Catalytic and Electrical Properties of Electrochemical NOx Reduction System

Abstract:

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The catalytic and electrical properties of an electrochemical NOx reduction system were investigated. A power above 3.5W/cm2 reduced more than 60% of NOx to N2 over the (La,Sr)CoO3-α/Ce0.9Gd0.1O1.95/Pt laminated system in a temperature range of 450°C to 650°C. O2- transportation removed the oxygen around the cathode layer through the Ce0.9Gd0.1O1.95 electrolyte layer, then NO was able to decompose to N2 at the cathode. This ceria-based system exhibited stable NOx reduction with respect to electrical power, regardless of operating temperature.

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Periodical:

Edited by:

P. VINCENZINI

Pages:

2039-2042

DOI:

10.4028/www.scientific.net/AST.45.2039

Citation:

T. Yamaguchi et al., "Catalytic and Electrical Properties of Electrochemical NOx Reduction System", Advances in Science and Technology, Vol. 45, pp. 2039-2042, 2006

Online since:

October 2006

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$35.00

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