Journal
JOURNAL OF POWER SOURCES
Volume 158, Issue 2, Pages 1484-1489Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jpowsour.2005.10.094
Keywords
zinc electrode; polypyrrole; electrodeposition; electropolymerization; reversibility
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The reversibility of zinc anode in alkaline medium was enhanced by electrostatic deposition of a conducting polymer (polypyrrole). Electropolymerization of pyrrole onto zinc in aqueous medium using an organic acid as dopant is feasible and preferred as zinc is less corrosive in this medium. The structure of the polymer film was analyzed by FT-IR spectroscopy and scanning electron microscopy. The effect of the polypyrrole deposit on the zinc electrode was studied by cyclic voltammetry and charge-discharge cycling. (c) 2005 Elsevier B.V. All rights reserved.
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