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http://dx.doi.org/10.4191/KCERS.2002.39.10.988

Fabrication of an Electrochemical Cell using a Lanthanum Stannate Pyrochlore Catalyst and its Characterization of NOx Gas Decomposition  

Park, Saro-Han (Department of Ceramic Engineering, Yonsei University)
Moon, Joo-Ho (Department of Ceramic Engineering, Yonsei University)
Publication Information
Journal of the Korean Ceramic Society / v.39, no.10, 2002 , pp. 988-993 More about this Journal
Abstract
Electrochemical cells for decomposing $NO_x$ were fabricated using a hydrothermally synthesized lanthanum stannate pyrochlore catalyst. Thick film of the catalyst on the YSZ electrolyte disk was produced by screen-printing a paste consisted of $La_2Sn_2O_7$ and YSZ powders. Direct current was applied to the electrochemical cell to promote an electrochemical catalytic decomposition of $NO_x$. $NO_x$ decomposition behavior of the rectant gas mixture ($NO_x$ 0.1%, $O_2$ 2%) was investigated at 700${\circ}C$ under atmosphere pressure using on-line gas chromatography and $NO_x$ analyzer. It was observed that microstructure of the catalyst layer significantly influences the electrocatalystic decomposition of $NO_x$.
Keywords
No decomposition; Electrochemical cell; Pyrochlore;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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