Failure analysis of the Ge-substituted Li6PS5I with bare LiNi0.8Co0.1Mn0.1O2 and performance improvement via Li2ZrO3 coating

A facile synthesis of a Ge-substituted Li 6 PS 5 I electrolyte with a high ionic conductivity of 13.1 mS cm −1 is reported, along with the failure analysis and performance improvement of solid-state batteries using LiNi 0.8 Co 0.1 Mn 0.1 O 2 cathodes.