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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202101038
|2 doi
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|a pubmed24n1082.xml
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|a (DE-627)NLM324676271
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|a (NLM)33914371
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|a DE-627
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|a eng
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|a Xie, Xiaoying
|e verfasserin
|4 aut
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|a MIL-101-Derived Mesoporous Carbon Supporting Highly Exposed Fe Single-Atom Sites as Efficient Oxygen Reduction Reaction Catalysts
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|c 2021
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|a Text
|b txt
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Revised 09.06.2021
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2021 Wiley-VCH GmbH.
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|a Fe single-atom catalysts (Fe SACs) with atomic FeNx active sites are very promising alternatives to platinum-based catalysts for the oxygen reduction reaction (ORR). The pyrolysis of metal-organic frameworks (MOFs) is a common approach for preparing Fe SACs, though most MOF-derived catalysts reported to date are microporous and thus suffer from poor mass transfer and a high proportion of catalytically inaccessible FeNx active sites. Herein, NH2 -MIL-101(Al), a MOF possessing a mesoporous cage architecture, is used as the precursor to prepare a series of N-doped carbon supports (denoted herein as NC-MIL101-T) with a well-defined mesoporous structure at different pyrolysis temperatures. The NC-MIL101-T supports are then impregnated with a Fe(II)-phenanthroline complex, and heated again to yield Fe SAC-MIL101-T catalysts rich in accessible FeNx single atom sites. The best performing Fe SAC-MIL101-1000 catalyst offers outstanding ORR activity in alkaline media, evidenced by an ORR half-wave potential of 0.94 V (vs RHE) in 0.1 m KOH, as well as excellent performance in both aqueous primary zinc-air batteries (a near maximum theoretical energy density of 984.2 Wh kgZn -1 ) and solid-state zinc-air batteries (a peak power density of 50.6 mW cm-2 and a specific capacity of 724.0 mAh kgZn -1 )
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|a Journal Article
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|a Fe single-atom catalysts
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|a MIL-101
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|a mesoporous carbon
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|a oxygen reduction reaction
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|a zinc-air batteries
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|a Peng, Lishan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Hongzhou
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Waterhouse, Geoffrey I N
|e verfasserin
|4 aut
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|a Shang, Lu
|e verfasserin
|4 aut
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| 700 |
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|a Zhang, Tierui
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 33(2021), 23 vom: 16. Juni, Seite e2101038
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:33
|g year:2021
|g number:23
|g day:16
|g month:06
|g pages:e2101038
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|u http://dx.doi.org/10.1002/adma.202101038
|3 Volltext
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