Selective urea electrosynthesis nitrate and CO reduction on uncoordinated Zn nanosheets
Electroreduction of NO 3 − and CO 2 to urea (ENCU) represents a fascinating strategy to enable waste NO 3 − /CO 2 removal and sustainable urea production. Herein, uncoordinated Zn nanosheets (U-Zn) are developed as a highly selective ENCU catalyst, exhibiting the highest urea-faradaic efficiency of...
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| Veröffentlicht in: | Chemical communications (Cambridge, England) England), 2024-12, Vol.61 (2), p.31-313 |
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| container_title | Chemical communications (Cambridge, England) |
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| creator | Wang, Xiaomiao Zhang, Fengyu Zhang, Haixin Wang, Jingxuan Qu, Wenhuan Li, Xiang Chu, Ke |
| description | Electroreduction of NO
3
−
and CO
2
to urea (ENCU) represents a fascinating strategy to enable waste NO
3
−
/CO
2
removal and sustainable urea production. Herein, uncoordinated Zn nanosheets (U-Zn) are developed as a highly selective ENCU catalyst, exhibiting the highest urea-faradaic efficiency of 31.8% with the corresponding urea yield rate of 39.3 mmol h
−1
g
−1
in a flow cell. Theoretical calculations and electrochemical spectroscopic measurements reveal that the high ENCU performance of U-Zn arises from the critical role of uncoordinated Zn sites that can promote both key steps of *NO
2
/CO
2
coupling and *CO
2
NH
2
protonation to *COOHNH
2
, while retarding the competitive side reactions.
Uncoordinated Zn nanosheets are developed as a selective catalyst for electroreduction of NO
3
−
and CO
2
to urea, attributed to the critical role of uncoordinated Zn sites in promoting C-N coupling while suppressing the competitive side reactions. |
| doi_str_mv | 10.1039/d4cc05599c |
| format | Article |
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3
−
and CO
2
to urea (ENCU) represents a fascinating strategy to enable waste NO
3
−
/CO
2
removal and sustainable urea production. Herein, uncoordinated Zn nanosheets (U-Zn) are developed as a highly selective ENCU catalyst, exhibiting the highest urea-faradaic efficiency of 31.8% with the corresponding urea yield rate of 39.3 mmol h
−1
g
−1
in a flow cell. Theoretical calculations and electrochemical spectroscopic measurements reveal that the high ENCU performance of U-Zn arises from the critical role of uncoordinated Zn sites that can promote both key steps of *NO
2
/CO
2
coupling and *CO
2
NH
2
protonation to *COOHNH
2
, while retarding the competitive side reactions.
Uncoordinated Zn nanosheets are developed as a selective catalyst for electroreduction of NO
3
−
and CO
2
to urea, attributed to the critical role of uncoordinated Zn sites in promoting C-N coupling while suppressing the competitive side reactions.</description><identifier>ISSN: 1359-7345</identifier><identifier>EISSN: 1364-548X</identifier><identifier>DOI: 10.1039/d4cc05599c</identifier><ispartof>Chemical communications (Cambridge, England), 2024-12, Vol.61 (2), p.31-313</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><creatorcontrib>Wang, Xiaomiao</creatorcontrib><creatorcontrib>Zhang, Fengyu</creatorcontrib><creatorcontrib>Zhang, Haixin</creatorcontrib><creatorcontrib>Wang, Jingxuan</creatorcontrib><creatorcontrib>Qu, Wenhuan</creatorcontrib><creatorcontrib>Li, Xiang</creatorcontrib><creatorcontrib>Chu, Ke</creatorcontrib><title>Selective urea electrosynthesis nitrate and CO reduction on uncoordinated Zn nanosheets</title><title>Chemical communications (Cambridge, England)</title><description>Electroreduction of NO
3
−
and CO
2
to urea (ENCU) represents a fascinating strategy to enable waste NO
3
−
/CO
2
removal and sustainable urea production. Herein, uncoordinated Zn nanosheets (U-Zn) are developed as a highly selective ENCU catalyst, exhibiting the highest urea-faradaic efficiency of 31.8% with the corresponding urea yield rate of 39.3 mmol h
−1
g
−1
in a flow cell. Theoretical calculations and electrochemical spectroscopic measurements reveal that the high ENCU performance of U-Zn arises from the critical role of uncoordinated Zn sites that can promote both key steps of *NO
2
/CO
2
coupling and *CO
2
NH
2
protonation to *COOHNH
2
, while retarding the competitive side reactions.
