期刊
ELECTROCHEMISTRY COMMUNICATIONS
卷 12, 期 6, 页码 761-764出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.elecom.2010.03.027
关键词
Polymer batteries; Conducting polymers; Redox-active dopant; pPy; PEDOT; ABTS
资金
- Brown University
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 LiClO4 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. (C) 2010 Elsevier B.V. All rights reserved.
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