What question did this study set out to answer?

The research aims to develop a dual-function molecule that facilitates efficient electron conversion in aqueous zinc-iodine batteries.

February 8, 2026Open Access

A Dual-Function Molecule Enables Stable Four-Electron Conversion and Zn Deposition for High-Capacity Aqueous Zn-I 2 Batteries

HZHuiquan ZhangCapital Normal University XZXueying ZhangCapital Normal University DMDongmin MaCapital Normal University

Key Points

The research aims to develop a dual-function molecule that facilitates efficient electron conversion in aqueous zinc-iodine batteries.
Introduced L-lysine hydrochloride as a multifunctional additive.
Evaluated its effects on electron conversion and zinc deposition.
Conducted performance testing under various conditions.
Achieved stable four-electron conversion with the addition of LLH.
Enhanced zinc deposition led to improved battery capacity.
Improved performance metrics compared to conventional systems.

Abstract

Aqueous zinc-iodine batteries (ZIBs) are a promising energy storage technology due to the abundance of iodine, environmental friendliness, and low cost. This study introduces a multifunctional additive, L-lysine hydrochloride (LLH),...

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