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|a 10.1002/adma.202508982
|2 doi
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|a pubmed25n1602.xml
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|a eng
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|a He, Hangjuan
|e verfasserin
|4 aut
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|a High-Entropy Effect of Mesoporous Metal Oxides Promotes Tandem Catalysis for Efficient Ammonia Electrosynthesis from Nitrate
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|c 2025
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|a Text
|b txt
|2 rdacontent
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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 17.10.2025
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2025 Wiley‐VCH GmbH.
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|a Electrocatalytic nitrate reduction reaction (NO3 -RR) in water offers a sustainable alternative for robust electrosynthesis of value-added ammonia (NH3) in ambient conditions. However, NO3 -RR electrocatalysis generally involves two-step tandem routes and suffers from sluggish hydrodeoxygenation kinetics, which result in a low ammonia selectivity and yield rate. In this work, it is demonstrated that the high-entropy effect of mesoporous metal oxides remarkably decreases the energy barrier of the hydrodeoxygenation route and facilitates two-step tandem electrocatalysis of NO3 -RR, which thus promotes selective NH3 electrosynthesis in an alkaline condition. By comparing a series of high-entropy mesoporous metal oxides and corresponding metal alloys and monometallic counterparts, high-entropy mesoporous (CoMnFeNiCu)3O4 discloses the highest electrocatalytic performance for efficient NH3 electrosynthesis from NO3 -RR, including remarkable NH3 Faradaic efficiency of 96.3%, high NH3 yield rate of 1.83 mmol h-1 mg-1, and excellent recycling stability of 20 cycles, representing one of the best electrocatalysts reported in the past three years. Moreover, cathode NO3 -RR performance for selective NH3 electrosynthesis is enhanced when further coupled with the thermodynamically favorable benzyl alcohol oxidation reaction at the anode. It is expected that the high-entropy effect opens up a new route to design a library of novel tandem mesoporous metal electrocatalysts for the selective electrosynthesis of various valuable chemicals from wastewater
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|a Journal Article
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|a NH3 electrosynthesis
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|a high‐entropy material
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|a mesoporous oxide
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|a nitrate reduction
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|a tandem catalysis
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1 |
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|a Yao, Huiqin
|e verfasserin
|4 aut
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1 |
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|a Sun, Lizhi
|e verfasserin
|4 aut
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1 |
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|a Yang, Yuyang
|e verfasserin
|4 aut
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1 |
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|a Qiao, Zhen-An
|e verfasserin
|4 aut
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1 |
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|a Liu, Ben
|e verfasserin
|4 aut
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0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 37(2025), 41 vom: 17. Okt., Seite e08982
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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|g volume:37
|g year:2025
|g number:41
|g day:17
|g month:10
|g pages:e08982
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|u http://dx.doi.org/10.1002/adma.202508982
|3 Volltext
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