Journal
JOURNAL OF POWER SOURCES
Volume 150, Issue -, Pages 202-207Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jpowsour.2005.02.023
Keywords
cycling performance; gel polymer electrolyte; inorganic additive; lithium-metal-polymer cell; vanadium pentoxide
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A gel polymer electrolyte is prepared by soaking a polymer-coated separator in electrolyte solution that contains an inorganic additive. The porous polymer coated on the separator is gelled by soaking in an electrolyte solution to encapsulate a larger amount of electrolyte solution. By using the gel polymer electrolyte, lithium-metal-polymer cells composed of a lithium anode and V2O5 cathode are assembled and their cycling performances are evaluated. The effect of an inorganic additive (AlI3) on the cycling performance of Li/V2O5 polymer cells is investigated. The addition of AlI3 to the gel polymer electrolyte reduces the interfacial resistance and thus the cells exhibit a less capacity fading and better high rate performance. (c) 2005 Elsevier B.V. All rights reserved.
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