Synthesis and Fundamental Properties of Carbon Dioxide/Alkylene Oxide Copolymers as Ion-Conductive Polymers
-
- NANTHANA Vannasa
- Department of Organic and Polymer Materials Chemistry, Tokyo University of Agriculture and Technology
-
- TOMINAGA Yoichi
- Department of Organic and Polymer Materials Chemistry, Tokyo University of Agriculture and Technology
Bibliographic Information
- Other Title
-
- 二酸化炭素/アルキレンオキシド共重合体の合成とイオン伝導性高分子としての基本特性評価
Abstract
Solid polymer electrolytes (SPEs) have been proposed as solid-state alternatives to liquid electrolytes in electrochemical applications such as all-polymer Li batteries. However, these suffer from low ionic conductivity in the solid state compared with common liquid, gel and ceramic electrolytes. In this study, the preparation of SPEs using an alternative copolymer obtained from CO2 with an epoxide monomer instead of polyether was proposed synthesized and evaluated as a novel polymer candidate for SPEs. We used four types of polycarbonates (PCs) possessing different alkyl side groups; the SPE samples were prepared by the addition of 20–80 mol% LiTFSI. In all PC-based electrolytes, the glass transition temperature linearly decreased and the ionic conductivity increased with increasing LiTFSI concentration. Furthermore, longer alkyl side chains in PC decreased the conductivity, because the alkyl groups prevented LiTFSI dissociation.
Journal
-
- KOBUNSHI RONBUNSHU
-
KOBUNSHI RONBUNSHU 70 (1), 23-28, 2013
The Society of Polymer Science, Japan
- Tweet
Keywords
Details 詳細情報について
-
- CRID
- 1390282681502902912
-
- NII Article ID
- 130004489418
-
- COI
- 1:CAS:528:DC%2BC3sXit1ertr4%3D
-
- ISSN
- 18815685
- 03862186
-
- Text Lang
- ja
-
- Data Source
-
- JaLC
- Crossref
- CiNii Articles
-
- Abstract License Flag
- Disallowed