Interfacial Engineering and Structural Modulation of RuO 2 ‐Based Catalysts for Highly Active and Durable Oxygen Evolution Reaction in Acidic Environment

, suggesting great promise for practical applications. Density functional theory calculations and in situ Raman analysis indicate that both the heterojunction structure and Ni doping play crucial roles in enhancing the OER activity and durability. This study provides a promising avenue for developing cost-effective electrocatalysts with superior activity and stability for advanced energy conversion.