Electrochemical reduction of carbon dioxide at various metal electrodes in aqueous potassium hydrogen carbonate solution.
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概要
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The electrochemical reduction of carbon dioxide at various metallic electrodes was carried out <I>potentiostatically</I> at 298 K in aqueous potassium hydrogen carbonate solution in order to make clear the electrocatalysis of metals in reduction of CO<SUB>2</SUB>. It was found that metals used as electrodes are classified into four groups according to their main products from CO<SUB>2</SUB>, i. e., metallic In, Sn, Hg, and Pb are selective for the production of formic acid; metallic Ag and Au are selective for the formation of carbon monoxide; metallic copper has the highest electrocatalytic activities in formation of hydrocarbons, aldehydes, and alcohols; and metallic Al, Ga, Group a, and Group VIII elements except Pd have scarce electrocatalytic activity in reduction of CO<SUB>2</SUB>. Effects of the reduction potential on products from CO<SUB>2</SUB> were also examined in detail for Zn, In, and Au electrodes which have some interesting properties.
- 公益社団法人 日本化学会の論文
著者
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Maeda Masunobu
Department Of Applied Chemistry Nagoya Institute Of Technology
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ITO Kaname
Department of Applied Chemistry, Nagoya Institute of Technology
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Ito Kaname
Department Of Applied Chemistry Faculty Of Engineering Nagoya Institute Of Technology
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Ikeda Shoichiro
Department Of Applied Chemistry Faculty Of Engineering Nagoya Institute Of Technology
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Noda Hidetomo
Department of Applied Chemistry, Nagoya Institute of Technology
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Oda Yoshiyuki
Department of Applied Chemistry, Nagoya Institute of Technology
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Imai Kazumoto
Department of Applied Chemistry, Nagoya Institute of Technology
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