Citation: Jie LEI, Xingfu YANG, Xiaoning TANG, Xu ZENG, Jie WEN, An XUE. Construction of highly stable zinc anodes induced by polyhydroxy inositol additives[J]. Chinese Journal of Inorganic Chemistry, ;2026, 42(8): 1627-1636. doi: 10.11862/CJIC.20260084 shu

Construction of highly stable zinc anodes induced by polyhydroxy inositol additives

Jie LEI ¹ ,
Xingfu YANG ¹ ,
Xiaoning TANG ^1,, ,
Xu ZENG ¹ ,
Jie WEN ¹ ,
An XUE ^2,,

1.
School of Materials and Metallurgy, Guizhou University, Guiyang 550025, China
2.
School of Materials and Architectural Engineering, Guizhou Normal University, Guiyang 550025, China

Corresponding author: Xiaoning TANG, xntang@gzu.edu.cn An XUE, xuean1129@163.com
Received Date: 13 March 2026
Revised Date: 7 July 2026

Figures(5)

Herein, inspired by the zincophilicity of the multiple hydroxyl groups in inositol, inositol serves as an electrolyte additive for aqueous zinc-ion batteries (AZIBs) to prepare a composite electrolyte composed of ZnSO₄ and inositol (denoted as ZSO+inositol) to achieve a highly stable Zn anode. The polar hydroxyl groups of inositol exhibited excellent zincophilicity, enabling it to participate in the regulation and reconstruction of the Zn²⁺ solvation structure. This regulation optimizes the coordination environment of Zn²⁺, effectively reduces the water activity on the electrode/electrolyte interface, and suppresses side reactions. Meanwhile, inositol preferentially adsorbs on the Zn anode surface, which improves the electrolyte-electrode wettability and enhances the stability of the electrode/electrolyte interface. Furthermore, inositol provides abundant active sites for Zn²⁺ migration, significantly enhancing the diffusion kinetics of Zn²⁺ and effectively increasing the Zn²⁺ transference number. Consequently, the Zn||Zn symmetric battery assembled with the ZSO+inositol electrolyte achieved stable cycling for up to 2 000 h at 1 mA·cm^-2. The Zn||Cu asymmetric battery delivered an average Coulombic efficiency of 99.7% after 1 000 cycles. Additionally, the Zn||ZVO (Zn₃V₃O₈) full battery exhibited excellent electrochemical performance, retaining a capacity of 72.7 mAh·g^-1 after 1 000 cycles.
- inositol,
- hydroxyl group,
- electrolyte additive,
- aqueous zinc-ion battery,
- Zn anode
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