Issue 23, 2017

High energy density supercapacitors composed of nickel cobalt oxide nanosheets on nanoporous carbon nanoarchitectures

Abstract

Porous carbon–metal oxide hybrid materials are advanced functional composites with great potential for use in high energy density supercapacitors. Here we describe a hybrid structure composed of two-dimensional (2D) NiCo2O4 nanosheets synthesized on polyhedral-shaped nanoporous carbon (NC) particles. The NC particles were derived from the carbonization of zeolitic imidazole frameworks (ZIF-8). Supercapacitor devices assembled using NiCo2O4-NC nanoparticles had excellent capacitive properties with energy densities up to 28 W h kg−1 and power densities up to 8.5 kW kg−1.

Graphical abstract: High energy density supercapacitors composed of nickel cobalt oxide nanosheets on nanoporous carbon nanoarchitectures

Supplementary files

Article information

Article type
Paper
Submitted
13 فرؤری 2017
Accepted
30 مارٕچ 2017
First published
30 مارٕچ 2017

J. Mater. Chem. A, 2017,5, 11834-11839

High energy density supercapacitors composed of nickel cobalt oxide nanosheets on nanoporous carbon nanoarchitectures

C. Young, R. R. Salunkhe, S. M. Alshehri, T. Ahamad, Z. Huang, J. Henzie and Y. Yamauchi, J. Mater. Chem. A, 2017, 5, 11834 DOI: 10.1039/C7TA01362K

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