NDLI: Evaluation of production version of the nasa improved inorganic-organic separator

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Evaluation of production version of the nasa improved inorganic-organic separator

Content Provider	NASA Technical Reports Server (NTRS)
Author	Sheibley, D.
Copyright Year	1983
Description	The technology of an inorganic-organic (I/O) separator, which demonstrated improved flexibility, reduced cost, production feasibility and improved cycle life was developed. Substrates to replace asbestos and waterbased separator coatings to replace the solvent based coatings were investigated. An improved fuel cell grade asbestos sheet was developed and a large scale production capability for the solvent based I/O separator was demonstrated. A cellulose based substrate and a nonwoven polypropylene fiber substrate were evaluated as replacements for the asbestos. Both the cellulose and polypropylene substrates were coated with solvent based and water based coatings to produce a modified I/O separator. The solvent based coatings were modified to produce aqueous separator coatings with acceptable separator properties. A single ply fuel cell grade asbestos with a binder (BTA) was produced. It has shown to be an acceptable substrate for the solvent and water based separator coatings, an acceptable absorber for alkaline cells, and an acceptable matrix for alkaline fuel cells. The original solvent based separator (K19W1), using asbestos as a substrate, was prepared.
File Size	963529
Page Count	28
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19830009751
Archival Resource Key	ark:/13960/t8z942n2m
Language	English
Publisher Date	1983-01-01
Access Restriction	Open
Subject Keyword	Energy Production And Conversion Water Solvents Nickel Zinc Batteries Asbestos Polypropylene Fuel Cells Cellulose Alkaline Batteries Separators Coatings Substrates Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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