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Solid state electrochemical DeNOx—An overview

Paper ID Volume ID Publish Year Pages File Format Full-Text
47024 46456 2010 6 PDF Available
Title
Solid state electrochemical DeNOx—An overview
Abstract

The literature on direct electrochemical reduction of NOx in a solid state cell has been reviewed. It is shown that the reduction of nitric oxide either occurs on the electrode or on the electrolyte if F-centers are formed. It is also shown that some oxide based electrodes has a high apparent selectivity towards the reduction of nitric oxide in a net oxidizing atmosphere. The activity and apparent selectivity of oxide based electrodes is strongly dependent on the composition of the oxide. The selectivity of noble metal based electrodes is generally very low. However, coating of noble metal based electrodes can give current efficiencies of up to 20% even in the presence of large amounts of oxygen.

Graphical abstractFigure optionsDownload full-size imageDownload as PowerPoint slideResearch highlights▶ Solid state electrochemical DeNOx is reviewed. ▶ Noble metals show only little use as cathodes for electrochemical DeNOx. ▶ Noble metals with coatings show promising use as cathodes for electrochemical DeNOx. ▶ Some oxides also show promising use as cathodes for electrochemical DeNOx.

Keywords
N2O; NO; NO2; O2; Electrochemical DeNOx
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Solid state electrochemical DeNOx—An overview
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 100, Issues 3–4, 20 October 2010, Pages 427–432
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
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Price was $35.95
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