Solvent structure regulation strategy of aqueous zn-ion battery electrolyte
Aqueous zinc-ion batteries(AZIBs)have been widely valued by academia and industry in recent years due to their advantages of low cost,high safety,and abundant metal zinc resources.However,AZIBs inevitably have problems with dendrite growth,hydrogen evolution reactions,and corrosion.As an important part of AZIBs,the optimization of electrolyte structure is essential to enhance the performance of AZIBs.In this review,the electrolyte structure model of AZIBs is systematically analyzed,and the electrolyte structure is divided into three parts:solvation structure,hydrogen bond network,and electrolyte/zinc anode interface.Aiming at the solvation structure in the electrolyte,the solvation structure control strategy of the electrolyte was summarized from the aspects of electrolyte concentration control,additive engineering,and solid-state design.This work provides directional guidance for scientists to further study and improve the comprehensive performance of AZIBs in the future.
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