Electrochemical reduction of nitrous oxide on La1-xSrxFeO3 perovskites

Kent Kammer Hansen

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    The electrochemical reduction of nitrous oxide and oxygen has been studied on cone-shaped electrodes of La1-xSrxFeO3-delta perovskites in an all solid state cell, using cyclic voltammetry. It was shown that the activity of the La1-xSrxFeO3-delta perovskites for the electrochemical reduction of nitrous oxide mainly depends on the amount of Fe(III) and oxide ion vacancies. The activity of the La1-xSrxFeO3-delta perovskites towards the electrochemical reduction of nitrous oxide is much lower than the activity of the La1-xSrxFeO3-delta perovskites towards the electrochemical reduction of oxygen, making the possibility of electrochemically reducing nitrous oxide selectively in an exhaust gas containing excess oxygen on this type of materials very doubtful.
    Original languageEnglish
    JournalMaterials Research Bulletin
    Volume45
    Issue number9
    Pages (from-to)1334-1337
    ISSN0025-5408
    DOIs
    Publication statusPublished - 2010

    Keywords

    • Fuel Cells and hydrogen
    • Flue gas purification

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