First-principles formulation of spinel-like structured Li(4−3x)YxCl4 as promising solid-state electrolytes to enable superb lithium ion conductivity and matching oxidation potentials to high-voltage cathodes

Halide solid-state electrolytes (SSEs) have attracted great attention as potential electrolytes for all solid-state batteries (ASSBs) owing to their high oxidation potentials, excellent ductility, and good resilience to humidity.