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Fuel-Cell Reactant-Gas PurifierCatalytic purifier removes oxygen from hydrogen feedlines just upstream of fuel-cell stack. Purifier consists of layer of platinum sandwiched between two sheets of porous polytetrafluoroethylene (PTFE). Platinum and PTFE elements stacked and ready for pressing. Purifier cut to size, pleated and inserted into convenient length of metal tubing. Purifier is 90 percent efficient in removing oxygen from gas stream containing 2 percent oxygen in hydrogen.
Document ID
19830000032
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Mcbryar, H. (General Electric Co.)
Ollila, T.
Date Acquired
August 11, 2013
Publication Date
August 1, 1983
Publication Information
Publication: NASA Tech Briefs
Volume: 7
Issue: 3
ISSN: 0145-319X
Subject Category
Materials
Report/Patent Number
MSC-20103
Report Number: MSC-20103
ISSN: 0145-319X
Accession Number
83B10032
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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