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IJC-A Vol.50A [2011] >
IJC-A Vol.50A(07) [July 2011] >

Title: Performance of phosphoric acid doped polyaniline as electrode material for aqueous redox supercapacitor
Authors: Radhakrishnan, S
Muthukannan, R
Kamatchi, U
Rao, Chepuri R K
Vijayan, M
Keywords: Electrochemistry
Conducting polymers
Electrode materials
Specific capacitance
Cyclic voltammetry
Issue Date: Jul-2011
Publisher: NISCAIR-CSIR, India
Abstract: Phosphoric acid doped polyaniline has been synthesized chemically and electrochemically and tested for its specific capacitance properties by constructing a supercapacitor using stainless steel electrodes. Both the samples are characterized by UV-vis, FTIR, XRD and electrochemical methods. The electrochemically grown samples exhibit higher capacitance values in the range of 244-305 F/g. This is due to the higher purity of the electrochemically prepared polymer due to repeated cycling of the potential. Chemically prepared samples show lower capacitance values due to over-oxidation of the polymer and presence of impurities.
Page(s): 970-978
CC License:  CC Attribution-Noncommercial-No Derivative Works 2.5 India
ISSN: 0975-0975(Online); 0376-4710(Print)
Source:IJC-A Vol.50A(07) [July 2011]

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