Ion-Sieving Dual-Network Hydrogel Electrolytes Couple Accelerated Ion Transport with Iodide Shuttle Suppression in Aqueous Zn–I2 Batteries

Key Points

• This research aims to enhance the performance of aqueous Zn–I2 batteries through advanced electrolytes.
• Investigated ion-sieving properties of dual-network hydrogel electrolytes.
• Evaluated ion transport rates and iodide shuttle suppression in battery systems.
• Conducted experiments comparing hydrogel electrolytes with traditional options.
• Demonstrated faster ion transport rates with ion-sieving hydrogel electrolytes.
• Showed significant reduction in iodide shuttle effects compared to conventional electrolytes.