Electrochemical reduction of CO2 in water-acetonitrile mixtures on nanostructured Cu electrode

被引：22
作者：
Diaz-Buque, Alvaro [1 ]
Sandoval-Rojas, Andrea P. [1 ]
Felipe Molina-Osorio, Andres [1 ]
Feliu, Juan M. [2 ]
Suarez-Herrera, Marco F. [1 ]
机构：
[1] Univ Nacl Colombia, Fac Ciencias, Dept Quim, Bogota, Colombia
[2] Univ Alicante, Inst Electroquim, E-03080 Alicante, Spain
来源：
ELECTROCHEMISTRY COMMUNICATIONS | 2015年 / 61卷
关键词：
Nanostructured copper; Au electrode; CO2; reduction; Electrocatalysis; Water-acetonitrile mixtures; SINGLE-CRYSTAL ELECTRODES; CARBON-DIOXIDE; METAL-ELECTRODES; ION BATTERIES; COPPER; ADSORPTION; SURFACE; ELECTROREDUCTION; FABRICATION; MORPHOLOGY;
D O I：
10.1016/j.elecom.2015.10.003
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
This communication studies the CO2 reduction reaction in H2O/CH3CN mixtures on nanostructured copper. It was found that the nanostructured copper electrode presents a well-defined voltammogram in acetonitrile, where it can be seen three signals related to adsorbed or surface attached (thin films) species. Also, it was found that the current density of CO2 reduction in mixtures H2O/CH3CN on nanostructured copper electrodes with a mole fraction around 0.25 is higher than those observed with mole fractions lower than 0.15 or higher than 0.35. Finally, nanostructured Cu electrodes show higher catalytic activity towards the CO2 reduction than copper electrode. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：74 / 77
页数：4
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