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Issue 10, 2014
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Hetero-nuclear coordinated compounds for use in high-performance supercapacitor electrode material design

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Abstract

Single crystals of cobalt coordination compounds were obtained by one-pot hydrothermal reaction. Nickel ion exchange was used to produce the Ni–Co hetero-metal compound with tunable chemical composition. Using a nickel-exchanged compound as the precursor, we developed a simple chemical reaction to synthesize large-scale 3D hierarchical NixCo3−xS4 (x = 0.15–0.42) microflowers under ambient conditions. As an electrode material for supercapacitors, the discharge capacitance of Ni0.42Co2.58S4 microflowers is approximately one and a half times higher than the discharge capacitance value of Ni0.15Co2.75S4 at a current density of 0.5 A g−1.

Graphical abstract: Hetero-nuclear coordinated compounds for use in high-performance supercapacitor electrode material design

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Publication details

The article was received on 02 Jul 2014, accepted on 19 Sep 2014 and first published on 22 Sep 2014


Article type: Research Article
DOI: 10.1039/C4QI00088A
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Citation: Inorg. Chem. Front., 2014,1, 745-750

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    Hetero-nuclear coordinated compounds for use in high-performance supercapacitor electrode material design

    L. Mi, Y. Gao, S. Cui, H. Hou and W. Chen, Inorg. Chem. Front., 2014, 1, 745
    DOI: 10.1039/C4QI00088A

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