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Initial performance of advanced designs for IPV nickel-hydrogen cellsAdvanced designs for individual pressure vessel nickel hydrogen cells were conceived which should improve the life cycle at deep depths of discharge and improve thermal management. Features of the designs which are new and not incorporated in either of the contemporary cells (Air Force/Hughes, Comsat) are: (1) the use of alternate methods of oxygen recombination, (2) use of serrated edge separators to facilitate movement of gas within the cell while still maintaining required physical contact with the wall wick, and (3) use of an expandable stack to accommodate some of the nickel electrode expansion. The designs also consider electrolyte volume requirements over the life of the cells, and are fully compatible with the Air Force/Hughes design.
Document ID
19850020132
Acquisition Source
Legacy CDMS
Document Type
Technical Memorandum (TM)
Authors
Smithrick, J. J. (NASA Lewis Research Center Cleveland, OH, United States)
Date Acquired
September 5, 2013
Publication Date
August 23, 1985
Subject Category
Energy Production And Conversion
Report/Patent Number
NASA-TM-87029
NAS 1.15:87029
E-2585
Meeting Information
Meeting: Intersoc. Energy Conversion Eng. Conf. (IECEC)
Location: Miami Beach, FL
Country: United States
Start Date: August 18, 1985
End Date: August 23, 1985
Sponsors: American Institute of Chemical Engineers, ASME, ACS, SAE, AIAA, IEEE, ANS
Accession Number
85N28444
Funding Number(s)
PROJECT: RTOP 506-55-52
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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