脯氨酸衍生物电解质添加剂对水系锌离子电池性能的影响

doi:10.19976/j.cnki.43-1448/TF.2025091

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Abstract The serious calendar aging and cyclic attenuation of aqueous zinc-ion batteries restrict its industrial application. In this study, 4-fluoroproline additive was introduced into the electrolyte. The effects of additives on battery performance were systematically analyzed by immersion corrosion test, symmetric/asymmetric battery cycle and spectral characterization. The results show that the fluoroproline additive can significantly buffer the pH change, inhibit the formation of zinc dendrites and by-products, and remain the coulombic efficiency of Zn//Cu battery above 99.4% after multiple standing-cycle. The cycle life of Zn//Zn symmetrical battery at 1 mA/cm² and 1 mAh/cm² is prdonged to more than 770 h, which is about 6 times that of the control group. The zwitterionic groups of fluoroproline participate in proton regulation and reconstruct the hydrogen bond network, which can improve the wettability and stability of the interface. This study provides an effective electrolyte regulation strategy for the development of high-stability aqueous zinc batteries.

Key words： aqueous battery Zn-ion electrolyte additive calendar aging cycling performance proline derivative

Received: 04 January 2026 Published: 03 July 2026

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	LIANG Lixin
	ZHAO Yan
	LI Tianchen
	LIAO Tao
	CAO Yuankui
	LIU Bin

Cite this article:

LIANG Lixin,ZHAO Yan,LI Tianchen, et al. Effect of proline derivative electrolyte additives on the performance of aqueous zinc-ion batteries[J]. Materials Science and Engineering of Powder Metallurgy, 2026, 31(3): 236-244.

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http://pmbjb.csu.edu.cn/EN/10.19976/j.cnki.43-1448/TF.2025091 OR http://pmbjb.csu.edu.cn/EN/Y2026/V31/I3/236

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