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Nanomaterials 2015, 5(2), 1034-1047; doi:10.3390/nano5021034

Crosslinked Carbon Nanotubes/Polyaniline Composites as a Pseudocapacitive Material with High Cycling Stability

State Key Laboratory of Applied Organic Chemistry and Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
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Academic Editor: Jiye Fang
Received: 28 April 2015 / Revised: 15 May 2015 / Accepted: 3 June 2015 / Published: 11 June 2015
(This article belongs to the Special Issue Nanomaterials for Energy and Sustainability Applications)
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Abstract

The poor cycling stability of polyaniline (PANI) limits its practical application as a pseudocapacitive material due to the volume change during the charge-discharge procedure. Herein, crosslinked carbon nanotubes/polyaniline (C-CNTs/PANI) composites had been designed by the in situ chemical oxidative polymerization of aniline in the presence of crosslinked carbon nanotubes (C-CNTs), which were obtained by coupling of the functionalized carbon nanotubes with 1,4-benzoquinone. The composite showed a specific capacitance of 294 F/g at the scan rate of 10 mV/s, and could retain 95% of its initial specific capacitance after 1000 CV cycles. Such high electrochemical cycling stability resulting from the crosslinked skeleton of the C-CNTs makes them potential electrode materials for a supercapacitor. View Full-Text
Keywords: electrochemical energy storage; cycling stability; nanocomposite; crosslinked carbon nanotubes (C-CNTs); polyaniline (PANI) electrochemical energy storage; cycling stability; nanocomposite; crosslinked carbon nanotubes (C-CNTs); polyaniline (PANI)
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Liu, D.; Wang, X.; Deng, J.; Zhou, C.; Guo, J.; Liu, P. Crosslinked Carbon Nanotubes/Polyaniline Composites as a Pseudocapacitive Material with High Cycling Stability. Nanomaterials 2015, 5, 1034-1047.

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