Journal
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
Volume 374, Issue 1-2, Pages 322-326Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.msea.2004.03.025
Keywords
supercapacitor; composite; polypyrrole; RuCl3 center dot xH(2)O
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Polypyrrole (PPY) composite powders doped with RuCl(3)(.)xH(2)O of variable mass were prepared by away of in situ chemical polymerization. Their electrochemical properties were investigated with cyclic voltammetry, charge-discharge tests and ac impedance spectroscopy in 1 M NaNO3. Morphology and crystalline structure of these Ru-doped PPY powders were examined by transmission electron microscopic (TEM). The PPY/Ru composite electrodes show much higher specific capacitance than pure PPY electrode so that they are more promising for application in supercapacitor. (C) 2004 Elsevier B.V. All rights reserved.
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