Electrochemical supercapacitor properties of polyaniline thin films in organic salt added electrolytes

Authors

Yongcheol Jo, Dongguk University
Won-Je Cho, Dongguk University
Amar Amar Inamdar, Dongguk UniversityFollow
Byung Chul Kim, Dongguk UniversityFollow
Jongmin Kim, Dongguk University
Hyungsang Kim, Dongguk University
Hyunsik Im, Dongguk University
Kook Hyun Yu, Dongguk University
Daeyoung Kim, Dongguk University

RIS ID

116015

Publication Details

Jo, Y., Cho, W., Inamdar, A. I., Kim, B. Chul., Kim, J., Kim, H., Im, H., Yu, K. & Kim, D. (2014). Electrochemical supercapacitor properties of polyaniline thin films in organic salt added electrolytes. Journal of Applied Polymer Science, 131 (11), 40306-1-40306-6.

Abstract

We demonstrate optimized supercapacitive characteristics of electrodeposited polyaniline by adding organic salt into elec-trolyte. The optimum amount of the organic salt is found to be 2 wt % which provides better ionic conductivity of the electrolyte,leading to the improved specific capacitance of 259 Fg21. This capacitance remains at up to 208 Fg21(80% capacity retention) after1000 charge-discharge cycles. The optimized organic salt added electrolyte causes better rate performance and higher cyclability. Sig-nificantly reduced electrochemical charge transfer resistance at the electrode/electrolyte interface results in the increased ionic conduc-tivity, which can be useful in electrochemically preferred power devices for better applicability.