What question did this study set out to answer?

To explore the role of a hydroxylated zwitterion in stabilizing zinc-iodine batteries.

April 30, 2026Energy & Environmental Science2 citations

A Hydroxylated Zwitterion Enables Dual-Modal Synergy for Stable Zinc-Iodine Batteries

SCShengchao ChaiJilin University YZYuxin ZhuJilin University JLJunpeng LiJilin University

Key Points

To explore the role of a hydroxylated zwitterion in stabilizing zinc-iodine batteries.
Investigated the formation of soluble polyiodides at the cathode
Analyzed the migration effects on the zinc anode
Assessed active-material loss and zinc corrosion rates
Hydroxylated zwitterion decreased active-material loss in the battery
Showed reduction in zinc corrosion rates
Improved overall stability of the zinc-iodine battery system

Abstract

Aqueous zinc-iodine(Zn-I 2 ) batteries face a universal challenge: soluble polyiodides formed at the cathode migrate to the zinc anode, causing severe active-material loss and Zn corrosion. Here, we report a hydroxylated...

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