Reconciling mechanical robustness and ion transport via in-situ rigid-flexible networks for fast-charging and wide-temperature sodium batteries.

Yuan Liang¹, Junhao Chen², Zhantao Wu³, Chenran Tang³, Jiapeng Liu⁴, Dengjie Chen³, Jing Yu⁵

¹College of Chemical and Materials Engineering, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China.

²College of Chemical and Materials Engineering, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China; College of Chemistry and Materials Science, Jinan University, Guangzhou 510632, China.

³College of Chemistry and Materials Science, Jinan University, Guangzhou 510632, China.

⁴School of Advanced Energy, Sun Yat-Sen University, Shenzhen 518107, China.

⁵College of Chemical and Materials Engineering, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China. Electronic address: jyuao@connect.ust.hk.

PubMed DOI

Abstract

Gel polymer electrolytes for next-generation sodium-metal batteries (SMBs) are limited by a trade-off between mechanical robustness and ionic conductivity, which hampers fast-charging and wide-temperature applications. Herein, we address this challenge via an innovative rigid-flexible coupled polymer network, specifically synthesized by copolymerizing flexible butyl acrylate (BA) monomers with rig…

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