Green synthesis of the battery material lithium sulfide via metathetic reactions

We report a synthesis of lithium sulfide, the cost-determining material for making sulphide solid electrolytes (SSEs), via spontaneous metathesis reactions between lithium salts (halides and nitrate) and sodium sulfide. This innovative method is economical, scalable and green. It will pave the way to developing practical SSE-based solid-state lithium batteries.

Automated summary

This study presents a synthesis method for lithium sulfide through spontaneous metathesis reactions between lithium salts and sodium sulfide. The method is cost-effective, scalable, and environmentally friendly, paving the way for practical solid-state lithium batteries based on SSEs.