Stick‐and‐Use Flexible K‐Ion Microbatteries with Ultrahigh Power Density and Long Lifespan Via Electron‐Ion Synergistic Tailoring. - Liu, Ao; Wu, Mengfei; Sun, Tianci; Yang, Wei; Liao, Xiaobin; Chen, Hong; Wang, Teng; Li, Haojie; Dong, Yifan; Tian, Xiaocong; Xu, Bingang (Advanced Energy Materials, 2026)