Communication—Perovskite Electrochemical System for Highly Selective NOx Reduction of Diesel Engine Exhaust

Publication: Research - peer-reviewJournal article – Annual report year: 2018

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A perovskite electrochemical system was developed for selective NOx reduction of diesel engine exhaust. The system was composed of a La0.9Sr0.1CoO3±δ oxidation catalyst and a (La0.85Sr0.15)0.95MnO3±δ/Ce0.9Gd0.1O1.95 electrochemical cell with BaO nanopariticles. A selectivity of 25–35% was achieved with a NOx conversion of 65–75% in 1000 ppm NO with 8% O2 at 375°C. The superior performance of the system was suggested to be ascribed to the promotion in NO2 formation substantially activating the NOx trapping and reduction processes on the electrode.
Original languageEnglish
JournalJournal of The Electrochemical Society
Volume165
Issue number10
Pages (from-to)H591-H593
ISSN0013-4651
DOIs
StatePublished - 2018
CitationsWeb of Science® Times Cited: No match on DOI
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