Synthesis of New Lithium-Conducting Copolymers and the Influence of Their Structure and Composition on Ionic Conductivity
Authors
Ponkratov D.O., Lozinskaya E.I., Shaplov A.S., Khanin D.A., Afanasyev E.S., Takazova R.U., Vygodskii Y.S.
Reference
Doklady Chemistry, vol. 502, n° 2, pp. 29-36, 2022
Description
Abstract: A new polymeric electrolyte with mobile charges of one type has been synthesized. It is a block copolymer with non-ionic block of poly(2,2,3,3,4,4,5,5-octafluoropentyl methacrylate), which improves mechanical performance, and ionic block as a random copolymer of lithium 1-[3-(methacryloxy)-propylsulfonyl]-1-(trifluoromethanesulfonyl)imide with poly(ethylene glycol) methacrylate. A possibility has been shown for the tuning of ionic conductivity in a wide range (from 1 × 10–10 to 1 × 10–7 S cm–1, 25°C) by varying the ratio of macromolecular weights of neutral and ionic blocks and concentration of lithium monomer units in the ionic block.
