Eutectic Crystallization Activates Solid-State Zinc-Ion Conduction
© 2021 Wiley-VCH GmbH..
Solid-state zinc (Zn) batteries offer a new candidate for emerging applications sensitive to volume, safety and cost. However, current solid polymeric or ceramic electrolyte structures remain poorly conductive for the divalent Zn2+ , especially at room temperature. Constructing a heterogeneous interface which allows Zn2+ percolation is a viable option, but this is rarely involved in multivalent systems. Herein, we construct a solid Zn2+ -ion conductor by inducing crystallization of tailored eutectic liquids formed by organic Zn salts and bipolar ligands. High-entropy eutectic-networks weaken the ion-association and form interfacial Zn2+ -percolated channels on the nucleator surfaces, resulting in a solid crystal with exceptional selectivity for Zn2+ transport (t Zn 2 + =0.64) and appreciable Zn2+ conductivity (σ Zn 2 + =3.78×10-5 S cm-1 at 30 °C, over 2 orders of magnitude higher than conventional polymers), and finally enabling practical ambient-temperature Zn/V2 O5 metal solid cells. This design principle leveraged by the eutectic solidification affords new insights on the multivalent solid electrochemistry suffering from slow ion migration.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:61 |
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| Enthalten in: |
Angewandte Chemie (International ed. in English) - 61(2022), 2 vom: 10. Jan., Seite e202113086 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Qiu, Huayu [VerfasserIn] |
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| Links: |
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| Themen: |
Crystallized Zn2+ conductors |
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| Anmerkungen: |
Date Revised 04.01.2022 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1002/anie.202113086 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a © 2021 Wiley-VCH GmbH. | ||
| 520 | |a Solid-state zinc (Zn) batteries offer a new candidate for emerging applications sensitive to volume, safety and cost. However, current solid polymeric or ceramic electrolyte structures remain poorly conductive for the divalent Zn2+ , especially at room temperature. Constructing a heterogeneous interface which allows Zn2+ percolation is a viable option, but this is rarely involved in multivalent systems. Herein, we construct a solid Zn2+ -ion conductor by inducing crystallization of tailored eutectic liquids formed by organic Zn salts and bipolar ligands. High-entropy eutectic-networks weaken the ion-association and form interfacial Zn2+ -percolated channels on the nucleator surfaces, resulting in a solid crystal with exceptional selectivity for Zn2+ transport (t Zn 2 + =0.64) and appreciable Zn2+ conductivity (σ Zn 2 + =3.78×10-5 S cm-1 at 30 °C, over 2 orders of magnitude higher than conventional polymers), and finally enabling practical ambient-temperature Zn/V2 O5 metal solid cells. This design principle leveraged by the eutectic solidification affords new insights on the multivalent solid electrochemistry suffering from slow ion migration | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a crystallized Zn2+ conductors | |
| 650 | 4 | |a eutectic crystallization | |
| 650 | 4 | |a interfacial conduction | |
| 650 | 4 | |a ionic conductivity | |
| 650 | 4 | |a solid-state batteries | |
| 700 | 1 | |a Hu, Rongxiang |e verfasserin |4 aut | |
| 700 | 1 | |a Du, Xiaofan |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Zhou |e verfasserin |4 aut | |
| 700 | 1 | |a Zhao, Jingwen |e verfasserin |4 aut | |
| 700 | 1 | |a Lu, Guoli |e verfasserin |4 aut | |
| 700 | 1 | |a Jiang, Meifang |e verfasserin |4 aut | |
| 700 | 1 | |a Kong, Qingyu |e verfasserin |4 aut | |
| 700 | 1 | |a Yan, Yiyuan |e verfasserin |4 aut | |
| 700 | 1 | |a Du, Junzhe |e verfasserin |4 aut | |
| 700 | 1 | |a Zhou, Xinhong |e verfasserin |4 aut | |
| 700 | 1 | |a Cui, Guanglei |e verfasserin |4 aut | |
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