of carbon fiber@nickel oxide nanosheet core–shells for high-performance supercapacitors

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Publication details

The article was received on 23 Jul 2015, accepted on 29 Sep 2015 and first published on 05 Oct 2015


Article type: Paper
DOI: 10.1039/C5RA14568F
Citation: RSC Adv., 2015,5, 84238-84244
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    Synthesis of carbon fiber@nickel oxide nanosheet core–shells for high-performance supercapacitors

    L. Lin, T. Liu, J. Liu, K. Ji, R. Sun, W. Zeng and Z. Wang, RSC Adv., 2015, 5, 84238
    DOI: 10.1039/C5RA14568F

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