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Current Topics in Electrochemistry   Volumes    Volume 6 
Electrochemical reduction of carbon dioxide in methanol
Kiyohisa Ohta, Satoshi Kaneco, Takayuki Mizuno
Pages: 139 - 147
Number of pages: 9
Current Topics in Electrochemistry
Volume 6 

Copyright © 1998 Research Trends. All rights reserved

The electrochemical reduction of carbon dioxide in methanol at various metal electrodes is reviewed. By the electrochemical reduction of CO2 on Ti, Fe, Co. Ni, Pd, Pt, Cu, Ag, Au, Zn and Sn electrodes in methanol at ambient temperature and pressure, CO, formic acid, methane, ethylene, and ethane were produced. CO2 was selectively converted to CO on Ag, Au, Pd, Zn, and Sn electrodes. Methane was produced with high Faradaic efficiency on Cu cathode at low temperature. The Faradaic efficiency for ethylene was very low at these electrodes except for Cu electrode. Methanol was effective for the depression of hydrogen formation at temperatures of less than 0°C. Methanol has been used as a CO2-absorber in many industries, so that the system developed may be widely applied for the conversion of CO2 into useful law materials.
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