Zhang, S., Chen, Q., Zheng, L., Cen, M., Luo, X., Zhao, P., Zhang, Q., Li, Y., Peng, W., Fan, X. (2026). Heteroengineered Fe 2 N/CrN x with Accelerated Proton‐Coupled Electron Transfer for Efficient Oxygen Reduction in Aluminum‐Air Batteries. Advanced Materials. https://doi.org/10.1002/adma.202514607