Electrochemical performance Cathodes 10 Electric discharges 7 Electrolytes 6 Metal ions 5 Performance 5 Solid oxide fuel cells (SOFC) 5 Area-specific resistances 4 Electrodes 4 Lithium-ion batteries 4 Scanning electron microscopy 4 Sodium-ion batteries 4 Anodes 3 Cathodes material 3 Cyclic voltammetry 3 Electrical conductivity 3 Electrochemical impedance spectroscopy 3 Lanthanum compounds 3 Stability 3 Strontium compounds 3 Synthesised 3 Titanium compounds 3 X ray diffraction 3 cathode materials 3 Additives 2 Alluaudite 2 Barium compounds 2 Capacitance 2 Capacitive performance 2 Capacity retention 2