Engineering Commons^™

Long-Term Cell Testing Of Interlayer-Free Lanthanum Strontium Cobalt Ferrite Cathodes For Solid Oxide Fuel Cells, Gianfranco Digiuseppe, Venkatesh Boddapati, Hiten Mothikhana

Mechanical Engineering Publications

Sub-stoichiometric LSCF nanopowders with composition of (La0.6Sr0.40)0.95Co0.2Fe0.80O3-d were prepared using a nitrate-glycine process. The particle size is estimated to be 28.8 nm using the Scherrer equation. A sintering study and pull test was done to determine the quality of LSCF adhesion to the YSZ electrolyte. It was found that firing the cathode at 850oC does not provide the best adhesion, but button cell testing data indicate that the performance is stable over relatively long-term tests. The cell performance is not up to par to state-of-the-art Ni-YSZ/YSZ/SDC/LSCF where a barrier layer is used and the cathode is fired at high temperatures. …