Cellulose Nanofibers-Polyacrylamide Hydrogel Based on Co-Electrolyte System for Solid-State Zinc Ion Batteries to Operate at Extremely Cold Temperatures

Solid-state zinc batteries (ssBs) based on hydrogel electrolyte have received a tremendous attention due to their reliable safety, high flexibility and robust performance. However, freezing of hydrogel electrolyte and resulted...