Cu/CuxO/Graphdiyne Tandem Catalyst for Efficient Electrocatalytic Nitrate Reduction to Ammonia

© 2024 Wiley‐VCH GmbH.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 36(2024), 44 vom: 01. Nov., Seite e2405660
1. Verfasser: Feng, Xueting (VerfasserIn)
Weitere Verfasser: Liu, Jiyuan, Kong, Ya, Zhang, Zixuan, Zhang, Zedong, Li, Shuzhou, Tong, Lianming, Gao, Xin, Zhang, Jin
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article electrocatalysis graphdiyne nitrate reduction tandem catalysts
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520 |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 
650 4 |a Journal Article 
650 4 |a electrocatalysis 
650 4 |a graphdiyne 
650 4 |a nitrate reduction 
650 4 |a tandem catalysts 
700 1 |a Liu, Jiyuan  |e verfasserin  |4 aut 
700 1 |a Kong, Ya  |e verfasserin  |4 aut 
700 1 |a Zhang, Zixuan  |e verfasserin  |4 aut 
700 1 |a Zhang, Zedong  |e verfasserin  |4 aut 
700 1 |a Li, Shuzhou  |e verfasserin  |4 aut 
700 1 |a Tong, Lianming  |e verfasserin  |4 aut 
700 1 |a Gao, Xin  |e verfasserin  |4 aut 
700 1 |a Zhang, Jin  |e verfasserin  |4 aut 
773 0 8 |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 
773 1 8 |g volume:36  |g year:2024  |g number:44  |g day:01  |g month:11  |g pages:e2405660 
856 4 0 |u http://dx.doi.org/10.1002/adma.202405660  |3 Volltext 
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