A Zeolitic-Imidazole Frameworks-Derived Interconnected Macroporous Carbon Matrix for Efficient Oxygen Electrocatalysis in Rechargeable Zinc-Air Batteries
© 2020 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim..
Nanostructures derived from zeolitic-imidazole frameworks (ZIFs) gain much interest in bifunctional oxygen electrocatalysis. However, they are not satisfied well for long-life rechargeable zinc-air batteries due to the limited single particle morphology. Herein, the preparation of an interconnected macroporous carbon matrix with a well-defined 3D architecture by the pyrolysis of silica templated ZIF-67 assemblies is reported. The matrix catalyst assembled zinc-air battery exhibits a high power density of 221.1 mW cm-2 as well as excellent stability during 500 discharging/charging cycles, surpassing that of a commercial Pt/C assembled battery. The synergistic effect from the interconnected macroporous structure together with abundant cobalt-nitrogen-carbon active sites justify the excellent electrocatalytic activity and battery performance. Considering the advanced nanostructures and performance, the as-synthesized hybrid would be promising for rechargeable zinc-air batteries and other energy technologies. This work may also provide significant concept in the view of electrocatalysis design for long-life battery.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2020 |
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| Erschienen: |
2020 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:32 |
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| Enthalten in: |
Advanced materials (Deerfield Beach, Fla.) - 32(2020), 28 vom: 02. Juli, Seite e2002170 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Douka, Abdoulkader Ibro [VerfasserIn] |
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| Links: |
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| Themen: |
Journal Article |
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| Anmerkungen: |
Date Revised 30.09.2020 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1002/adma.202002170 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM310645646 |
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| 245 | 1 | 2 | |a A Zeolitic-Imidazole Frameworks-Derived Interconnected Macroporous Carbon Matrix for Efficient Oxygen Electrocatalysis in Rechargeable Zinc-Air Batteries |
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| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a © 2020 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. | ||
| 520 | |a Nanostructures derived from zeolitic-imidazole frameworks (ZIFs) gain much interest in bifunctional oxygen electrocatalysis. However, they are not satisfied well for long-life rechargeable zinc-air batteries due to the limited single particle morphology. Herein, the preparation of an interconnected macroporous carbon matrix with a well-defined 3D architecture by the pyrolysis of silica templated ZIF-67 assemblies is reported. The matrix catalyst assembled zinc-air battery exhibits a high power density of 221.1 mW cm-2 as well as excellent stability during 500 discharging/charging cycles, surpassing that of a commercial Pt/C assembled battery. The synergistic effect from the interconnected macroporous structure together with abundant cobalt-nitrogen-carbon active sites justify the excellent electrocatalytic activity and battery performance. Considering the advanced nanostructures and performance, the as-synthesized hybrid would be promising for rechargeable zinc-air batteries and other energy technologies. This work may also provide significant concept in the view of electrocatalysis design for long-life battery | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a macroporous carbon | |
| 650 | 4 | |a oxygen electrocatalysts | |
| 650 | 4 | |a zeolitic-imidazole frameworks | |
| 650 | 4 | |a zinc-air batteries | |
| 700 | 1 | |a Xu, Yangyang |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, Huan |e verfasserin |4 aut | |
| 700 | 1 | |a Zaman, Shahid |e verfasserin |4 aut | |
| 700 | 1 | |a Yan, Ya |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Hongfang |e verfasserin |4 aut | |
| 700 | 1 | |a Salam, Manzola Abdou |e verfasserin |4 aut | |
| 700 | 1 | |a Xia, Bao Yu |e verfasserin |4 aut | |
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