Wang, Y., Yuan, Z., Cen, Z., Yu, S., Li, C., Tang, H., Cao, A., Wu, T., Ren, X., Ma, D. (2026). Site‐Specific Ir Single Atoms in Spinel Induce 5 d Spin Polarization for Enhanced Oxygen Evolution. Angewandte Chemie International Edition. https://doi.org/10.1002/anie.2500154