Pr1 Co1 O3

PrCoO₃ (praseodymium cobalt oxide) is a perovskite-structured ceramic semiconductor combining rare-earth and transition-metal elements. This material is primarily of research interest for electrochemical applications, particularly as a cathode material in solid oxide fuel cells (SOFCs) and oxygen reduction catalysts, where its mixed ionic-electronic conductivity and catalytic activity offer advantages over conventional perovskites. Engineers select this compound for high-temperature electrochemical devices where tolerance to redox cycling and chemical stability in oxidizing atmospheres are critical, though it remains less mature than established alternatives like lanthanum strontium manganite (LSM).