Silver/Copper Interface for Relay Electroreduction of Carbon Dioxide to Ethylene

被引：88

作者：

Wang, Jiaqi ^{[1
]}

Li, Zhe ^{[1
]}

Dong, Cunku ^{[1
]}

Feng, Yi ^{[1
]}

Yang, Jing ^{[1
]}

Liu, Hui ^{[1
]}

Du, Xiwen ^{[1
]}

机构：

[1] Tianjin Univ, Sch Mat Sci & Engn, Inst New Energy Mat, Tianjin 300072, Peoples R China

来源：

ACS APPLIED MATERIALS & INTERFACES | 2019年 / 11卷 / 03期

关键词：

CO2; electroreduction; catalyst; interface; ethylene; Ag/Cu; Faradaic efficiency; SELECTIVE ELECTROCHEMICAL REDUCTION; ELECTROCATALYTIC REDUCTION; CO2; ELECTROREDUCTION; CATALYSTS; CU; NANOPARTICLES; AU; HYDROCARBONS; ELECTRODES; MECHANISM;

D O I：

10.1021/acsami.8b20545

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

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.

引用

页码：2763 / 2767

页数：5

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