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Issue 7, 2018
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Facile synthesis of a NiO/NiS hybrid and its use as an efficient electrode material for supercapacitor applications

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Abstract

In the current work, cost-effective NiO nanosheets decorated with NiS nanoparticles were successfully fabricated on Ni foam by following a facile two-step hydrothermal route, and investigated as an efficient electrode material for supercapacitor applications for the first time. The obtained NiO/NiS hybrid electrode was found to deliver rapid diffusion of ions and fast electron transport, due to the high electrical conductivity, large surface area, and unique surface morphology of the NiO/NiS. As a result, this electrode exhibited a high specific capacitance of 386.7 F g−1 at 1 A g−1 and good cycling stability, specifically retaining 97.6% of the initial capacitance after 3000 charge–discharge cycles at 5 A g−1. These results indicated NiO/NiS to be a promising electrode material for supercapacitor applications.

Graphical abstract: Facile synthesis of a NiO/NiS hybrid and its use as an efficient electrode material for supercapacitor applications

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Publication details

The article was received on 27 Dec 2017, accepted on 27 Feb 2018 and first published on 27 Feb 2018


Article type: Paper
DOI: 10.1039/C7NJ05145J
Citation: New J. Chem., 2018,42, 5309-5313
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    Facile synthesis of a NiO/NiS hybrid and its use as an efficient electrode material for supercapacitor applications

    S. Kim, C. V. V. M. Gopi, A. E. Reddy and H. Kim, New J. Chem., 2018, 42, 5309
    DOI: 10.1039/C7NJ05145J

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