Insight on Cathodes Chemistry for Aqueous Zinc-Ion Batteries: From Reaction Mechanisms, Structural Engineering, and Modification Strategies

Anni Liu, Feng Wu, Yixin Zhang, Jiahui Zhou, Yaozong Zhou, Man Xie*

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

44 Citations (Scopus)

Abstract

By virtue of low cost, eco-friendliness, competitive gravimetric energy density, and intrinsic safety, more and more attention has increasingly focused on aqueous zinc ion batteries (AZIBs) as a promising alternative for scalable energy storage. However, plagued by a complex interfacial process, sluggish dynamics, lability of electrodes and electrolytes, insufficient energy density, and poor cycle life heavily restrict practical applications of AZIBs, indicating that profound understandings on cathode storage chemistry are necessarily needed. Hence, this paper comprehensively summarizes recent advance in cathodes with critical insight on the energy storage mechanism. Furthermore, the issues and challenges for high-performance cathodes are meticulously explored, presenting inspiring structural engineering and modification strategies. Finally, rational evaluations on representative cathodes are rendered, suggesting the potential development direction of AZIBs.

Original languageEnglish
Article number2201011
JournalSmall
Volume18
Issue number28
DOIs
Publication statusPublished - 14 Jul 2022

Keywords

  • aqueous zinc-ion batteries
  • cathodes structural engineering
  • energy storage mechanisms
  • modification strategies

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