All-solid-state lithium–sulfur batteries based on a newly designed Li 7 P 2.9 Mn 0.1 S 10.7 I 0.3 superionic conductor

A lithium superionic conductor of Li 7 P 2.9 Mn 0.1 S 10.7 I 0.3 as solid electrolyte was successfully prepared via high-energy milling, possessing high ionic conductivity and excellent electrochemical stability. The prepared all solid state LSBs shows a large capacity of 796 mA h g −1 with good cycling stability.