CoOX composite Pr0.4Sr0.6Co0.2Fe0.8O3-δ perovskite was used to obtain an IT-SOFC cathode with high electrocatalytic activity - Yuqian Wang; Defeng Zhou; Weiyi Zhang; Jie Yang; Qingyuan Sheng; Xiaofei Zhu; Jinghe Bai (Fuel, 2025)