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Issue 43, 2016, Issue in Progress
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Nickel hydroxide coated carbon nanoparticles mediated hybrid three-dimensional graphene foam assembly for supercapacitor

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Abstract

A binder-free novel three-dimensional assembly comprising graphene, carbon nanoparticles and nickel hydroxide is presented as a supercapacitor electrode. The combined effect of three-dimensional graphene for excellent charge conduction and nickel hydroxide coating on carbon nanoparticles for high surface area was exploited to obtain excellent supercapacitance. The resulting structure presented an ultrahigh 4667 F g−1 specific capacitance at a 2 A g−1 discharge rate with 98.6% high charge retention for more than 1000 charge–discharge cycles. In addition, the presented assembly demonstrated very high power and energy densities.

Graphical abstract: Nickel hydroxide coated carbon nanoparticles mediated hybrid three-dimensional graphene foam assembly for supercapacitor

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Article information


Submitted
24 Feb 2016
Accepted
29 Mar 2016
First published
30 Mar 2016

RSC Adv., 2016,6, 36307-36313
Article type
Paper

Nickel hydroxide coated carbon nanoparticles mediated hybrid three-dimensional graphene foam assembly for supercapacitor

B. D. Boruah and A. Misra, RSC Adv., 2016, 6, 36307
DOI: 10.1039/C6RA04918D

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