A Flexible Cotton-Based Supercapacitor Electrode with High Stability Prepared by Multiwalled CNTs/PANI

A Flexible Cotton-Based Supercapacitor Electrode with High Stability Prepared by Multiwalled... Multiwalled nanotubes/cotton composite was prepared firstly as conductive fabric, and then, polyaniline (PANI) doped with multi-walled carbon nanotubes (MWCNTs) were fabricated on the conductive fabric to make flexible cotton-based supercapacitor electrodes. The doping of MWCNTs cannot only provide good conductivity and large specific surface area of the electrode, but also help to increase the loading of aniline monomer in the polyaniline polymerization. Field emission scanning electron microscopy was applied to observe the surface morphology of the composite, and Fourier transform infrared and Energy dispersion spectrum were used to analysis the existence of PANI. Electrochemical tests were adopted to measure the electrochemical performance. The results demonstrated the multivariate mixture composite flexible electrode exhibited a specific capacitance of 590.93 F g−1 at a scan rate of 0.001 V s−1 and an excellent capacitance retention of 89% at 0.1 V s−1 after 3000 cycles. Based on our method, the cycle stability of the composite was great and so was the capacitance retention. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Electronic Materials Springer Journals

A Flexible Cotton-Based Supercapacitor Electrode with High Stability Prepared by Multiwalled CNTs/PANI

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Publisher
Springer Journals
Copyright
Copyright © 2018 by The Minerals, Metals & Materials Society
Subject
Materials Science; Optical and Electronic Materials; Characterization and Evaluation of Materials; Electronics and Microelectronics, Instrumentation; Solid State Physics
ISSN
0361-5235
eISSN
1543-186X
D.O.I.
10.1007/s11664-018-6306-6
Publisher site
See Article on Publisher Site

Abstract

Multiwalled nanotubes/cotton composite was prepared firstly as conductive fabric, and then, polyaniline (PANI) doped with multi-walled carbon nanotubes (MWCNTs) were fabricated on the conductive fabric to make flexible cotton-based supercapacitor electrodes. The doping of MWCNTs cannot only provide good conductivity and large specific surface area of the electrode, but also help to increase the loading of aniline monomer in the polyaniline polymerization. Field emission scanning electron microscopy was applied to observe the surface morphology of the composite, and Fourier transform infrared and Energy dispersion spectrum were used to analysis the existence of PANI. Electrochemical tests were adopted to measure the electrochemical performance. The results demonstrated the multivariate mixture composite flexible electrode exhibited a specific capacitance of 590.93 F g−1 at a scan rate of 0.001 V s−1 and an excellent capacitance retention of 89% at 0.1 V s−1 after 3000 cycles. Based on our method, the cycle stability of the composite was great and so was the capacitance retention.

Journal

Journal of Electronic MaterialsSpringer Journals

Published: May 1, 2018

References

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