Self-discharge rate of lithium thionyl-chloride cells
Conference
·
OSTI ID:10151577
Our low-rate lithium/thionyl-chloride ``D`` cell is required to provide power continuously for up to 10 years. The cell was designed at Sandia National Laboratories and manufactured at Eagle-Picher Industries, Joplin, Missouri. We have conducted accelerated aging studies at elevated temperatures to predict long-term performance of cells fabricated in 1992. Cells using 1.0M LiAlCl{sub 4} electrolyte follow Arrhenius kinetics with an activation energy of 14.6 Kcal/mol. This results in an annual capacity loss to self-discharge of 0.13 Ah at 25 C. Cells using a 1.0M LiAlCl{sub 4}{sm_bullet}SO{sub 2} electrolyte do not follow Arrhenius behavior. The performance of aged cells from an earlier fabrication lot is variable.
- Research Organization:
- Sandia National Labs., Albuquerque, NM (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC04-94AL85000
- OSTI ID:
- 10151577
- Report Number(s):
- SAND--93-2784C; CONF-940670--3; ON: DE94011934; BR: GB0103012
- Country of Publication:
- United States
- Language:
- English
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