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学者姓名:梁宇航
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Abstract :
Advanced interfacial engineering is essential to address key challenges such as dendrite formation, parasitic reactions, and sluggish electrochemical kinetics, in aqueous zinc-ion batteries. In this study, by using a facile self-assembly method, we developed an armor-like interfacial layer (ZSL) on the Zn surface, serving as both an ion re-distributor and a protective barrier. This compact interfacial layer exhibits suitable hydrophilic and zincophilic features, enabling consistent and uniform Zn2+ flux and reducing voltage polarization. The ZSL also enhances the de-solvation process, speeds up zinc deposition kinetics, and suppresses parasitic reactions induced by water decomposition. Furthermore, it decreases the surface energy, promoting planar deposition of Zn2+. As a result, the modified zinc anodes demonstrate exceptional cycling stability, maintaining a dendrite-free surface for >8000 h with minimal byproduct formation. The asymmetric cell utilizing ZSL@Zn anodes exhibits highly stable reversibility over 6000 cycles with an average Coulombic efficiency (CE) of 99.89 %. In full cells paired with Na2V6O163H(2)O (NVO) cathodes, the Zn-ion batteries exhibit excellent rate performance and long-term cycling durability. This work highlights the significant role of in-situ interfacial layers in achieving highly stable and reversible zinc anodes for large-scale zinc-ion battery applications.
Keyword :
Coordination polymers Coordination polymers Interfacial layer Interfacial layer Zinc dendrites Zinc dendrites Zn anode Zn anode Zn metal batteries Zn metal batteries
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GB/T 7714 | Yang, Tao , Shen, Tianyu , Liang, Yuhang et al. Synergistic regulation of de-solvation effect and planar deposition via in-situ interface engineering for ultra-stable dendrite-free Zn-ion batteries [J]. | ENERGY STORAGE MATERIALS , 2025 , 80 . |
MLA | Yang, Tao et al. "Synergistic regulation of de-solvation effect and planar deposition via in-situ interface engineering for ultra-stable dendrite-free Zn-ion batteries" . | ENERGY STORAGE MATERIALS 80 (2025) . |
APA | Yang, Tao , Shen, Tianyu , Liang, Yuhang , Fang, Miaojie , Wu, Hongbo , Sheng, Ouwei et al. Synergistic regulation of de-solvation effect and planar deposition via in-situ interface engineering for ultra-stable dendrite-free Zn-ion batteries . | ENERGY STORAGE MATERIALS , 2025 , 80 . |
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