Temperature-driven water transport through membrane electrode assembly of proton exchange membrane fuel cells

    Authors

    R. Zaffou; J. S. Yi; H. R. Kunz;J. M. Fenton

    Comments

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    Abbreviated Journal Title

    Electrochem. Solid State Lett.

    Keywords

    THERMAL MANAGEMENT; OSMOSIS; MODEL; Electrochemistry; Materials Science, Multidisciplinary

    Abstract

    A quantitative investigation has been carried out to examine the effect of through-plane temperature difference on water transport across the membrane electrode assembly (MEA) of a proton exchange membrane (PEM) fuel cell. The presence of a temperature difference across the cell was found to cause a significant amount of water to transport through the MEA in the direction towards the colder side; the water transport rate increased with temperature and temperature gradient. This study reveals the importance of thermo-osmosis in PEM fuel cells (PEMFCs) and the need to consider the through-plane temperature profile in water management design and operation in PEMFCs. (c) 2006 The Electrochemical Society.

    Journal Title

    Electrochemical and Solid State Letters

    Volume

    9

    Issue/Number

    9

    Publication Date

    1-1-2006

    Document Type

    Article

    Language

    English

    First Page

    A418

    Last Page

    A422

    WOS Identifier

    WOS:000239283500007

    ISSN

    1099-0062

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