Issue 10, 2014

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

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

Supplementary files

Article information

Article type
Research Article
Submitted
02 Jul 2014
Accepted
19 Sep 2014
First published
22 Sep 2014

Inorg. Chem. Front., 2014,1, 745-750

Author version available

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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