Citation: DING Liming. LITHIUM ION CONDUCTING POLYMER ELECTROLYTES BASED ON ALTERNATING MALEIC ANHYDRIDE COPOLYMER WITH OLIGO-OXYETHYLENE SIDE CHAINS[J]. Chinese Journal of Polymer Science, ;1996, 14(3): 240-247. shu

LITHIUM ION CONDUCTING POLYMER ELECTROLYTES BASED ON ALTERNATING MALEIC ANHYDRIDE COPOLYMER WITH OLIGO-OXYETHYLENE SIDE CHAINS

DING Liming

Received Date: 7 July 1995

A comb polymer with oligo-oxyethylene side chains of the type -(CH2CH2O)12CH3was prepared from methyl vinyl ether/maleic anhydride copolymer and poly (ethyleneglycol) methyl ether. The polymer can dissolve LiClO4 salt to form homogeneous amor-phous polymer electrolyte. The ac ion conduction was measured using the complex impedancemethod, and conductivities were investigated as functions of temperatures and salt con-centration. The complexes were first found to have two classes of glass transition which increase with increasing,salt content.The optimum conductivity attained ta 25℃ is in the order of 5.50×10-6Scm-1.IR spectroscopy was used to study the cation-polymer interaction.
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