Mechanically Robust Sulfide Electrolyte Membrane Featuring In Situ Dendrite Depletion for High‐Stability All‐Solid‐State Lithium Metal Batteries
Despite their high ionic conductivities, sulfide solid‐state electrolytes (SSEs) must reconcile ionic conductivity with mechanical integrity for ultrathin membrane fabrication when integrated into all‐solid‐state lithium metal batteries (ASSLMBs). This study reports a controllable 30 µm sandwich‑structured sulfide SSE...