Issue 8, 2024

Recent progress in aluminum anodes for high-performance rechargeable aqueous Al-ion batteries

Abstract

The growing market for electric vehicles and upcoming grid-scale storage systems is spurring the development of renewable energy storage technologies. Rechargeable aqueous aluminum-ion batteries (AIBs) are considered ideal for large-scale energy storage because of their cost-competitiveness, simplicity of manufacturing, eco-friendliness, high intrinsic safety, and high theoretical energy density. In addition, AIBs use aluminum as a raw material, which is the most abundant metal in the Earth's crust. However, metallic aluminum anodes exhibit poor thermodynamic stability in solutions because of self-corrosion, surface passivation, and hydrogen precipitation reactions. These factors considerably limit their electrochemical performance and impede the further development of AIBs. This review discusses the recent advances in the anode materials used in AIBs. We first briefly describe the energy storage mechanisms and challenges faced by various AIB anodes, including aluminum metal anodes, alloy anodes, and intercalated anodes. Subsequently, we summarize the interactions between the structures and reaction mechanisms of different anode materials, which have been used to prevent the passivation and corrosion of metallic aluminum anodes. Finally, we present the key challenges and future research perspectives for optimizing aluminum anodes to enhance the performance of AIBs.

Graphical abstract: Recent progress in aluminum anodes for high-performance rechargeable aqueous Al-ion batteries

Article information

Article type
Review Article
Submitted
21 фев 2024
Accepted
20 мар 2024
First published
21 мар 2024

Inorg. Chem. Front., 2024,11, 2246-2259

Recent progress in aluminum anodes for high-performance rechargeable aqueous Al-ion batteries

L. Li, S. Jia, Y. Shi, C. Wang, H. Qiu, Y. Ji, M. Cao and D. Zhang, Inorg. Chem. Front., 2024, 11, 2246 DOI: 10.1039/D4QI00468J

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