Method of monitoring CO concentrations in hydrogen feed to a PEM fuel cell

A method of operating a H2-O2 fuel cell system comprising the principal steps of (1) providing a hydrogen-rich fuel gas having a first CO content sufficient to poison the fuel cell's anode, and (2) injecting oxygen into said fuel gas upstream of said fuel cell to oxidize said CO with O2 in the...

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Main Authors WEISBROD, KIRK, NEUTZLER, JAY KEVIN, GUTOWSKI, STANLEY, BORUP, RODNEY LYNN, GROT, STEPHEN ANDREAS, MELTSER, MARK ALEXANDER
Format Patent
LanguageEnglish
French
German
Published 19.11.2003
Edition7
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
TESTING
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Summary:A method of operating a H2-O2 fuel cell system comprising the principal steps of (1) providing a hydrogen-rich fuel gas having a first CO content sufficient to poison the fuel cell's anode, and (2) injecting oxygen into said fuel gas upstream of said fuel cell to oxidize said CO with O2 in the presence of said hydrogen to produce a fuel stream for said fuel cell which has a second CO content less than said first content that will not poison said fuel cell.
Bibliography:Application Number: EP19980202996