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240611s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202406380
|2 doi
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|a pubmed24n1502.xml
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|a (DE-627)NLM373460554
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|a (NLM)38857899
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|a DE-627
|b ger
|c DE-627
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|a eng
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| 100 |
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|a Hao, Qi
|e verfasserin
|4 aut
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| 245 |
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|a Universal Formation of Single Atoms from Molten Salt for Facilitating Selective CO2 Reduction
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|c 2024
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|a Text
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|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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|2 rdacarrier
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|a Date Revised 15.08.2024
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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 Clarifying the formation mechanism of single-atom sites guides the design of emerging single-atom catalysts (SACs) and facilitates the identification of the active sites at atomic scale. Herein, a molten-salt atomization strategy is developed for synthesizing zinc (Zn) SACs with temperature universality from 400 to 1000/1100 °C and an evolved coordination from Zn-N2Cl2 to Zn-N4. The electrochemical tests and in situ attenuated total reflectance-surface-enhanced infrared absorption spectroscopy confirm that the Zn-N4 atomic sites are active for electrochemical carbon dioxide (CO2) conversion to carbon monoxide (CO). In a strongly acidic medium (0.2 m K2SO4, pH = 1), the Zn SAC formed at 1000 °C (Zn1NC) containing Zn-N4 sites enables highly selective CO2 electroreduction to CO, with nearly 100% selectivity toward CO product in a wide current density range of 100-600 mA cm-2. During a 50 h continuous electrolysis at the industrial current density of 200 mA cm-2, Zn1NC achieves Faradaic efficiencies greater than 95% for CO product. The work presents a temperature-universal formation of single-atom sites, which provides a novel platform for unraveling the active sites in Zn SACs for CO2 electroreduction and extends the synthesis of SACs with controllable coordination sites
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|a Journal Article
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|a acidic CO2 electroreduction
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|a coordination evolution
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|a single‐atom anchoring
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|a thermal‐controlled atomization
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|a Zhen, Cheng
|e verfasserin
|4 aut
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|a Tang, Qi
|e verfasserin
|4 aut
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|a Wang, Jiazhi
|e verfasserin
|4 aut
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|a Ma, Peiyu
|e verfasserin
|4 aut
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|a Wu, Junxiu
|e verfasserin
|4 aut
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|a Wang, Tianyang
|e verfasserin
|4 aut
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|a Liu, Dongxue
|e verfasserin
|4 aut
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|a Xie, Linxuan
|e verfasserin
|4 aut
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|a Liu, Xiao
|e verfasserin
|4 aut
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|a Gu, M Danny
|e verfasserin
|4 aut
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|a Hoffmann, Michael R
|e verfasserin
|4 aut
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|a Yu, Gang
|e verfasserin
|4 aut
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|a Liu, Kai
|e verfasserin
|4 aut
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| 700 |
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|a Lu, Jun
|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), 33 vom: 14. Aug., Seite e2406380
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:36
|g year:2024
|g number:33
|g day:14
|g month:08
|g pages:e2406380
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|u http://dx.doi.org/10.1002/adma.202406380
|3 Volltext
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