Issue 105, 2015

Self-assembled flower-like ZnCo2O4 hierarchical superstructures for high capacity supercapacitors

Abstract

Self-assembled ZnCo2O4 nanosheets were synthesised by a one-step hydrothermal method and their electrochemical supercapacitor properties were investigated in 2 M aqueous KOH solution. Interesting capacitive properties were observed with a superb cyclic stability obtained even at a current density of 20 A g−1. A specific capacitance value of 1691 F g−1 was obtained at a current density of 1 A g−1 with an energy density of ∼57.4 W h kg−1. The experimental findings provide useful insights into the design of supercapacitors for potential high performance energy storage applications in the future.

Graphical abstract: Self-assembled flower-like ZnCo2O4 hierarchical superstructures for high capacity supercapacitors

Supplementary files

Article information

Article type
Paper
Submitted
31 Jul 2015
Accepted
28 Sep 2015
First published
28 Sep 2015

RSC Adv., 2015,5, 86551-86557

Author version available

Self-assembled flower-like ZnCo2O4 hierarchical superstructures for high capacity supercapacitors

S. Ratha and C. S. Rout, RSC Adv., 2015, 5, 86551 DOI: 10.1039/C5RA15272K

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