Materials that exhibit high ionic conductivity include ceramics like zirconia (ZrO2), doped with yttria (Y2O3), known as yttria-stabilized zirconia (YSZ). Another example is perovskite oxides, such as lanthanum strontium manganite (LSM) and lanthanum strontium cobalt ferrite (LSCF). These materials are commonly used as electrolytes in SOFCs and other electrochemical devices.
