A Plastic‐Crystal Electrolyte Layer Promotes Interfacial Stability of Ni‐Rich Oxide Cathode in Li6PS5Cl‐Based All‐Solid‐State Rechargeable Li Batteries

Unfavorable parasitic reactions between the Ni-rich layered oxide cathode and the sulfide solid electrolyte have plagued the realization of all-solid-state rechargeable Li batteries. The accumulation of inactive by-products (P