Oxophilicity-Controlled CO 2  Electroreduction to C 2+  Alcohols over Lewis Acid Metal-Doped Cu δ+  Catalysts

Zhang, Libing; Feng, Jiaqi; Wu, Limin; Ma, Xiaodong; Song, Xinning; Jia, Shunhan; Tan, Xingxing; Jin, Xiangyuan; Zhu, Qinggong; Kang, Xinchen; Ma, Jun; Qian, Qingli; Zheng, Lirong; Sun, Xiaofu; Han, Buxing

doi:10.1021/jacs.3c06697

articleJournal of the American Chemical SocietySep 26, 2023Closed access

Oxophilicity-Controlled CO 2 Electroreduction to C 2+ Alcohols over Lewis Acid Metal-Doped Cu δ+ Catalysts

LZLibing Zhang JFJiaqi Feng LWLimin Wu XMXiaodong Ma XSXinning Song

Chinese Academy of Sciences · Beijing National Laboratory for Molecular Sciences · +3 more institutions

PubMed

Indexed incrossrefpubmed

Abstract

Cu-based electrocatalysts have great potential for facilitating CO2 reduction to produce energy-intensive fuels and chemicals. However, it remains challenging to obtain high product selectivity due to the inevitable strong competition among various pathways. Here, we propose a strategy to regulate the adsorption of oxygen-associated active species on Cu by introducing an oxophilic metal, which can effectively improve the selectivity of C2+ alcohols. Theoretical calculations manifested that doping of Lewis acid metal Al into Cu can affect the C–O bond and Cu–C bond breaking toward the selectively determining intermediate (shared by ethanol and ethylene), thus prioritizing the ethanol pathway. Experimentally,…

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Topics & keywords

Topics

Keywords

Chemistry
Lewis acids and bases
Catalysis
Selectivity
Adsorption
Metal
Inorganic chemistry
Ethylene

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