Topology-engineered hydrogel with cellulose nanosheets for robust and high-capacity zinc-ion batteries.
Aqueous zinc-ion batteries (ZIBs) are regarded as a promising candidate for the next-generation energy storage system. As a gel electrolyte with tunable chemistry, polyacrylamide hydrogels suffer from insufficient mechanical strength and limited capability to regulate Zn2+ transport. Herein, we address this challenge b...