Exceptional Durability of Solid Oxide Cells

Sune Ebbesen, Mogens Bjerg Mogensen

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    Abstract

    Extensive efforts to resolve the degradation normally associated with solid oxide electrolysis cells (SOECs) have been conducted during the past decade. To date, the degradation is assumed to be caused by adsorption of impurities in the cathode, although no firm evidence for this degradation mechanism has been presented. In this article, we demonstrate that the rapid degradation of these SOECs is indeed caused by impurities, and that operation without degradation is possible when removing these impurities from the inlet gases. Cleaning the inlet gases may be a solution for operating SOECs without long-term degradation.
    Original languageEnglish
    JournalElectrochemical and Solid-State Letters
    Volume13
    Issue number9
    Pages (from-to)B106-B108
    ISSN1099-0062
    DOIs
    Publication statusPublished - 2010

    Bibliographical note

    Copyright The Electrochemical Society, Inc. [2010]. All rights reserved. Except as provided under U.S. copyright law, this work may not be reproduced, resold, distributed, or modified without the express permission of The Electrochemical Society (ECS).

    Keywords

    • Fuel Cells and hydrogen
    • Electrolysis

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