TITLE

Electrochemical reduction of carbon dioxide at ruthenium dioxide deposited on boron-doped diamond

AUTHOR(S)
Spataru, Nicolae; Tokuhiro, Kenichi; Terashima, Chiaki; Rao, Tata N.; Fujishima, Akira
PUB. DATE
December 2003
SOURCE
Journal of Applied Electrochemistry;Dec2003, Vol. 33 Issue 12, p1205
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Study of carbon dioxide reduction at RuO2-coated diamond electrodes showed that conductive metallic oxides are promising electrocatalysts for this process and allow higher reduction products to be obtained. The main reduction products obtained in acidic and neutral media were formic acid and methanol, with product efficiencies as high as 40 and 7.7%, respectively. It was observed that conductive diamond is a very well suited material for studying the electrocatalytic properties of conductive metallic oxides, because its use resulted in a negligible substrate effect. This feature will greatly enhance the ability to understand the relationships between the intrinsic electrochemical behavior and the electrocatalytic behavior, in view of developing new effective electrocatalysts. The use of conductive diamond could also allow better utilization of the electrocatalyst by avoiding the need for thick films.
ACCESSION #
16781849

 

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