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241106s2024 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.4c03343
|2 doi
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|a pubmed24n1606.xml
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|a (DE-627)NLM379899116
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|a (NLM)39503374
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|a eng
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| 100 |
1 |
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|a Yang, Xinyu
|e verfasserin
|4 aut
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|a Fe-Doped Ni3S2 Induces Self-Reconstruction for Urea-Assisted Water Electrolysis Enhancement
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|c 2024
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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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|2 rdacarrier
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|a Date Revised 19.11.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Urea oxidation reaction (UOR) is an attractive alternative anodic reaction to oxygen evolution reaction (OER) for its low thermodynamic potential (0.37 V vs RHE). A major challenge that prohibits its practical application is the six-electron transfer process during UOR, demanding enhancements in the catalytic activity. Herein, a Fe-doped Ni3S2 catalyst with a uniform flower-like structure is synthesized in situ on nickel foam via a simple one-step hydrothermal method. The electrochemical properties of Fe-Ni3S2 are significantly improved since a current density of 10 mA cm-2 only requires a 1.33 V potential and remains stable for 60 h. The structural characterization demonstrates a strong interaction between Fe and Ni3S2. After Fe doping, the active site increases, which promotes the formation of NiOOH on the catalyst surface, thus speeding up the UOR process. These changes are beneficial to charge transfer and optimize the adsorption energy of the intermediates. In situ EIS further confirms that Fe promotes electron transfer during the UOR process, reduces the interface resistance between the catalyst and the electrolyte, and lowers the driving voltage
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|a Journal Article
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1 |
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|a Liu, Yifeng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Qianqiao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yu, Wanchin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhong, Qin
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1999
|g 40(2024), 46 vom: 19. Nov., Seite 24605-24612
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:40
|g year:2024
|g number:46
|g day:19
|g month:11
|g pages:24605-24612
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| 856 |
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|u http://dx.doi.org/10.1021/acs.langmuir.4c03343
|3 Volltext
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