Measurements and Modeling of Sm[sub 0.5]Sr[sub 0.5]CoO[sub 3−x]–Ce[sub 0.9]Gd[sub 0.1]O[sub 1.95] SOFC Cathodes Produced Using Infiltrate Solution Additives

Nanocomposite (SSC)– (GDC) solid oxide fuel cell (SOFC) cathodes were produced by infiltrating SSC nitrate solutions into GDC scaffolds. A single infiltration of a concentrated solution resulted in a low polarization resistance of at . Infiltrate solution additives slightly improved the SSC phase purity but did not significantly alter the SSC particle morphology/size or the infiltrated cathode polarization resistance. Polarization resistance predictions made using microstructural observations and a simple model were found to be within 35% of the experimentally measured values without the use of fitting parameters.