Method and apparatus for distributing water to an ion-exchange membrane in a fuel cell

A method and apparatus are provided for distributing water produced by the electrochemical reaction to an ion-exchange membrane in an electrochemical fuel cell. The method comprises periodically reversing the flow direction of an oxidant stream through a fuel cell flow field. The apparatus comprises...

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Bibliographic Details
Main Authors CHAN, JOHN KA KI, CORLESS, ADRIAN JAMES, CHOW, CLARENCE Y.F
Format Patent
LanguageEnglish
French
German
Published 20.07.2011
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Summary:A method and apparatus are provided for distributing water produced by the electrochemical reaction to an ion-exchange membrane in an electrochemical fuel cell. The method comprises periodically reversing the flow direction of an oxidant stream through a fuel cell flow field. The apparatus comprises a fuel stream flow switching device for periodically switching the flow direction of a fuel stream through a fuel cell flow field.
Bibliography:Application Number: EP20030012922