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Aqueous zinc-ion batteries (ZIBs) have emerged as a promising next-generation energy storage system for grid-scale applications, owing to their merits of low cost, high safety, and environmental compatibility. However, aqueous ZIBs still face critical challenges during cycling, including uncontrollable interfacial reactions (e.g., zinc dendrite growth, hydrogen evolution reaction (HER), and corrosion) as well as structural degradation of the electrodes. Compared with modifications on electrolyte and electrode materials, optimizations through external fields remain a relatively underexplored but highly promising avenue to solve above issues. Thereby, the external-field-assisted electrochemical processes greatly enhance the capacity utilization and cycling stability of aqueous ZIBs. This review elucidates the mechanisms by which the external fields (i.e., light fields, temperature fields, pressure fields, electric fields, and magnetic fields) enhance ZIBs electrochemical performance, and then summarizes the latest progress and challenges in this field. Finally, we propose forward-looking perspectives on the external field regulation of ZIBs for the future development of sustainable and durable energy storage systems.
Han et al. (Fri,) studied this question.