High‐Capacity Electrode Coupling Empowered by a Zwitterionic Hydrogel Electrolyte for Wide‐Temperature, High‐Energy‐Density Aqueous Sodium‐Ion Hybrid Capacitors. - Xu, Minghao; Zhai, Shengjun; Gong, Peng; Zhou, Qingyuan; Chai, Shibo; Dong, Yibo; Li, Yuanyuan; Liu, Jinping (Advanced Functional Materials, 2026)