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Fluoride-based copolymer polymeric gel electrolyte using the fluoride-based copolymer and lithium battery employing the polymeric gel electrolyte
Fluoride-based copolymer polymeric gel electrolyte using the fluoride-based copolymer and lithium battery employing the polymeric gel electrolyte
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机译:使用基于氟化物的共聚物的基于氟化物的共聚物聚合物凝胶电解质和使用该聚合物凝胶电解质的锂电池
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摘要
PURPOSE: Provided are a fluorine based copolymer, a gel type polymer electrolyte containing the copolymer and a lithium battery employing the electrolyte to optimize water content of the liquid organic electrolyte to increase conductivity of lithium ions and enhance mechanical property of the electrolyte. CONSTITUTION: The fluorine based copolymer is represented by formula 1(wherein R1 is H or CH3; R2 is (CH2)xCO2(CH2)yCH3, (CH2)xCO2CH2CF3, (CH2)xO(CH2)yCH3, (CH2)xCH3, (CH2)xCN (in which x is a number of 0-10; y is a number of 0-10) and selected from a group consisting of compounds represented by following formulae, provided that n is a number of 1-50 and m is a number of 3-20). The electrolyte comprises the fluorine-based copolymer and a common electrolyte containing lithium salt and organic solvent. The electrolyte is contained in 33-85 weight parts based on 100 weight parts of the polymer electrolyte and the lithium salt has a concentration of 0.5-1.5M.
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