Aligned Dipoles Induced Electric-Field Promoting Zinc-Ion De-Solvation toward Highly Stable Dendrite-Free Zinc-Metal Batteries
© 2023 Wiley-VCH GmbH..
Water-induced parasitic reactions and uncontrolled dendritic Zn growth are long-lasting tricky problems that severely hinder the development of aqueous zinc-metal batteries. Those notorious issues are closely related to electrolyte configuration and zinc-ion transport behavior. Herein, through constructing aligned dipoles induced electric-field on Zn surface, both the solvation structure and transport behavior of zinc-ions are fundamentally changed. The vertically ordered zinc-ion migration trajectory and gradually concentrated zinc-ion achieved inside the polarized electric-field remarkably eliminate water related side-reactions and Zn dendrites. Zn-metal under the polarized electric-field demonstrated significantly improve reversibility and a dendrite-free surface with strong (002) Zn deposition texturing. Zn||Zn symmetric cell delivers greatly prolonged lifespan up to 1400 h (17 times longer than that of the cell based on bare Zn) while the Zn||Cu half-cell demonstrate ultrahigh 99.9% coulombic efficiency. NH4 V4 O10 ||Zn half-cell delivered exceptional-high 132 mAh g-1 capacity after ultralong 2000 cycles (≈100% capacity retention). In addition, MnO2 ||Zn pouch-cell under aligned dipoles induced electric-field maintains 87.9% capacity retention after 150 cycles under practical condition of high MnO2 mass loading (≈10 mg cm-2 ) and limited N/P ratio. It is considered that this new strategy can also be implemented to other metallic batteries and spur the development of batteries with long-lifespan and high-energy-density.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:19 |
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| Enthalten in: |
Small (Weinheim an der Bergstrasse, Germany) - 19(2023), 49 vom: 20. Dez., Seite e2303457 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Zhou, Shuang [VerfasserIn] |
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| Links: |
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| Themen: |
Aqueous zinc batteries |
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| Anmerkungen: |
Date Revised 08.12.2023 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1002/smll.202303457 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
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| 520 | |a Water-induced parasitic reactions and uncontrolled dendritic Zn growth are long-lasting tricky problems that severely hinder the development of aqueous zinc-metal batteries. Those notorious issues are closely related to electrolyte configuration and zinc-ion transport behavior. Herein, through constructing aligned dipoles induced electric-field on Zn surface, both the solvation structure and transport behavior of zinc-ions are fundamentally changed. The vertically ordered zinc-ion migration trajectory and gradually concentrated zinc-ion achieved inside the polarized electric-field remarkably eliminate water related side-reactions and Zn dendrites. Zn-metal under the polarized electric-field demonstrated significantly improve reversibility and a dendrite-free surface with strong (002) Zn deposition texturing. Zn||Zn symmetric cell delivers greatly prolonged lifespan up to 1400 h (17 times longer than that of the cell based on bare Zn) while the Zn||Cu half-cell demonstrate ultrahigh 99.9% coulombic efficiency. NH4 V4 O10 ||Zn half-cell delivered exceptional-high 132 mAh g-1 capacity after ultralong 2000 cycles (≈100% capacity retention). In addition, MnO2 ||Zn pouch-cell under aligned dipoles induced electric-field maintains 87.9% capacity retention after 150 cycles under practical condition of high MnO2 mass loading (≈10 mg cm-2 ) and limited N/P ratio. It is considered that this new strategy can also be implemented to other metallic batteries and spur the development of batteries with long-lifespan and high-energy-density | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Zn anodes | |
| 650 | 4 | |a Zn corrosion | |
| 650 | 4 | |a Zn-ion solvation chemistry | |
| 650 | 4 | |a aqueous zinc batteries | |
| 650 | 4 | |a dendrite growth | |
| 700 | 1 | |a Meng, Xinyu |e verfasserin |4 aut | |
| 700 | 1 | |a Fu, Chunyan |e verfasserin |4 aut | |
| 700 | 1 | |a Xu, Dongming |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Jianwen |e verfasserin |4 aut | |
| 700 | 1 | |a He, Qiong |e verfasserin |4 aut | |
| 700 | 1 | |a Lin, Shangyong |e verfasserin |4 aut | |
| 700 | 1 | |a Liang, Shuquan |e verfasserin |4 aut | |
| 700 | 1 | |a Chang, Zhi |e verfasserin |4 aut | |
| 700 | 1 | |a Pan, Anqiang |e verfasserin |4 aut | |
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