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Effect of KOH concentration on LEO cycle life of IPV nickel-hydrogen flight cells. An updateAn update of validation test results confirming the breakthrough in LEO cycle life of nickel-hydrogen cells containing 26 percent potassium hydroxide (KOH) electrolyte is presented. A breakthrough in the LEO cycle life of individual pressure vessel nickel-hydrogen cells is reported. The cycle life of boiler plate cells containing 26 percent KOH electrolyte was about 40,000 LEO cycles compared to 3500 cycles for cells containing 31 percent KOH.
Document ID
19910013063
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Smithrick, John J. (NASA Lewis Research Center Cleveland, OH., United States)
Hall, Stephen W. (Naval Weapons Support Center Crane, IN., United States)
Date Acquired
September 6, 2013
Publication Date
January 1, 1991
Subject Category
Spacecraft Propulsion And Power
Report/Patent Number
E-6192
NASA-TM-104383
NAS 1.15:104383
Report Number: E-6192
Report Number: NASA-TM-104383
Report Number: NAS 1.15:104383
Meeting Information
Meeting: Intersociety Energy Conversion Engineering Conference
Location: Boston, MA
Country: United States
Start Date: August 4, 1991
End Date: August 9, 1991
Sponsors: American Inst. of Chemical Engineers, AIAA, IEEE, ANS, SAE, ASME, American Chemical Society
Accession Number
91N22376
Funding Number(s)
PROJECT: RTOP 506-41-21
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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