Issue 9, 2024

Advancements in aqueous zinc–iodine batteries: a review

Abstract

Aqueous zinc-iodine batteries stand out as highly promising energy storage systems owing to the abundance of resources and non-combustible nature of water coupled with their high theoretical capacity. Nevertheless, the development of aqueous zinc-iodine batteries has been impeded by persistent challenges associated with iodine cathodes and Zn anodes. Key obstacles include the shuttle effect of polyiodine and the sluggish kinetics of cathodes, dendrite formation, the hydrogen evolution reaction (HER), and the corrosion and passivation of anodes. Numerous strategies aimed at addressing these issues have been developed, including compositing with carbon materials, using additives, and surface modification. This review provides a recent update on various strategies and perspectives for the development of aqueous zinc-iodine batteries, with a particular emphasis on the regulation of I2 cathodes and Zn anodes, electrolyte formulation, and separator modification. Expanding upon current achievements, future initiatives for the development of aqueous zinc-iodine batteries are proposed, with the aim of advancing their commercial viability.

Graphical abstract: Advancements in aqueous zinc–iodine batteries: a review

Article information

Article type
Review Article
Submitted
16 Nov 2023
Accepted
22 Jan 2024
First published
24 Jan 2024
This article is Open Access

All publication charges for this article have been paid for by the Royal Society of Chemistry
Creative Commons BY-NC license

Chem. Sci., 2024,15, 3071-3092

Advancements in aqueous zinc–iodine batteries: a review

Z. Bai, G. Wang, H. Liu, Y. Lou, N. Wang, H. Liu and S. Dou, Chem. Sci., 2024, 15, 3071 DOI: 10.1039/D3SC06150G

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