Jian Chen, Zhuo Yang, Xu Xu, Yun Qiao, Zhiming Zhou, Zhiqiang Hao, Xiaomin Chen, Yang Liu, Xingqiao Wu, Xunzhu Zhou, Lin Li, Shu-Lei Chou
Intrinsically safe sodium-ion batteries (SIBs) are considered a promising candidate for large-scale energy storage systems. However, the high flammability of conventional electrolytes may pose serious safety threats and even explosions. Herein, we propose a strategy of constructing a deep eutectic electrolyte (DEE) to boost the safety and electrochemical performance of succinonitrile (SN)-based electrolyte. The strong hydrogen bond between S = O of 1,3,2-dioxathiolane-2,2-dioxide (DTD) and the α-H of SN endows the enhanced safety and compatibility of SN with Lewis bases...
April 12, 2024: Advanced Materials