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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202203442
|2 doi
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|a pubmed24n1143.xml
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|a (DE-627)NLM343180073
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|a (NLM)35797421
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Zhao, Yafei
|e verfasserin
|4 aut
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|a Exposing Single Ni Atoms in Hollow S/N-Doped Carbon Macroporous Fibers for Highly Efficient Electrochemical Oxygen Evolution
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|c 2022
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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 07.09.2022
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2022 Wiley-VCH GmbH.
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|a The development of efficient and cost-effective electrocatalysts toward the oxygen evolution reaction (OER) is highly desirable for clean energy and fuel conversion. Herein, the facile preparation of Ni single atoms embedded hollow S/N-doped carbon macroporous fibers (Ni SAsS/N-CMF) as efficient catalysts for OER through pyrolysis of designed CdS-NiSx /polyacrylonitrile composite fibers is reported. Specifically, CdS provides the sulfur source for the doping of polyacrylonitrile-derived carbon matrix and simultaneously creates the hollow macroporous structure, while NiSx is first reduced to nanoparticles and finally evolves into single Ni atoms through the atom migration-trapping strategy. Benefiting from the abundantly exposed single Ni atoms and hollow macroporous structure, the resultant Ni SAs@S/N-CMF electrocatalysts deliver outstanding activity and stability for OER. Specifically, it needs an overpotential of 285 mV to achieve the benchmark current density of 10 mA cm-2 with a small Tafel slope of 50.8 mV dec-1
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|a Journal Article
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|a S/N-doped carbon fibers
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|a macroporous materials
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|a oxygen evolution reaction
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|a single Ni atoms
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|a Guo, Yan
|e verfasserin
|4 aut
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1 |
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|a Lu, Xue Feng
|e verfasserin
|4 aut
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| 700 |
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|a Luan, Deyan
|e verfasserin
|4 aut
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| 700 |
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|a Gu, Xiaojun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lou, Xiong Wen David
|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 34(2022), 35 vom: 01. Sept., Seite e2203442
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:34
|g year:2022
|g number:35
|g day:01
|g month:09
|g pages:e2203442
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|u http://dx.doi.org/10.1002/adma.202203442
|3 Volltext
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