Abstract

AbstractAqueous zinc‐ion batteries (ZIBs) have been regarded as a promising candidate for the next‐generation energy‐storage devices due to their intrinsic safety, low cost, resource abundance, and environmental friendliness. Nevertheless, the commercial applications of ZIBs have been largely plagued by the instability of the Zn anodes. Interfacial engineering arises as a straightforward and effective method to address the instability issues for the development of high‐performance ZIBs. In this review, a comprehensive overview of recent progress and perspective in interfacial engineering techniques to stabilize Zn anodes in ZIBs is presented. With emphasis on the critical issues regarding the instability problems, including Zn dendrites, hydrogen evolution reaction (HER), corrosion and passivation, the major effects and the underlying mechanisms are analyzed, and the corresponding interfacial engineering strategies as well as analytical technologies are summarized. The existing challenges and opportunities in interfacial engineering are also prospected for the future development of high‐performance ZIBs.

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