Journal
ELECTROCHEMISTRY COMMUNICATIONS
Volume 13, Issue 5, Pages 462-465Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.elecom.2011.02.021
Keywords
Thioether; Organosulfur; Redox capacitor; Conducting polymer
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Funding
- Fuji Heavy Industries, Ltd.
- National Defense Science and Engineering Graduate (NDSEG) Fellowship
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While numerous organic molecules have promising oxidation potentials and theoretical energy densities for use as redox capacitor cathode materials, practical application requires that the molecules remain in contact with the electrode during cycling. In this report, a hybrid molecule was synthesized and electrochemically polymerized to prepare a conducting polymer backbone of poly(3,4-ethylenedioxythiophene) with pendant thioether functionalities as redox (and charge-storing) sites. The choice of an electron deficient aromatic solvent was critical to form a conducting polymer film from the hybrid monomer, as well as to achieve stable charge/discharge cycling of the pendant-type polymer. In nitrobenzene, 86% of the charge was retained after 100 charge/discharge cycles. (C) 2011 Elsevier B.V. All rights reserved.
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