Boosting bifunctional oxygen electrocatalysis by integrating Fe–N x moieties and FeNi nanoparticles for highly efficient and long-life rechargeable zinc–air batteries

The study uncovers a new approach of integrating iron phthalocyanine-derived Fe–N x moieties and FeNi nanoparticles as a robust bifunctional oxygen electrocatalyst for Zn–air batteries.