Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 11, Issue 3, Pages 2763-2767Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsami.8b20545
Keywords
CO2 electroreduction; catalyst; interface; ethylene; Ag/Cu; Faradaic efficiency
Funding
- Natural Science Foundation of China [51871160, 51671141, 51471115]
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CO2 electroreduction provides an effective solution on CO2 emission and greenhouse effect. However, it is a big challenge to produce hydrocarbon fuels with high energy density via the electroreduction of CO2. Here we report the efficient production of ethylene by constructing Ag-Cu bimetallic catalyst with sharp interface; the Faradaic efficiency for ethylene formation is enhanced to 42%, more than 2 times that of pure Cu catalyst. The high yield of ethylene can be rationalized by the relay catalysis of Ag and Cu component around the Ag/Cu interface.
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