Li1 P1 S4 Zn1

LiPS₄Zn is an experimental solid-state electrolyte compound combining lithium, phosphorus, sulfur, and zinc—a thiophosphate-class material being investigated for next-generation battery systems. This ceramic electrolyte is of primary research interest for solid-state lithium-ion and lithium metal batteries, where it offers the potential for higher ionic conductivity and improved thermal stability compared to conventional liquid electrolytes, though it remains largely in the development phase. Engineers considering this material should note it belongs to the sulfide-based solid electrolyte family, which shows promise for enabling higher energy density batteries but requires further optimization for manufacturability and interfacial stability with electrode materials.