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Development of anion-selective membranesMethods were studied of preparing anion-exchange membranes that would have low resistance, high selectivity, and physical and chemical stability when used in acidic media in a redox energy storage system. Of the twelve systems selected for study, only the system that was based on crosslinked poly-4-vinylpyridinium chloride produced physically strong membranes when equilibrated in l M HCl. The resistivity of the best membrane was 12 ohm-cm, and the transference number for chloride ions was 0.81.
Document ID
19760012473
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Lacey, R. E. (Southern Research Inst. Birmingham, AL, United States)
Cowsar, D. R. (Southern Research Inst. Birmingham, AL, United States)
Date Acquired
September 3, 2013
Publication Date
October 1, 1975
Subject Category
Energy Production And Conversion
Report/Patent Number
NASA-CR-134932
SORI-EAS-75-501
Report Number: NASA-CR-134932
Report Number: SORI-EAS-75-501
Accession Number
76N19561
Funding Number(s)
CONTRACT_GRANT: NAS3-18898
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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