POSITIVE ELECTRODE FOR SOLID-STATE BATTERIES AND SOLID-STATE BATTERIES COMPRISING THE SAME

It is provided positive electrode comprising: (i) a high voltage cathode active material; (ii) a conductive additive; and (iii) a high voltage-stable catholyte comprising: a lithium salt, a polymer binder which is a PVdF co-polymer, a room temperature ionic liquid, a plastic crystal, and, optionally, a high boiling point solvent; wherein the positive electrode is characterized by having a density from 2.3 g/cm to 3.6 g/cm. It is also provided a process for the preparation of the positive electrode, as well as a battery comprising the positive electrode and an article of manufacture comprising the battery.