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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202101845
|2 doi
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|a pubmed25n1093.xml
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|a (DE-627)NLM327964707
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|a (NLM)34250646
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|a DE-627
|b ger
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|e rakwb
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|a eng
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| 100 |
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|a Chen, Zheng-Jie
|e verfasserin
|4 aut
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|a Engineering Microdomains of Oxides in High-Entropy Alloy Electrodes toward Efficient Oxygen Evolution
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|c 2021
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 17.08.2021
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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 One important goal of the current electrocatalysis is to develop integrated electrodes from the atomic level design to multilevel structural engineering in simple ways and low prices. Here, a series of oxygen micro-alloyed high-entropy alloys (O-HEAs) is developed via a metallurgy approach. A (CrFeCoNi)97 O3 bulk O-HEA shows exceptional electrocatalytic performance for the oxygen evolution reaction (OER), reaching an overpotential as low as 196 mV and a Tafel slope of 29 mV dec-1 , and with stability longer than 120 h in 1 m KOH solution at a current density of 10 mA cm-2 . It is shown that the enhanced OER performance can be attributed to the formation of island-like Cr2 O3 microdomains, the leaching of Cr3+ ions, and structural amorphization at the interfaces of the domains. These findings offer a technological-orientated strategy to integrated electrodes
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|a Journal Article
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|a amorphization
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|a integrated oxygen evolution reaction electrodes
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|a oxygen micro-alloyed high-entropy alloys
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|a Zhang, Tao
|e verfasserin
|4 aut
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| 700 |
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|a Gao, Xiao-Yu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Huang, Yong-Jiang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Qin, Xiao-Hui
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Yi-Fan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhao, Kai
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Peng, Xu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Cheng
|e verfasserin
|4 aut
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| 700 |
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|a Liu, Lin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zeng, Ming-Hua
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yu, Hai-Bin
|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), 33 vom: 16. Aug., Seite e2101845
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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| 773 |
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|g volume:33
|g year:2021
|g number:33
|g day:16
|g month:08
|g pages:e2101845
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|u http://dx.doi.org/10.1002/adma.202101845
|3 Volltext
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