Ju-Myung Kim, Peiyuan Gao, Qiushi Miao, Qian Zhao, Muhammad Mominur Rahman, Ping Chen, Xin Zhang, Enyuan Hu, Ping Liu, Ji-Guang Zhang, Wu Xu
Sulfurized polyacrylonitrile (SPAN) is a promising cathode material for lithium-sulfur (Li-S) batteries due to its significantly reduced polysulfide (PS) dissolution compared to that of elemental S cathodes. Although conventional carbonate-based electrolytes are stable with SPAN electrodes, they are unstable with Li metal anodes. Recently, localized high-concentration electrolytes (LHCEs) have been developed to improve the stability of Li anodes. Here, we report a new strategy to further improve the performance of Li||SPAN batteries by replacing the conventional solvating solvent 1,2-dimethoxyethane (DME) in LHCEs with a new solvating solvent, 1,2-diethoxyethane (DEE)...
April 15, 2024: ACS Applied Materials & Interfaces