Facile solution synthesis of FeNx atom clusters supported on nitrogen-enriched graphene carbon aerogels with superb electrocatalytic performance toward the oxygen reduction reaction

FeNx atom clusters anchored on N-enriched graphene carbon aerogel exhibited high mass specific activity (840 mA mg_Fe⁻¹ at 0.80 V), positive E_1/2 (0.90 V vs. RHE), excellent durability and strong tolerance to methanol and SCN⁻ in alkaline media.