Molten carbonate fuel cell cathode development

From the results obtained so far, Li/sub 2/MnO/sub 3/ and LiFeO/sub 2/ look promising as cathode materials for the MCFC. The materials have low solubility in the molten electrolyte and do not migrate under cell operating conditions. However, further studies of their resistivity is required before they can be fully assessed. Zinc oxide does not appear to be a good cathode material candidate due to its high solubility and its incorporation into the LiAlO/sub 2/ matrix, although the conductivity of doped ZnO is low enough for its application as a cathode.