Li 2 CO 3 ‐Derived Low‐Cost Li 2 S for Sulfide Solid Electrolytes Exceeding 11 mS cm −1

Key Points

• The main aim is to explore the potential of Li2S derived from Li2CO3 as a low-cost option for enhancing sulfide solid electrolytes.
• Utilized Li2CO3 to produce Li2S for solid electrolyte synthesis.
• Conducted assessments of conductivity for the produced sulfide solid electrolytes.
• Achieved conductivity exceeding 11 mS cm−1.
• Reduction in specific materials highlighted significant techno-economic advantages for commercial applications.