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World Scientific Publishing, Functional Materials Letters, 03(14), p. 2140001, 2021

DOI: 10.1142/s1793604721400014

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A novel solid electrolyte formed by NASICON-type Li3Zr2Si2PO12 and poly(vinylidene fluoride) for solid state batteries

Journal article published in 2021 by Jingxiong Gao, Jie Wu, Songyi Han, Jingze Zhang, Lei Zhu, Yongmin Wu, Jinbao Zhao, Weiping Tang
This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Abstract

Owing to their high ionic conductivity and excellent flexibility, composite polymer electrolytes (CPEs) have been widely studied in solid lithium metal batteries (SLMBs). In this study, a new solid electrolyte of NASICON-type Li3Zr2Si2[Formula: see text] (LZSP) was prepared by the sol–gel method, and then a new type of CPE membrane containing LZSP and Poly(vinylidene fluoride) (PVDF) was synthesized by slurry-casting method. The CPE membrane presented much higher ionic conductivity of 5.66 × 10[Formula: see text] S ⋅ cm[Formula: see text] at 25∘C and stronger electrochemical stability compared to the one without LZSP. In addition, the cells containing the composite electrolyte membrane exhibited considerable rate performance and cycle performance.