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Solid Polymer Electrolytes Based on Copolymers of Cyclic Carbonate Acrylate and n ‐Butylacrylate
Author(s) -
Boujioui Fadoi,
Damerow Helen,
Zhuge Flanco,
Gohy JeanFrançois
Publication year - 2020
Publication title -
macromolecular chemistry and physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.57
H-Index - 112
eISSN - 1521-3935
pISSN - 1022-1352
DOI - 10.1002/macp.201900556
Subject(s) - molar mass , copolymer , polymer chemistry , electrolyte , acrylate , polymer , materials science , polymerization , methyl acrylate , chemical engineering , chemistry , composite material , electrode , engineering
Solid polymer electrolytes (SPEs) are prepared by mixing poly(2‐oxo‐1,3‐dioxolan‐4‐yl)methyl acrylate‐ random ‐ n ‐butylacrylate) [P(cyCA‐ r ‐ n BA)] statistical copolymers with bis(trifluoromethane)sulfonimide lithium salt. The P(cyCA‐ r ‐ n BA) copolymers are synthesized by reversible addition‐fragmentation chain transfer polymerization and different molar masses as well as copolymer composition are targeted in order to study the influence of the molecular parameters on the thermal, mechanical, and electrochemical properties of the SPEs obtained after mixing the copolymers with lithium salts. In the investigated experimental window, it is shown that the thermal and mechanical properties of the SPEs mainly depend on the composition of the copolymer and are poorly influenced by the molar mass. In sharp contrast, the ionic conductivities are more deeply influenced by the molar mass than by the composition of the copolymers. In this respect ionic conductivity values ranging from 4.2 × 10 −6 S cm −1 for the lower molar mass sample to 8 × 10 −8 S cm −1 for the higher molar mass one are measured at room temperature for the investigated SPEs.