Ji, X., Hu, R., Li, J., Zhao, H., Liu, X., Jiang, K., Tan, H., Xiong, Y., Fan, Z., Liu, H., Huang, M., Zhou, W. (2026). Multiply Nano‐Twinned Copper as a “Dual‐Site Cooperative” Catalyst for Enhanced Electrocatalytic Nitrate Reduction to Ammonia. Advanced Materials. https://doi.org/10.1002/adma.202516937