Title

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

RIS ID

115359

Publication Details

Young, C., Salunkhe, R. R., Alshehri, S. M., Ahamad, T., Huang, Z., Henzie, J. & Yamauchi, Y. (2017). High energy density supercapacitors composed of nickel cobalt oxide nanosheets on nanoporous carbon nanoarchitectures. Journal of Materials Chemistry A, 5 (23), 11834-11839.

Abstract

Porous carbon-metal oxide hybrid materials are advanced functional composites with great potential for use in high energy den sity supercapacitors. Here we describe a hybrid structure composed of two-dimensional (2D) NiCo 2 O 4 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 NiCo 2 O 4 -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 .

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Link to publisher version (DOI)

http://dx.doi.org/10.1039/c7ta01362k