Self-assembled hydrated copper coordination compounds as ionic conductors for room temperature solid-state batteries
© 2024. The Author(s)..
As the core component of solid-state batteries, neither current inorganic solid-state electrolytes nor solid polymer electrolytes can simultaneously possess satisfactory ionic conductivity, electrode compatibility and processability. By incorporating efficient Li+ diffusion channels found in inorganic solid-state electrolytes and polar functional groups present in solid polymer electrolytes, it is conceivable to design inorganic-organic hybrid solid-state electrolytes to achieve true fusion and synergy in performance. Herein, we demonstrate that traditional metal coordination compounds can serve as exceptional Li+ ion conductors at room temperature through rational structural design. Specifically, we synthesize copper maleate hydrate nanoflakes via bottom-up self-assembly featuring highly-ordered 1D channels that are interconnected by Cu2+/Cu+ nodes and maleic acid ligands, alongside rich COO- groups and structural water within the channels. Benefiting from the combination of ion-hopping and coupling-dissociation mechanisms, Li+ ions can preferably transport through these channels rapidly. Thus, the Li+-implanted copper maleate hydrate solid-state electrolytes shows remarkable ionic conductivity (1.17 × 10-4 S cm-1 at room temperature), high Li+ transference number (0.77), and a 4.7 V-wide operating window. More impressively, Li+-implanted copper maleate hydrate solid-state electrolytes are demonstrated to have exceptional compatibility with both cathode and Li anode, enabling long-term stability of more than 800 cycles. This work brings new insight on exploring superior room-temperature ionic conductors based on metal coordination compounds.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:15 |
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| Enthalten in: |
Nature communications - 15(2024), 1 vom: 05. Feb., Seite 1056 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Zhan, Xiao [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Revised 10.02.2024 published: Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1038/s41467-024-45372-2 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM368060993 |
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| 520 | |a © 2024. The Author(s). | ||
| 520 | |a As the core component of solid-state batteries, neither current inorganic solid-state electrolytes nor solid polymer electrolytes can simultaneously possess satisfactory ionic conductivity, electrode compatibility and processability. By incorporating efficient Li+ diffusion channels found in inorganic solid-state electrolytes and polar functional groups present in solid polymer electrolytes, it is conceivable to design inorganic-organic hybrid solid-state electrolytes to achieve true fusion and synergy in performance. Herein, we demonstrate that traditional metal coordination compounds can serve as exceptional Li+ ion conductors at room temperature through rational structural design. Specifically, we synthesize copper maleate hydrate nanoflakes via bottom-up self-assembly featuring highly-ordered 1D channels that are interconnected by Cu2+/Cu+ nodes and maleic acid ligands, alongside rich COO- groups and structural water within the channels. Benefiting from the combination of ion-hopping and coupling-dissociation mechanisms, Li+ ions can preferably transport through these channels rapidly. Thus, the Li+-implanted copper maleate hydrate solid-state electrolytes shows remarkable ionic conductivity (1.17 × 10-4 S cm-1 at room temperature), high Li+ transference number (0.77), and a 4.7 V-wide operating window. More impressively, Li+-implanted copper maleate hydrate solid-state electrolytes are demonstrated to have exceptional compatibility with both cathode and Li anode, enabling long-term stability of more than 800 cycles. This work brings new insight on exploring superior room-temperature ionic conductors based on metal coordination compounds | ||
| 650 | 4 | |a Journal Article | |
| 700 | 1 | |a Li, Miao |e verfasserin |4 aut | |
| 700 | 1 | |a Zhao, Xiaolin |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Yaning |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Sha |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Weiwei |e verfasserin |4 aut | |
| 700 | 1 | |a Lin, Jiande |e verfasserin |4 aut | |
| 700 | 1 | |a Nan, Zi-Ang |e verfasserin |4 aut | |
| 700 | 1 | |a Yan, Jiawei |e verfasserin |4 aut | |
| 700 | 1 | |a Sun, Zhefei |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Haodong |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Fei |e verfasserin |4 aut | |
| 700 | 1 | |a Wan, Jiayu |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Jianjun |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Qiaobao |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Li |e verfasserin |4 aut | |
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