期刊
ADVANCED ENERGY MATERIALS
卷 13, 期 28, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/aenm.202300606
关键词
aqueous zinc-ions batteries; artificial surface coating; controllable synthesis; electrolyte engineering; zinc anodes
Aqueous Zn-ion batteries have gained significant attention as a promising energy storage candidate due to their safety, cost-effectiveness, and eco-friendliness. However, the cycling stability of Zn metal anodes is a major challenge due to issues such as dendrite growth and hydrogen evolution. Interface engineering strategies, including controllable synthesis of Zn, surface engineering, electrolyte formulation, and separator design, have been developed to address these challenges. This review provides an update on these strategies and discusses future challenges and perspectives for the development of practical AZIBs.
Aqueous Zn-ion batteries (AZIBs) have attracted much attention due to their excellent safety, cost-effectiveness, and eco-friendliness thereby being considered as one of the most promising candidates for large-scale energy storage. Zn metal anodes with a high gravimetric/volumetric capacity are indispensable for advanced AZIBs. However, pristine Zn metal anodes encounter severe challenges in achieving adequate cycling stability, including dendrite growth, hydrogen evolution reaction, self-corrosion, and by-product formation. Because all these reactions are closely related to the electrolyte/Zn interface, the subtle interface engineering is important. Many strategies targeted to the interface engineering have been developed. In this review, a timely update on these strategies and perspectives are summarized, especially focusing on the controllable synthesis of Zn, Zn surface engineering, electrolyte formulation, and separator design. Furthermore, the corresponding internal principles of these strategies are clarified, which is helpful to help seek for new strategies. Finally, the challenges and perspectives for the future development of practical AZIBs are discussed, including the conducting of in advanced in situ testing, unification of battery models, some boundary issues, etc. This review is expected to guide the future development and provi beacon light direction for aqueous zinc ion batteries.
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