✦ LIBER ✦

Thermodynamic determinations for lithium/thionyl chloride and lithium/ BRCl-thionyl chloride cells as a function of temperature and depth of discharge

✍ Scribed by Esther Sans Takeuchi; Kenneth J. Takeuchi; Carol Bessel; Eric Eads

Publisher: Elsevier Science
Year: 1988
Tongue: English
Weight: 422 KB
Volume: 24
Category: Article
ISSN: 0378-7753
DOI: 10.1016/0378-7753(88)80118-6

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✦ Synopsis

The voltage versus temperature response of sixty-four hthmm/thlonyl chloride and hthmm/BrCl-thlonyl chloride cells at seven depths of dmcharge was measured from --10 to 50 °C. The data were then used to determine internal energy and entropy values for the two systems. The internal energy of the thlonyl chloride cells ranged from --90.1 to --86.9 kcal/eq, and the entropy ranged from --15.0 to --8.6 cal/K-eq. The internal energy of the BrCl-thlonyl chloride system ranged from --88.9 to --86.2 kcal/eq, and the entropy ranged from --5.7 to --23.5 cal/K-eq. The relative contribution of entropy to the free energy of the cells increased with depth of d~scharge for the BrCl-thlonyl chloride cells.

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