Uncoordinated Zn nanosheets are developed as a selective catalyst for electroreduction of NO
3
−
and CO
2
to urea, attributed to the critical role of uncoordinated Zn sites in promoting C-N coupling while suppressing the competitive side reactions.</description><issn>1359-7345</issn><issn>1364-548X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><sourceid/><recordid>eNqFTj0LwjAUDKLg5-IuvD9QbWmjdhbFzUFBcSkhedJIfZG8VPDfW0Vw9Di4O-6GE2KcxNMkTvOZybSOpcxz3RK9JJ1nkcyWp_bbyzxapJnsij7zNW6QyGVPHPdYoQ72gVB7VPBJ3vGTQolsGcgGrwKCIgOrHXg0dTN3BA1r0s55Y6kZGDgTkCLHJWLgoehcVMU4-upATDbrw2obedbF3dub8s_i9zb9178Ahm5Ecg</recordid><startdate>20241219</startdate><enddate>20241219</enddate><creator>Wang, Xiaomiao</creator><creator>Zhang, Fengyu</creator><creator>Zhang, Haixin</creator><creator>Wang, Jingxuan</creator><creator>Qu, Wenhuan</creator><creator>Li, Xiang</creator><creator>Chu, Ke</creator><scope/></search><sort><creationdate>20241219</creationdate><title>Selective urea electrosynthesis nitrate and CO reduction on uncoordinated Zn nanosheets</title><author>Wang, Xiaomiao ; Zhang, Fengyu ; Zhang, Haixin ; Wang, Jingxuan ; Qu, Wenhuan ; Li, Xiang ; Chu, Ke</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-rsc_primary_d4cc05599c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><creationdate>2024</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wang, Xiaomiao</creatorcontrib><creatorcontrib>Zhang, Fengyu</creatorcontrib><creatorcontrib>Zhang, Haixin</creatorcontrib><creatorcontrib>Wang, Jingxuan</creatorcontrib><creatorcontrib>Qu, Wenhuan</creatorcontrib><creatorcontrib>Li, Xiang</creatorcontrib><creatorcontrib>Chu, Ke</creatorcontrib><jtitle>Chemical communications (Cambridge, England)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wang, Xiaomiao</au><au>Zhang, Fengyu</au><au>Zhang, Haixin</au><au>Wang, Jingxuan</au><au>Qu, Wenhuan</au><au>Li, Xiang</au><au>Chu, Ke</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Selective urea electrosynthesis nitrate and CO reduction on uncoordinated Zn nanosheets</atitle><jtitle>Chemical communications (Cambridge, England)</jtitle><date>2024-12-19</date><risdate>2024</risdate><volume>61</volume><issue>2</issue><spage>31</spage><epage>313</epage><pages>31-313</pages><issn>1359-7345</issn><eissn>1364-548X</eissn><abstract>Electroreduction of NO
3
−
and CO
2
to urea (ENCU) represents a fascinating strategy to enable waste NO
3
−
/CO
2
removal and sustainable urea production. Herein, uncoordinated Zn nanosheets (U-Zn) are developed as a highly selective ENCU catalyst, exhibiting the highest urea-faradaic efficiency of 31.8% with the corresponding urea yield rate of 39.3 mmol h
−1
g
−1
in a flow cell. Theoretical calculations and electrochemical spectroscopic measurements reveal that the high ENCU performance of U-Zn arises from the critical role of uncoordinated Zn sites that can promote both key steps of *NO
2
/CO
2
coupling and *CO
2
NH
2
protonation to *COOHNH
2
, while retarding the competitive side reactions.
Uncoordinated Zn nanosheets are developed as a selective catalyst for electroreduction of NO
3
−
and CO
2
to urea, attributed to the critical role of uncoordinated Zn sites in promoting C-N coupling while suppressing the competitive side reactions.</abstract><doi>10.1039/d4cc05599c</doi><tpages>4</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1359-7345 |
| ispartof | Chemical communications (Cambridge, England), 2024-12, Vol.61 (2), p.31-313 |
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| source | Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection |
| title | Selective urea electrosynthesis nitrate and CO reduction on uncoordinated Zn nanosheets |
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