Trade-off between oxygen reduction reaction activity and CO2stability in a cation doped Ba0.9Co0.7Fe0.3O3−δperovskite cathode for solid oxide fuel cells

Highly electrochemical performance and CO₂durability are two challenges for exploring cathodes in SOFCs. A new type of Ba_0.9Co_0.7Fe_0.2M_0.1O_3−δ(M = Zr, Nb, Y) perovskites as promising cathode for IT-SOFCs has been developed with cations doping.