Laser-induced fluorine-containing coating on zinc anode surface for regulated Zn(002) deposition†

IF 6 2区材料科学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Materials Chemistry Frontiers Pub Date : 2025-03-01 DOI:10.1039/D5QM00063G

Yati Du, Kailing Sun, Liping Zheng, Yichun Xie, Shijun Liao and Tongye Wei

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Abstract

Dendrite formation and ongoing side reactions on the zinc anode are critical issues that hinder the application of zinc-ion batteries. Herein, a fluorine-containing carbon coating is applied to the zinc anode surface via laser irradiation. This coating enhanced the regulation of Zn²⁺ diffusion and nucleation behavior on the anode surface, promoting stable (002)-textured Zn deposition and reduction in side reactions. The strongly coupled coating enabled highly stable and reversible zinc stripping/plating for over 721 hours in Zn/Zn symmetric batteries at 5 mA cm⁻² and 2.5 mA h cm⁻². Moreover, the assembled full battery retained 80% of its initial capacity after 5500 cycles at a current density of 1 A g⁻¹. Thus, it was demonstrated that surface modification with fluorine-containing carbon can improve the stability and reversibility of Zn anodes, thus accelerating the commercialization of ZIBs.

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激光诱导含氟涂层在锌阳极表面的调节Zn（002）沉积†

锌阳极枝晶的形成和持续的副反应是阻碍锌离子电池应用的关键问题。本文通过激光照射在锌阳极表面涂上含氟碳涂层。该涂层增强了Zn2+在阳极表面扩散和成核行为的调控，促进了稳定的（002）织构Zn沉积和副反应的减少。强耦合涂层在5 mA cm - 2和2.5 mA h cm - 2的Zn/Zn对称电池中实现了高度稳定和可逆的锌剥离/电镀超过721小时。此外，在电流密度为1 a g−1的情况下，经过5500次循环后，组装的完整电池保留了80%的初始容量。由此可见，用含氟碳对锌阳极进行表面改性可以提高锌阳极的稳定性和可逆性，从而加速锌阳极的商业化。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Materials Chemistry Frontiers Materials Science-Materials Chemistry

CiteScore

12.00

自引率

2.90%

发文量

313

期刊介绍： Materials Chemistry Frontiers focuses on the synthesis and chemistry of exciting new materials, and the development of improved fabrication techniques. Characterisation and fundamental studies that are of broad appeal are also welcome. This is the ideal home for studies of a significant nature that further the development of organic, inorganic, composite and nano-materials.