Evaluation of Production Version of the NASA Improved Inorganic-organic Separator PDF Download
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Category :
Languages : en
Pages : 56
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Author:
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ISBN:
Category :
Languages : en
Pages : 56
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Author:
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Category : Aeronautics
Languages : en
Pages : 488
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Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
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Category : Fuel
Languages : en
Pages : 356
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Author:
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Category : Power resources
Languages : en
Pages : 764
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Author:
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ISBN:
Category : Power resources
Languages : en
Pages : 1048
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Author:
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Category : Aeronautics
Languages : en
Pages : 582
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Author: Electrochemical Society
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Category : Electrochemistry
Languages : en
Pages : 1702
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Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781724309631
Category :
Languages : en
Pages : 28
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Book 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. Sheibley, D. Glenn Research Center NASA-TM-83018, E-1453, NAS 1.15:83018 RTOP 506-55-52
Author:
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Category : Science
Languages : en
Pages : 256
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Author:
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ISBN:
Category :
Languages : en
Pages : 358
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