Abstract
Aqueous zinc metal batteries (AZMBs) have been studied as feasible alternatives for lithium-ion batteries due to their numerous advantages including relatively high safety, cost efficiency, abundant sources, and water compatibility. Despite the remarkable merits of AZMBs, the Zn dendrite growth and severe side reactions such as Zn corrosion and hydrogen evolution reaction (HER) can easily occur on the Zn surface, which has been considered as a critical problem that provokes short circuits and ultimately leads to AZMB failures. To effectively alleviate these drawbacks, innumerable methodologies focusing on the surface modification of Zn anodes were investigated. In this paper, two representative surface modification strategies ((1) the construction of artificial solid electrolyte interphase of Zn anode, (2) the introduction of uniform Zn electrodeposition inducing layer on the Zn surface) for solving the Zn anodic problems will be reviewed in various aspects.
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