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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202000992
|2 doi
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|a pubmed24n1037.xml
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|a (DE-627)NLM31117597X
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|a (NLM)32538508
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Zhou, Yuan
|e verfasserin
|4 aut
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|a Mesoporous PdAg Nanospheres for Stable Electrochemical CO2 Reduction to Formate
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|c 2020
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|a Text
|b txt
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Revised 16.11.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2020 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a Palladium is a promising material for electrochemical CO2 reduction to formate with high Faradaic efficiency near the equilibrium potential. It unfortunately suffers from problematic operation stability due to CO poisoning on surface. Here, it is demonstrated that alloying is an effective strategy to alleviate this problem. Mesoporous PdAg nanospheres with uniform size and composition are prepared from the co-reduction of palladium and silver precursors in aqueous solution using dioctadecyldimethylammonium chloride as the structure-directing agent. The best candidate can initiate CO2 reduction at zero overpotential and achieve high formate selectivity close to 100% and great stability even at <-0.2 V versus reversible hydrogen electrode. The high selectivity and stability are believed to result from the electronic coupling between Pd and Ag, which lowers the d-band center of Pd and thereby significantly enhances its CO tolerance, as evidenced by both electrochemical analysis and theoretical simulations
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|a Journal Article
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|a electrochemical CO2 reduction
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|a formate
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|a mesoporous nanospheres
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|a palladium-silver alloys
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|a stability
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1 |
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|a Zhou, Rui
|e verfasserin
|4 aut
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1 |
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|a Zhu, Xiaorong
|e verfasserin
|4 aut
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1 |
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|a Han, Na
|e verfasserin
|4 aut
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1 |
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|a Song, Bin
|e verfasserin
|4 aut
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1 |
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|a Liu, Tongchao
|e verfasserin
|4 aut
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1 |
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|a Hu, Guangzhi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Yafei
|e verfasserin
|4 aut
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|a Lu, Jun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Yanguang
|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 32(2020), 30 vom: 21. Juli, Seite e2000992
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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|g volume:32
|g year:2020
|g number:30
|g day:21
|g month:07
|g pages:e2000992
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|u http://dx.doi.org/10.1002/adma.202000992
|3 Volltext
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