An all-perovskite solid oxide fuel cell has been achieved using LSCM ((La0.75Sr0.25)(0.95)Cr0.5Mn0.5O3-delta) as the anode, LSGMCo (La0.8Sr0.2Ga0.8Mg0.15CO0.05O3-delta) as the electrolyte, and GSC (Gd0.4Sr0.6CoO3-delta) as the cathode see figure). The all-perovskite design enhances structural integrity and minimizes interface polarization losses.