NDLI: Bending properties of nickel electrodes for nickel-hydrogen batteries

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Bending properties of nickel electrodes for nickel-hydrogen batteries

Content Provider	NASA Technical Reports Server (NTRS)
Author	Lerch, Brad A. Corner, Ralph Wilson, Richard M. Keller Sr., Dennis
Copyright Year	1995
Description	Recent changes in manufacturing have resulted in nickel-hydrogen batteries that fail prematurely by electrical shorting, This failure is believed to be a result of a blistering problem in the nickel electrodes. In this study the bending properties of nickel electrodes are investigated in an attempt to correlate the bending properties of the electrode with its propensity to blister. Nickel electrodes from three different batches of material were tested in both the as-received and impregnated forms. The effects of specimen curvature and position within the electrode on the bending strength were studied, and within-electrode and batch-to-batch variations were addressed. Two color-imaging techniques were employed to differentiate between the phases within the electrodes. These techniques aided in distinguishing the relative amounts of nickel hyroxide surface loading on each electrode, thereby relating surface loading to bend strength. Bend strength was found to increase with the amount of surface loading.
File Size	6966863
Page Count	20
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20150011901
Archival Resource Key	ark:/13960/t8vb32t98
Language	English
Publisher Date	1995-01-01
Access Restriction	Open
Subject Keyword	Electronics And Electrical Engineering Electrodes Nickel Hydrogen Batteries Metal Surfaces Flexural Strength Imaging Techniques Bending Manufacturing Curvature Failure 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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