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Calorimetric determination of the thermoneutral potential for Li/BrCl in SOCl2 (BCX) cellsProliferation of lithium cells into large modular battery packs are projected for future space applications. Assuring battery design safety while maintaining high energy density requires accurate and precise knowledge of the thermal parameters of the battery cell. Specifically, the thermoneutral potential was determined using heat conduction calorimetry on Li/BrCl in SOCl2 (BCX) DD-cells and compared to measurements obtained on Li/SOCl2 D-cells. Over 20 to 60 C, the Li/BCX cells were found to have a thermoneutral potential significantly higher (near 4.0 volts) than that for the Li/SOCl2 cells tested. The higher heat generation measured during discharge reflects the higher electrochemical polarization observed with the BCX cells.
Document ID
19920017903
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Darcy, Eric C.
(NASA Lyndon B. Johnson Space Center Houston, TX, United States)
Kalu, Eric E.
(NASA Lyndon B. Johnson Space Center Houston, TX, United States)
White, Ralph E.
(Texas A&M Univ. College Station., United States)
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
92N27146
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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