Chem. Commun., 2025, Accepted Manuscript DOI: 10.1039/D5CC04279H, Communication Xiaojia Lan, Yuekai Lin, Zhaoyu Zhang, Wencheng Du, Yufei Zhang, Minghui Ye, Zhipeng Wen, Yongchao Tang, Xiaoqing Liu, Cheng Chao Li Catechol, a multifunctional electrolyte additive leveraging p-π conjugation, is proposed to regulate Sn2+ solvation and facilitate Sn2+ transport. The synergy enables highly reversible plating/stripping of Sn anode at ultrahigh utilization...