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Mechanisms for capacity fading in the NiH2 cell and its effects on cycle lifeDuring recent years there have been a number of instances where the capacity of nickel hydrogen battery cells has proven to be unstable during storage. The capacity losses seen after periods of cell or battery storage have typically varied from only a small amount of fading, up to about 30 percent of the total cell capacity. Detailed studies into the root causes for such fading have been carried out in a number of instances. This report provides an overview of the different mechanisms that have been found to be responsible for such capacity fading in nickel hydrogen cells, and summarizes the presently available data on how each responsible mechanism affects ultimate cell cycle life.
Document ID
19930011307
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Zimmerman, Albert H.
(Aerospace Corp. El Segundo, CA, United States)
Date Acquired
September 6, 2013
Publication Date
February 1, 1993
Publication Information
Publication: NASA. Marshall Space Flight Center, The 1992 NASA Aerospace Battery Workshop
Subject Category
Energy Production And Conversion
Accession Number
93N20496
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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