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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.1c03466
|2 doi
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|a pubmed24n1129.xml
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|a (NLM)35363495
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|a DE-627
|b ger
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|e rakwb
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|a eng
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| 100 |
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|a Pang, Mingyuan
|e verfasserin
|4 aut
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|a Assembly of Alloyed PdCu Nanosheets and Their Electrocatalytic Oxidation of Ethanol
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|c 2022
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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 12.04.2022
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Two-dimensional (2D) nanostructured catalysts have attracted great attention in many important fields, including energy applications and chemical industry. In this study, PdCu nanosheet assemblies (NSAs) have been synthesized and investigated as electrocatalysts for direct ethanol fuel cells in an alkaline medium. A great number of active sites on the nanosheets of PdCu NSAs for ethanol electro-oxidation are exposed, where the electron structures are optimized combined with the second element copper. Electrochemical measurements show that PdCu NSA1 exhibits excellent catalytic activity (2536 mA mg-1) and cyclic stability compared to PdCu NSA2 (1700 mA mg-1) and PdCu NSA3 (1436 mA mg-1), much higher than commercial Pd/C. Kinetics studies on the electrolysis of ethanol suggest that PdCu NSAs should be more favorable at higher catalytic temperatures, higher concentrations of ethanol, and low pH value environments. The unique composition and structures PdCu NSA1 would result in the lowest energy barrier in the rate-controlling step of the ethanol oxidation reaction (EOR), confirmed by density functional theory (DFT). The formation mechanism of PdCu NSAs and their excellent electrocatalytic activity toward EOR have been discussed and analyzed
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|a Journal Article
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|a Yang, Min
|e verfasserin
|4 aut
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1 |
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|a Yan, Jie
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Ben
|e verfasserin
|4 aut
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| 700 |
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|a Zang, Lei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Fu, Aiping
|e verfasserin
|4 aut
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| 700 |
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|a Guo, Peizhi
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 38(2022), 14 vom: 12. Apr., Seite 4287-4294
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:38
|g year:2022
|g number:14
|g day:12
|g month:04
|g pages:4287-4294
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|u http://dx.doi.org/10.1021/acs.langmuir.1c03466
|3 Volltext
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