Enhancing Oxygen Evolution Electrocatalysis in Heazlewoodite: Unveiling the Critical Role of Entropy Levels and Surface Reconstruction

. When paired with a Pt/C cathode, HES/NF exhibits rapid kinetics, outstanding stability, and exceptional water-splitting performance. The scalable, cost-effective approach paves the way for advanced electrocatalyst design, promising breakthroughs in energy storage and conversion technologies.