Variable catalyst loading based on flow field geometry

A fuel cell including a membrane electrode assembly composed of a ionically conductive member sandwiched between a pair of electrodes. At least one of the electrodes including a catalyst loading characterized by catalytic activity that varies in proportion to the catalyst loading. Moreover, the fuel...

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Bibliographic Details
Main Authors SOMPALLI BHASKAR, FUSS ROBERT L
Format Patent
LanguageEnglish
Published 09.11.2010
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 fuel cell including a membrane electrode assembly composed of a ionically conductive member sandwiched between a pair of electrodes. At least one of the electrodes including a catalyst loading characterized by catalytic activity that varies in proportion to the catalyst loading. Moreover, the fuel cell includes a flow path for supplying gaseous reactants to the electrodes and the catalyst loading is varied according to the flow path geometry.
Bibliography:Application Number: US20060581600