Hybrid electrochemical capacitors based on polyaniline and activated carbon electrodes

The performance of a newly designed, polyaniline-activated carbon, hybrid electrochemical capacitor is evaluated. The capacitor is prepared by using polyaniline as a positive electrode and activated carbon as a negative electrode. From a constant charge-discharge test, a specific capacitance of 380 F g(-1) is obtained. The cycling behaviour of the hybrid electrochemical capacitor is examined in a two-electrode cell by means of cyclic voltammetry. The cycle-life is 4000 cycles. Values for the specific energy and specific power of 18 Wh kg(-1) and 1.25 kW kg(-1), respectively, are demonstrated for a cell voltage between 1 and 1.6 V. (C) 2002 Elsevier Science B.V. All rights reserved.
Publisher
ELSEVIER SCIENCE BV
Issue Date
2002-09
Language
ENG
Keywords

CONDUCTING POLYMERS; SUPERCAPACITORS; COMPOSITES

Citation

JOURNAL OF POWER SOURCES, v.111, no.1, pp.185 - 190

ISSN
0378-7753
URI
http://hdl.handle.net/10203/5004
Appears in Collection
CBE-Journal Papers(저널논문)
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