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Lithium cell tests at Langley Research CenterThe long duration exposure facility mission places temperature requirements of from -30 F to +150 F on the batteries to be used. A hermetically sealed lithium sulfur dioxide cell was tested to predict what the temperature of the battery would be over a given spectrum of temperatures of operation. Near the end of cell discharge, as the voltage started collapsing, a very high heat output rise due to chemical reaction took place. However, if the cells were thermally insulated, they vented, ignited, and burned if an attempt was made to discharge them all the way. The cells do not go into reversal. It was determined that the root of the problem was probably the chemical reaction between the lithium and the acetonitrite solvent. A redesigned cell is discussed as well as some alternates.
Document ID
19790013444
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Bene, J.
(NASA Langley Research Center Hampton, VA, United States)
Date Acquired
August 9, 2013
Publication Date
January 1, 1977
Publication Information
Publication: NASA. Goddard Space Flight Center The 1977 Goddard Space Flight Center Battery Workshop
Subject Category
Energy Production And Conversion
Accession Number
79N21615
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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