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Performances of 250 Amp-hr lithium/thionyl chloride cellsA 250 Ah lithium thionyl chloride battery is being developed for a booster rocket engine. Extensive cell testing is running to evaluate functional and safety performances. Some results are presented. The lithium/thionyl chloride batteries were selected for their high energy density (low weight) as compared to other sources. The temperature of a lower weight item will be more sensitive to variations of internal and external heat fluxes than a heavier one. The use of high energy density L/TC batteries is subjected to stringent thermal environments to have benefit of energy density and to stay safe in any conditions. The battery thermal environment and discharge rate have to be adjusted to obtain the right temperature range at cell level, to have the maximum performances. Voltage and capacity are very sensitive to temperature. This temperature is the cell internal actual temperature during discharge. This temperature is directed by external thermal environment and by cell internal heat dissipation, i.e., cell actual voltage.
Document ID
19920017905
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Goualard, Jacques
(Societe des Accumulateurs Fixes et de Traction Romainville, France)
Date Acquired
September 6, 2013
Publication Date
May 1, 1991
Publication Information
Publication: NASA. Marshall Space Flight Center, The 1990 NASA Aerospace Battery Workshop
Subject Category
Spacecraft Propulsion And Power
Accession Number
92N27148
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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