The use of active layers is a promising strategy to improve the properties air electrodes for solid oxide fuel cells (SOFCs). In this work, La0.8Sr0.2MnO3-δ combined with different ion conductors Ce0.9Gd0.1O1.95, Bi1.5Y0.5O3 and Pr6O11 form highly efficient nanocomposite in single step by spray-pyrolysis deposition. One main advantages these that nanoscale microstructure retained at relatively ...