Covalent Quantum Bridging Enables Bicontinuous Electron–Ion Highways in Hard Carbon for Ultrafast Sodium Storage - Li-Zhi Xu; Jun-Xiong Chen; De-Guang Liu; Kun Zhao; Ting-Ting Liu; Lei Huang; Shi-Yan Hu; Tian-Qi Yin; Tao Zhang; Jie Song; Zhen-Lin Wu; Chuang Li; et al. (Journal of the American Chemical Society, 2026)