Abstract
AbstractThe thermal stability of the cathode material against an electrolyte at the operating temperature plays an important role in the fuel cell's performance. As such, compatibility tests of the most common used electrolytes with La2–xSrxCuO4 have been performed. The chemical reaction between these two materials in the temperature ranging from 800 to 1,000 °C was examined by X‐ray diffraction analyses. The results show that in all the cases there is reaction above 925 °C, making conventional cell fabrication non‐appropriate. However, we demonstrate that infiltration is a useful technique for obtaining cuprate cermets for use as cathode materials in IT‐SOFCs.
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