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240617s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202405660
|2 doi
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|a DE-627
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|a eng
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| 100 |
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|a Feng, Xueting
|e verfasserin
|4 aut
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|a Cu/CuxO/Graphdiyne Tandem Catalyst for Efficient Electrocatalytic Nitrate Reduction to Ammonia
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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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|a Date Revised 01.11.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2024 Wiley‐VCH GmbH.
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|a The electrocatalytic reduction reaction of nitrate (NO3 -) to ammonia (NH3) is a feasible way to achieve artificial nitrogen cycle. However, the low yield rate and poor selectivity toward NH3 product is a technical challenge. Here a graphdiyne (GDY)-based tandem catalyst featuring Cu/CuxO nanoparticles anchored to GDY support (termed Cu/CuxO/GDY) for efficient electrocatalytic NO3 - reduction is presented. A high NH3 yield rate of 25.4 mg h-1 mgcat. -1 (25.4 mg h-1 cm-2) with a Faradaic efficiency of 99.8% at an applied potential of -0.8 V versus RHE using the designed catalyst is achieved. These performance metrics outperform most reported NO3 - to NH3 catalysts in the alkaline media. Electrochemical measurements and density functional theory reveal that the NO3 - preferentially attacks Cu/CuxO, and the GDY can effectively catalyze the reduction of NO2 - to NH3. This work highlights the efficacy of GDY as a new class of tandem catalysts for the artificial nitrogen cycle and provides powerful guidelines for the design of tandem electrocatalysts
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|a Journal Article
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|a electrocatalysis
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|a graphdiyne
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|a nitrate reduction
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| 650 |
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|a tandem catalysts
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1 |
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|a Liu, Jiyuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kong, Ya
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Zixuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Zedong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Shuzhou
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tong, Lianming
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gao, Xin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Jin
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 36(2024), 44 vom: 01. Nov., Seite e2405660
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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| 773 |
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|g volume:36
|g year:2024
|g number:44
|g day:01
|g month:11
|g pages:e2405660
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|u http://dx.doi.org/10.1002/adma.202405660
|3 Volltext
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