The structure and 920K conductivity of LiMnxFe1-xO2 and Li1-yMnyFeO2, where x and y both ranged from 0 to 1, were studied before and after soaking in (Li0.62K0.38)2CO3. The highest conductivity (32S/cm) was found for Li0.2Mn0.8FeO2.67. Soaking in the carbonate melt converted all of the (Li,Mn)FeO2 samples into rocksalt solid solutions and reduced their conductivity.

Influence of Soaking in Molten Eutectic on the Structure and Conductivity of Li(Mn,Fe)O2 and (Li,Mn)FeO2. S.I.Vecherskii, N.O.Esina, N.N.Batalov: Inorganic Materials, 2001, 37[7], 877-83