BaZr0.8Y0.2O3 − δ electrolyte with and without ZnO sintering aid: Preparation and characterization

The structure, morphology and electrical conductivity for BaZr0.8Y0.2O3 − δ (BZY20) and BZY20 with ZnO sintering aid are compared. Both materials have a very dense structure. The bulk and total conductivities for BZY20 with ZnO sintering aid are lower than those of BZY20 in the range 400 to 650 °C. Both materials are stable up to 650 °C in hydrogen containing 5000 ppm H2S. Dense anode-supported electrolyte thin films are prepared using spin coating.