STUDY ON THE PREPARATION AND PERFORMANCES OF P(VAc-MMA) POLYMER ELECTROLYTES FOR LITHIUM ION BATTERY

Dao-jun Yang a; b; Xiang-kai Fua b

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STUDY ON THE PREPARATION AND PERFORMANCES OF P(VAc-MMA) POLYMER ELECTROLYTES FOR LITHIUM ION BATTERY

Papers | Updated：2021-06-21

- STUDY ON THE PREPARATION AND PERFORMANCES OF P(VAc-MMA) POLYMER ELECTROLYTES FOR LITHIUM ION BATTERY
- Vol. 26, Issue 4, Pages: 375-380(2008)
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- Published：20 July 2008
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Dao-jun Yang a, b, Xiang-kai Fua b. STUDY ON THE PREPARATION AND PERFORMANCES OF P(VAc-MMA) POLYMER ELECTROLYTES FOR LITHIUM ION BATTERY[J]. 2008, 26(4): 375-380.
DOI：

Dao-jun Yang a, b, Xiang-kai Fua b. STUDY ON THE PREPARATION AND PERFORMANCES OF P(VAc-MMA) POLYMER ELECTROLYTES FOR LITHIUM ION BATTERY[J]. 2008, 26(4): 375-380. DOI：

摘要

A random copolymer P(VAc-MMA) was synthesized via seeded emulsion copolymerization with vinyl acetate (VAc) and methyl methacrylate (MMA) as monomers

and the polymer electrolytes comprising blend of corresponding copolymer P(VAc-MMA) as a host polymer and LiClO4 as a dopant were prepared by solution casting technique. Performances of the synthesized copolymer and prepared polymer membrane and electrolyte were studied by FTIR

XRD

DSC

mechanical testing and AC impedance. According to the study of FTIR and DSC

it was found that P(VAc-MMA) had been formed. XRD indicates that the amorphous nature in copolymer increased with increasing the ratio of VAc in monomers

resulting in expedite migration of ions. The polymer electrolytes based on P(VAc-MMA) possess excellent thermal stability

fine mechanical performance and high ionic conductivity. The maximum ionic conductivity value was found to reach 1.27 × 10－3 S·cm－1 at 25°C. The temperature dependence of the polymer electrolyte complexes appeared to obey Arrhenius equation.

Abstract

A random copolymer P(VAc-MMA) was synthesized via seeded emulsion copolymerization with vinyl acetate (VAc) and methyl methacrylate (MMA) as monomers

XRD

DSC

mechanical testing and AC impedance. According to the study of FTIR and DSC

it was found that P(VAc-MMA) had been formed. XRD indicates that the amorphous nature in copolymer increased with increasing the ratio of VAc in monomers

resulting in expedite migration of ions. The polymer electrolytes based on P(VAc-MMA) possess excellent thermal stability

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