Songjie Li, Wei Shan, Kaidi Kang, Bingguang Ye, Ruiqi Guo, Ran Zhao, Xinran Wang, Ying Bai, Chuan Wu. "π −Backbonding Interfaces Stabilize Deep Lithium Deposition for High‐Performance Anode‐Free Solid‐State Batteries." Advanced Materials (2026). https://doi.org/10.1002/adma.72920