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Technology development for phosphoric acid fuel cell powerplant, phase 2A technique for producing an acid inventory control member by spraying FEP onto a partially screened carbon paper backing is discussed. Theoretical analysis of the acid management indicates that the vapor composition of 103% H3PO4 is approximately 1.0 ppm P4O10. An SEM evaluation of corrosion resistance of phenolic resins and graphite/phenolic resin composites in H3PO4 at 185 C shows specific surface etching. Carbonization of graphite/phenolic bipolar plates is achieved without blistering.
Document ID
19800002359
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Christner, L. (Energy Research Corp. Danbury, CT, United States)
Date Acquired
September 4, 2013
Publication Date
June 1, 1979
Subject Category
Energy Production And Conversion
Report/Patent Number
DOE/NASA/0067-79/2
QR-3
NASA-CR-159705
Report Number: DOE/NASA/0067-79/2
Report Number: QR-3
Report Number: NASA-CR-159705
Accession Number
80N10603
Funding Number(s)
PROJECT: RTOP 778-17-01
CONTRACT_GRANT: DEN3-67
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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