Mg<sup>2+</sup> initiated <i>in situ</i> polymerization of dioxolane enabling stable interfaces in solid-state lithium metal batteries

Authors: Hao Xu, Jinshuo Mi, Jiabin Ma, Zhuo Han, Shun Lv, Likun Chen, Jiameng Zhang, Ke Yang, Boyu Li, Yuhang Li, Xufei An, Yuetao Ma, Shaoke Guo, Hai Su, Peiran Shi, Ming Liu, Feiyu Kang, Yan-Bing He

Published: 2025-03-14

DOI: 10.1039/d4ee05606j

Source: Full article


Abstract

A poly(1,3-dioxolane) solid-state electrolyte was via in situ polymerized using Mg2+-containing montmorillonite. The competitive coordination of Mg2+ and TFSI− led to the stable MgF2 interphases, suppressing the interfacial side reactions.