Anions Regulation Engineering Enables a Highly Reversible and Dendrite-Free Nickel-Metal Anode with Ultrahigh Capacities
© 2023 Wiley-VCH GmbH..
The development of safe and high-energy metal anodes represents a crucial research direction. Here, the achievement of highly reversible, dendrite-free transition metal anodes with ultrahigh capacities by regulating aqueous electrolytes is reported. Using nickel (Ni) as a model, theoretical and experimental evidence demonstrating the beneficial role of chloride ions in inhibiting and disrupting the nickel hydroxide passivation layer on the Ni electrode is provided. As a result, Ni anodes with an ultrahigh areal capacity of 1000 mAh cm-2 (volumetric capacity of ≈6000 mAh cm-3 ), and a Coulombic efficiency of 99.4% on a carbon substrate, surpassing the state-of-the-art metal electrodes by approximately two orders of magnitude, are realized. Furthermore, as a proof-of-concept, a series of full cells based on the Ni anode is developed. The designed Ni-MnO2 full battery exhibits a long lifespan of 2000 cycles, while the Ni-PbO2 full battery achieves a high areal capacity of 200 mAh cm-2 . The findings of this study are important for enlightening a new arena toward the advancement of dendrite-free Ni-metal anodes with ultrahigh capacities and long cycle life for various energy-storage devices.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:35 |
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| Enthalten in: |
Advanced materials (Deerfield Beach, Fla.) - 35(2023), 42 vom: 17. Okt., Seite e2305368 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Wang, Mingming [VerfasserIn] |
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| Links: |
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| Themen: |
Electrolyte regulation |
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| Anmerkungen: |
Date Revised 20.10.2023 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1002/adma.202305368 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a The development of safe and high-energy metal anodes represents a crucial research direction. Here, the achievement of highly reversible, dendrite-free transition metal anodes with ultrahigh capacities by regulating aqueous electrolytes is reported. Using nickel (Ni) as a model, theoretical and experimental evidence demonstrating the beneficial role of chloride ions in inhibiting and disrupting the nickel hydroxide passivation layer on the Ni electrode is provided. As a result, Ni anodes with an ultrahigh areal capacity of 1000 mAh cm-2 (volumetric capacity of ≈6000 mAh cm-3 ), and a Coulombic efficiency of 99.4% on a carbon substrate, surpassing the state-of-the-art metal electrodes by approximately two orders of magnitude, are realized. Furthermore, as a proof-of-concept, a series of full cells based on the Ni anode is developed. The designed Ni-MnO2 full battery exhibits a long lifespan of 2000 cycles, while the Ni-PbO2 full battery achieves a high areal capacity of 200 mAh cm-2 . The findings of this study are important for enlightening a new arena toward the advancement of dendrite-free Ni-metal anodes with ultrahigh capacities and long cycle life for various energy-storage devices | ||
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| 650 | 4 | |a Ni-metal batteries | |
| 650 | 4 | |a electrolyte regulation | |
| 650 | 4 | |a metal electroplating/stripping | |
| 650 | 4 | |a ultrahigh capacities | |
| 700 | 1 | |a Meng, Yahan |e verfasserin |4 aut | |
| 700 | 1 | |a Gao, Pengfei |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Ke |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Zaichun |e verfasserin |4 aut | |
| 700 | 1 | |a Zhu, Zhengxin |e verfasserin |4 aut | |
| 700 | 1 | |a Ali, Mohsin |e verfasserin |4 aut | |
| 700 | 1 | |a Ahmad, Touqeer |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Na |e verfasserin |4 aut | |
| 700 | 1 | |a Yuan, Yuan |e verfasserin |4 aut | |
| 700 | 1 | |a Xu, Yan |e verfasserin |4 aut | |
| 700 | 1 | |a Chuai, Mingyan |e verfasserin |4 aut | |
| 700 | 1 | |a Sun, Jifei |e verfasserin |4 aut | |
| 700 | 1 | |a Zheng, Xinhua |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Xingxing |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, Jinlong |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Wei |e verfasserin |4 aut | |
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