Solid State Electrochemical DeNOx: An overview

Kent Kammer Hansen

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    The literature on direct electrochemical reduction of NOx in a solid state cell has been reviewed. It is shown that 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.
    Original languageEnglish
    JournalApplied Catalysis B: Environmental
    Volume100
    Issue number3-4
    Pages (from-to)427-432
    ISSN0926-3373
    DOIs
    Publication statusPublished - 2010

    Keywords

    • Fuel Cells and Hydrogen
    • Flue gas purification

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