Deep Eutectic Solvents as Electrolytes for Zn Batteries: Between Blocked Crystallization, Electrochemical Performance and Corrosion Issues

, which balances performance and stability. However, increased ionic mobility introduces crystallization challenges, limiting liquid-phase stability. Despite these challenges, the optimized DES mixture demonstrates excellent cycling performance with reduced overpotentials and acceptable corrosion levels, offering a viable pathway for scalable Zn battery applications.