A Heteroanionic Zinc Ion Conductor for Dendrite-Free Zn Metal Anodes

© 2023 Wiley-VCH GmbH.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 35(2023), 18 vom: 22. Mai, Seite e2300195
1. Verfasser: Zhao, Siwei (VerfasserIn)
Weitere Verfasser: Zhang, Yujing, Li, Jidao, Qi, Limin, Tang, Yuxin, Zhu, Jia, Zhi, Jian, Huang, Fuqiang
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2023
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article anodization mixed anion compounds zinc anode protection zinc ion conductors
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520 |a Although zinc-based batteries are promising candidates for eco-friendly and cost-effective energy storage devices, their performance is severely retarded by dendrite formation. As the simplest zinc compounds, zinc chalcogenides, and halides are individually applied as a Zn protection layer due to high zinc ion conductivity. However, the mixed-anion compounds are not studied, which constrains the Zn2+ diffusion in single-anion lattices to their own limits. A heteroanionic zinc ion conductor (Zny O1- x Fx ) coating layer is designed by in situ growth method with tunable F content and thickness. Strengthened by F aliovalent doping, the Zn2+ conductivity is enhanced within the wurtzite motif for rapid lattice Zn migration. Zny O1- x Fx also affords zincophilic sites for oriented superficial Zn plating to suppress dendrite growth. Therefore, Zny O1- x Fx -coated anode exhibits a low overpotential of 20.4 mV for 1000 h cycle life at a plating capacity of 1.0 mA h cm-2 during symmetrical cell test. The MnO2 //Zn full battery further proves high stability of 169.7 mA h g-1 for 1000 cycles. This work may enlighten the mixed-anion tuning for high-performance Zn-based energy storage devices 
650 4 |a Journal Article 
650 4 |a anodization 
650 4 |a mixed anion compounds 
650 4 |a zinc anode protection 
650 4 |a zinc ion conductors 
700 1 |a Zhang, Yujing  |e verfasserin  |4 aut 
700 1 |a Li, Jidao  |e verfasserin  |4 aut 
700 1 |a Qi, Limin  |e verfasserin  |4 aut 
700 1 |a Tang, Yuxin  |e verfasserin  |4 aut 
700 1 |a Zhu, Jia  |e verfasserin  |4 aut 
700 1 |a Zhi, Jian  |e verfasserin  |4 aut 
700 1 |a Huang, Fuqiang  |e verfasserin  |4 aut 
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773 1 8 |g volume:35  |g year:2023  |g number:18  |g day:22  |g month:05  |g pages:e2300195 
856 4 0 |u http://dx.doi.org/10.1002/adma.202300195  |3 Volltext 
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