Utilisation of carbon dioxide and nitrate for urea electrosynthesis with a Cu-based metal-organic framework

It is important and challenging to utilise CO 2 and NO 3 − as a feedstock for electrosynthesis of urea. Herein, we reported a stable 2D metal-organic framework (MOF) Cu-HATNA, possessing planar CuO 4 active sites, as an efficient electrocatalyst for coupling CO 2 and NO 3 − into urea, achieving a hi...

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Published inChemical communications (Cambridge, England) Vol. 6; no. 27; pp. 3669 - 3672
Main Authors Zhang, Meng-Di, Huang, Jia-Run, Liao, Pei-Qin, Chen, Xiao-Ming
Format Journal Article
LanguageEnglish
Published England Royal Society of Chemistry 28.03.2024
Subjects
Carbon dioxide
Copper
Electrocatalysts
Metal-organic frameworks
Urea
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Summary:It is important and challenging to utilise CO 2 and NO 3 − as a feedstock for electrosynthesis of urea. Herein, we reported a stable 2D metal-organic framework (MOF) Cu-HATNA, possessing planar CuO 4 active sites, as an efficient electrocatalyst for coupling CO 2 and NO 3 − into urea, achieving a high yield rate of 1.46 g h −1 g cat −1 with a current density of 44.2 mA cm −1 at −0.6 V vs. RHE. This performance surpasses most of the previously reported catalysts, revealing the great prospects of MOFs in sustainable urea synthesis. A hexagonal 2D Cu-based MOF with planar CuO 4 nodes, denoted as Cu-HATNA , was developed and employed as an electrocatalyst for direct electrosynthesis of urea from CO 2 and NO 3 − .
Bibliography:Electronic supplementary information (ESI) available. See DOI
https://doi.org/10.1039/d3cc05821b
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SourceType-Scholarly Journals-1
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ISSN:1359-7345
1364-548X
1364-548X
DOI:10.1039/d3cc05821b