Journal
JOURNAL OF POWER SOURCES
Volume 88, Issue 2, Pages 269-273Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/S0378-7753(99)00348-1
Keywords
gel polymer; plasticizer; ionic conductivity
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A complex of polymer, plasticizer and Lithium salts can be used as a solid gel polymer electrolyte in lightweight and rechargeable lithium batteries. Considerable research has been directed towards the development of a gel polymer with high conductivity at room temperature. In this work, a gel polymer electrolyte using polyvinylidene fluoride (PVdF)-1000. (KF), a plasticizer of 1:1 ethylene carbonate (EC) and propylene carbonate (PC), and LiBF4 salt is optimized. Gel electrolytes have high ionic conductivity, good mechanical stability, a wide electrochemical stable window, and a stable lithium interface. The results of preliminary charge-discharge of cells are discussed in detail. (C) 2000 Elsevier Science S.A. All rights reserved.
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