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Effect of Handling, Storage and Cycling on Ni-H2 Cells: Second Plateau PhenomenonProper handling of Ni-H2 cells/batteries in storage, during I&T, and at launch site is very important to preserve the useful energy and to extend the mission life. Cell reversal test is not a prudent test to verify or quantify the nickel pre-charge in Ni-H2 cells/batteries. The second plateau is due to the formation of Ni(+3) that is electrochemically inactive. Gas analysis of the cell, and chemical analysis of the positive plate are confirmatory tests to determine the nature of pre-charge in Ni-H2 cells.
Document ID
20010083618
Acquisition Source
Goddard Space Flight Center
Document Type
Conference Paper
Authors
Vaidyanathan, Hari (Lockheed Martin Telecommunications Reston, VA United States)
Rao, Gopalakrishna (NASA Goddard Space Flight Center Greenbelt, MD United States)
Date Acquired
August 20, 2013
Publication Date
March 1, 2001
Publication Information
Publication: The 2000 NASA Aerospace Battery Workshop
Subject Category
Energy Production And Conversion
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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