Zhang, S., Wang, X., Gao, C., Zhu, Y., Yang, C., Kang, F., Zhai, D. (2026). Breaking the Size Constraint: Rational Vacancy Design Activates Submicron Prussian Blue Cathodes for Potassium‐Ion Storage. Angewandte Chemie International Edition. https://doi.org/10.1002/anie.1058944