Random Binary Brush Architecture Enhances both Ionic Conductivity and Mechanical Strength at Room Temperature

Yu-Feng Lyu; Zhi-Jie Zhang; Chang Liu; Zhi Geng; Long-Cheng Gao; Quan Chen

doi:10.1007/s10118-018-2016-z

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Random Binary Brush Architecture Enhances both Ionic Conductivity and Mechanical Strength at Room Temperature

PAPERS | Updated：2021-02-18

- Random Binary Brush Architecture Enhances both Ionic Conductivity and Mechanical Strength at Room Temperature
- Random Binary Brush Architecture Enhances both Ionic Conductivity and Mechanical Strength at Room Temperature
- Chinese Journal of Polymer Science 2018年36卷第1期页码：78-84
- Affiliations：
  
  a.Key Laboratory of Bio-inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry and Environment, Beihang University, Beijing 100191, China
  b.State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
- Author bio：
  
  E-mail lcgao@buaa.edu.cn (L.C.G.)
  E-mail qchen@ciac.ac.cn (Q.C.)
- Funds：
- DOI：10.1007/s10118-018-2016-z
  中图分类号：
- 收稿：2017-06-26，
  
  录用：2017-8-2，
  
  网络首发：2017-10-30，
  
  纸质出版：2018-01-05
- Accepted：
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Yu-Feng Lyu, Zhi-Jie Zhang, Chang Liu, 等. Random Binary Brush Architecture Enhances both Ionic Conductivity and Mechanical Strength at Room Temperature[J]. Chinese Journal of Polymer Science, 2018,36(1):78-84.

Yu-Feng Lyu, Zhi-Jie Zhang, Chang Liu, et al. Random Binary Brush Architecture Enhances both Ionic Conductivity and Mechanical Strength at Room Temperature[J]. Chinese Journal of Polymer Science, 2018, 36(1): 78-84.
Yu-Feng Lyu, Zhi-Jie Zhang, Chang Liu, 等. Random Binary Brush Architecture Enhances both Ionic Conductivity and Mechanical Strength at Room Temperature[J]. Chinese Journal of Polymer Science, 2018,36(1):78-84. DOI： 10.1007/s10118-018-2016-z.

Yu-Feng Lyu, Zhi-Jie Zhang, Chang Liu, et al. Random Binary Brush Architecture Enhances both Ionic Conductivity and Mechanical Strength at Room Temperature[J]. Chinese Journal of Polymer Science, 2018, 36(1): 78-84. DOI： 10.1007/s10118-018-2016-z.

摘要

Abstract

The ionic conductivity and the mechanical strength are two key factors for the performance of poly(ethylene oxide) (PEO) based polyelectrolytes. However

crystallized PEO suppresses ion conductivity at low temperature and melted PEO has low mechanical strength at high temperature. Here

random binary brush copolymer composed of PEO- and polystyrene (PS)-based side chains is synthesized. PEO crystallinity is suppressed by the introduction of PS brushes. Doping with lithium trifluoromethanesulfonate (LiTf) induces microphase separation. Due to a random arrangement of the brushes

the microphase segregation is incomplete even at high salt loading

which provides both high ionic conductivity and high mechanical strength at room temperature. These results provide opportunities for the design of polymeric electrolytes to be used at room temperature.

关键词

Keywords

references

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