A new class of alkaline polymer gel electrolyte for carbon aerogel supercapacitors

A carbon aerogel supercapacitor has been fabricated with an alkaline polymer gel electrolyte. The electrolyte, which also acts as a separator, has a thickness of 3 mm and a conductivity of around 10 −2 S cm −1 at room temperature. The capacitor is characterized by means of cyclic voltammetry, impeda...

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Bibliographic Details
Published in:Journal of power sources 2006-06, Vol.157 (1), p.621-623
Main Authors: Kalpana, D., Renganathan, N.G., Pitchumani, S.
Format: Article
Language:English
Subjects:
Applied sciences
Capacitors. Resistors. Filters
Carbon aerogel
Conductivity
Electrical engineering. Electrical power engineering
Exact sciences and technology
Polyethylene oxide
Polymer gel electrolyte
Specific capacitance
Supercapacitor
Various equipment and components
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Summary:A carbon aerogel supercapacitor has been fabricated with an alkaline polymer gel electrolyte. The electrolyte, which also acts as a separator, has a thickness of 3 mm and a conductivity of around 10 −2 S cm −1 at room temperature. The capacitor is characterized by means of cyclic voltammetry, impedance spectroscopy, and galvanostatic cycling. A specific capacitance of 9 F g −1 is shown by cyclic voltammetry.
ISSN:0378-7753
1873-2755
DOI:10.1016/j.jpowsour.2005.07.057