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Song, Hyun-Kon
eclat: ElectroChemistry Lab of Advanced Technology
Research Interests
  • Electrochemical analysis, electroactive materials, electrochemistry-based energy devices

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Enhancing the stability and performance of a battery cathode using a non-aqueous electrolyte

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Title
Enhancing the stability and performance of a battery cathode using a non-aqueous electrolyte
Author
Kim, Sung YeolSen, SujatSong, Hyun-KonPalmore, G. Tayhas R.
Keywords
ABTS; PEDOT; Polymer batteries; pPy; Redox-active
Issue Date
201006
Publisher
ELSEVIER SCIENCE INC
Citation
ELECTROCHEMISTRY COMMUNICATIONS, v.12, no.6, pp.761 - 764
Abstract
For conductive polymers to be considered materials for energy storage, both their electroactivity and stability must be optimized. In this study, a non-aqueous electrolyte (0.2 M LiClO(4) in acetonitrile) was studied for its effect on the charge storage capacity and stability of two materials used in batteries developed in our laboratory, polypyrrole (pPy) and poly(3,4-ethylenedioxythiophene) (PEDOT) doped with 2,2'-azino-bis(3-ethylbenzothiaxoline-6-sulfonic acid (ABTS). The results are compared to the performance of these materials in an aqueous electrolyte (0.2 M HCl/aq). Loss of ABTS dopant was eliminated principally due to the low solubility of ABTS in acetonitrile, resulting in cathode materials with improved stability in terms of load cycling and performance.
URI
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DOI
http://dx.doi.org/10.1016/j.elecom.2010.03.027
ISSN
1388-2481
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