Electrochemical performance of polyaniline nanofibres and polyaniline/multi-walled carbon nanotube composite as an electrode material for aqueous redox supercapacitors

Sivakkumar, S. R., Kim, Wan Ju, Choi, Ji-Ae, MacFarlane, Douglas R., Forsyth, Maria and Kim, Dong-Won 2007, Electrochemical performance of polyaniline nanofibres and polyaniline/multi-walled carbon nanotube composite as an electrode material for aqueous redox supercapacitors, Journal of power sources, vol. 171, no. 2, pp. 1062-1068.

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Title Electrochemical performance of polyaniline nanofibres and polyaniline/multi-walled carbon nanotube composite as an electrode material for aqueous redox supercapacitors
Author(s) Sivakkumar, S. R.
Kim, Wan Ju
Choi, Ji-Ae
MacFarlane, Douglas R.
Forsyth, Maria
Kim, Dong-Won
Journal name Journal of power sources
Volume number 171
Issue number 2
Start page 1062
End page 1068
Publisher Elsevier SA
Place of publication Switzerland
Publication date 2007-09-27
ISSN 0378-7753
1873-2755
Keyword(s) Carbon nanotube
Composite electrode
Electrochemical capacitor
Polyaniline
Redox supercapacitor
Summary Polyaniline (PANI) nanofibres are synthesized by interfacial polymerization and their electrochemical performance is evaluated in an aqueous redox supercapacitor constituted as a two-electrode cell. The initial specific capacitance of the cell is 554 F g−1 at a constant current of 1.0 A g−1, but this value rapidly decreases on continuous cycling. In order to improve the cycleability of the supercapacitor, a composite of polyaniline with multi-walled carbon nanotubes (CNTs) is synthesized by in situ chemical polymerization. Its capacitive behaviour is evaluated in a similar cell configuration. A high initial specific capacitance of 606 F g−1 is obtained with good retention on cycling. In both supercapacitors, the effect of charging potential on cycling performances is investigated.
Language eng
Field of Research 039999 Chemical Sciences not elsewhere classified
Socio Economic Objective 970103 Expanding Knowledge in the Chemical Sciences
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2007, Elsevier B.V. All rights reserved.
Persistent URL http://hdl.handle.net/10536/DRO/DU:30030255

Document type: Journal Article
Collection: Institute for Technology Research and Innovation
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