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Issue 33, 2019
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Few-walled carbon nanotube-enhanced activated carbon supercapacitor performance in organic electrolyte at 4 V

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Abstract

The effects of few-walled carbon nanotubes (1–2 shell) are studied on an activated carbon-based supercapacitor (soft pack) in organic electrolyte at 4 V. The density of the electrode sheet and the resistance of the device decrease sustainably with the addition of carbon nanotubes of 1–5 wt%. The specific capacitance of the electrode, the energy density and the power density of the device all show typical volcano-type changing trends with the addition of carbon nanotubes, due to the trade-off effect of carbon nanotubes with smaller packing density, excellent electrical conductivity, and smaller surface area. The addition of 1% carbon nanotubes results in the highest values of these three aspects, as well as excellent cycling stability for 10 000 cycles.

Graphical abstract: Few-walled carbon nanotube-enhanced activated carbon supercapacitor performance in organic electrolyte at 4 V

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Article information


Submitted
09 Apr 2019
Accepted
28 May 2019
First published
17 Jun 2019

This article is Open Access

RSC Adv., 2019,9, 18863-18867
Article type
Paper

Few-walled carbon nanotube-enhanced activated carbon supercapacitor performance in organic electrolyte at 4 V

J. Li and Z. Xu, RSC Adv., 2019, 9, 18863
DOI: 10.1039/C9RA02641J

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    [Original citation] - Published by The Royal Society of Chemistry.

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