A Dual-Function Molecule Enables Stable Four-Electron Conversion and Zn Deposition for High-Capacity Aqueous Zn-I2 Batteries

Chem. Sci., 2026, Accepted Manuscript DOI: 10.1039/D6SC00182C, Edge Article Huiquan Zhang, Xueying Zhang, Dongmin Ma, Xinxin Cai, Mochi Lv, Hongting Yan, Junbo Niu, Weixing Song Aqueous zinc-iodine batteries (ZIBs) are a promising energy storage technology due to the abundance of iodine, environmental friendliness, and low cost. This study introduces a multifunctional additive, L-lysine hydrochloride (LLH),...