Xin Feng, Feng Wu, Yu Li, Yanke Fu, Ying Li, Mingquan Liu, Yuteng Gong, Haixia Ren, Chuan Wu, Ying Bai. "Critical Role of Ultra‐Microporous Tunnel Structure Within Hard Carbon in Boosting Sodium‐Ion Storage." Advanced Materials, 2026. doi:10.1002/adma.202501779