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240615s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202402160
|2 doi
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|a pubmed25n1244.xml
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|a (DE-627)NLM37364213X
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|a (NLM)38876146
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
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|a Chen, Kai
|e verfasserin
|4 aut
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| 245 |
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|a Urea Electrosynthesis from Nitrate and CO2 on Diatomic Alloys
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|c 2024
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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 25.07.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2024 Wiley‐VCH GmbH.
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|a Urea electrosynthesis from co-electrolysis of NO3 - and CO2 (UENC) offers a promising technology for achieving sustainable and efficient urea production. Herein, a diatomic alloy catalyst (CuPd1Rh1-DAA), with mutually isolated Pd and Rh atoms alloyed on Cu substrate, is theoretically designed and experimentally confirmed to be a highly active and selective UENC catalyst. Combining theoretical computations and operando spectroscopic characterizations reveals the synergistic effect of Pd1-Cu and Rh1-Cu active sites to promote the UENC via a tandem catalysis mechanism, where Pd1-Cu site triggers the early C-N coupling and promotes *CO2NO2-to-*CO2NH steps, while Rh1-Cu site facilitates the subsequent protonation step of *CO2NH2 to *COOHNH2 toward the urea formation. Impressively, CuPd1Rh1-DAA assembled in a flow cell presents the highest urea Faradaic efficiency of 72.1% and urea yield rate of 53.2 mmol h-1 gcat -1 at -0.5 V versus RHE, representing nearly the highest performance among all reported UENC catalysts
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|a Journal Article
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|a DFT calculations
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|a diatomic alloys
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|a electrochemical urea production
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|a operando spectroscopic measurements
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| 650 |
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|a tandem catalysis
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|a Ma, Danyang
|e verfasserin
|4 aut
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|a Zhang, Ying
|e verfasserin
|4 aut
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|a Wang, Fuzhou
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Xing
|e verfasserin
|4 aut
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|a Wang, Xiaomei
|e verfasserin
|4 aut
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| 700 |
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|a Zhang, Hu
|e verfasserin
|4 aut
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1 |
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|a Liu, Xijun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Bao, Rui
|e verfasserin
|4 aut
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| 700 |
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|a Chu, Ke
|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 36(2024), 30 vom: 06. Juli, Seite e2402160
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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| 773 |
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|g volume:36
|g year:2024
|g number:30
|g day:06
|g month:07
|g pages:e2402160
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|u http://dx.doi.org/10.1002/adma.202402160
|3 Volltext
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