Cheng Li, Yuxuan Ge, Xiaoping Wang, Tao Yin, Huaisheng Ao, Tianjiang Sun, Kai Yang, Zhenkang Wang, Hao Geng, Guolin Hou, Chenglin Yan
Sulfide solid electrolytes are promising for ASSLBs but suffer from instability and interfacial issues. A controlled surface oxidation strategy is proposed for Li6PS5Cl to form a core-shell structure, enhancing stability while retaining high ionic conductivity. The modified electrolyte enables stable long-term cycling performance in ASSLBs, providing a feasible route for high-performance solid-state batteries.