Chem. J. Chinese Universities ›› 2022, Vol. 43 ›› Issue (8): 20220149.doi: 10.7503/cjcu20220149

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Progress on the Stretchable Composite Solid Polymer Electrolytes

LUO Xinyan, JIA Ruonan, XIANG Yong, ZHANG Xiaokun()   

  1. School of Materials and Energy,University of Electronic Science and Technology of China,Chengdu 611731,China
  • Received:2022-03-08 Online:2022-08-10 Published:2022-04-28
  • Contact: ZHANG Xiaokun E-mail:zxk@uestc.edu.cn
  • Supported by:
    the National Natural Science Foundation of China(21905040);the Sichuan Province Science and Technology Program, China(2069998)

Abstract:

The wearable electronics require flexible batteries to serve as power sources with high energy density, capacity, safety, and reliability. Stretchable solid electrolytes with high ionic conductivity are key to developing flexible all-solid-state lithium batteries which meet the above requirements. This paper reviews the typical mechanisms and recent progress on enhancing the ionic conductivity of composite solid polymer electrolytes. The strategies for decoupling the ionic conductivity and stretchability of solid polymer electrolytes are also discussed. The advanced characterization tools which may help to promote the study on stretchable composite solid polymer electrolytes are briefly introduced. Finally, the future trends and important directions of the technologies of stretchable composite solid polymer electrolytes are proposed as well.

Key words: Flexible battery, Stretchable solid electrolyte, Ionic conductivity, Mechanical property, Decoupling

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