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Chem. J. Chinese Universities ›› 1995, Vol. 16 ›› Issue (S1): 189.

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Electrochemical CO2 Reduction Using Gas Diffusion Electrode Containing Cu Catalyst Supported on Various Metal Oxides

Takahashi K.1, Hashimoto K.1, Fujishima A.1, Omata K.2, Kimura N.2   

  1. 1. Department of Applied Chemistry, Faculty of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113, Japan;
    2. Electric Power Development Company, 6-15-1 Ginza, Chuo-ku, Tokyo 104, Japan
  • Received:1995-08-05 Online:1995-12-31 Published:1995-12-31

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Abstract:

Gas diffusion electrodes for electrochemical reduction of carbon dioxide were prepared and their electrocatalylic activities were investigated using KOH aqueous solution as an electrolyte. Various metal oxides such as ZnO, ZrO2, TiO2,Al2O3, Nb2O5 were used as the support for Cu catalyst. The current density was amounted to 500 mA/cm2, and reduction products significantly changed depending on the metal oxide supports.

Key words: Gas diffusion electrode, Electrochemical reduction of carbon dioxide, Cu catalyst

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