Journal
JOURNAL OF POWER SOURCES
Volume 119, Issue -, Pages 695-700Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0378-7753(03)00228-3
Keywords
conducting polymer; Li-ion battery; pEDOT; non-stoichiometric spinel
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This study reports the electrochemical characterization of non-stoichiometric LiMn2O4 spinels (commercial and home-made via the so]gel route) covered by poly(3,4-ethylenedioxythiophene) (pEDOT) chemically grown on the oxide particle surface and of spinels without polymer covering for use in lithium-ion batteries. The results demonstrate that the pEDOT covered spinels can be suitable electrode materials without addition of conducting carbon, and that they display a slightly higher stability upon cycling than the corresponding spinels without pEDOT covering, indicating a moderate barrier effect of pEDOT which protects the inorganic particles from degradation. (C) 2003 Elsevier Science B.V. All rights reserved.
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