Solvation Reconfiguration Enables Two-Electron Iodine Chemistry Through Chloride Activation for High-Energy Zn-Iodine Flow Batteries.
Activating the I0/I+ redox couple in aqueous Zn-iodine redox flow batteries (ZIRFBs) offers a promising route toward scalable energy storage with high voltage and high energy density. However, the hydrolytic instability of I+ species in water severely limits its practical implementation. Although chloride can stabilize...