Ampule tests to simulate glass corrosion in ambient temperature lithium batteries. Volume 2
Glass corrosion in battery headers has been found to limit the shelf life of ambient temperature lithium batteries. Glass corrosion can lead to loss of battery electrolytes or to shorts across the conductive corrosion product. Tests have been conducted which simulate the corrosive environment in a battery by sealing headers attached to lithium metal into Pyrex ampules containing battery electrolyte. Using the ampule test, glass corrosion kinetics have been determined at 70/sup 0/C for the Li/SO/sub 2/, Li/SOCl/sub 2/, and Li/SOCl/sub 2/ + BrCl battery systems. Test results indicate that corrosion of commercial glass compositions is extensive in all electrolytes tested, resulting in predicted battery failures after several months. Sandia's TA-23 glass corrodes at a much slower rate, indicating a projected battery lifetime of over five years in the Li/SO/sub 2/ system. Test results reveal that corrosion kinetics are sensitive to header polarization, stress, and configuration as well as glass composition.
- Research Organization:
- Sandia National Labs., Albuquerque, NM (USA)
- DOE Contract Number:
- AC04-76DP00789
- OSTI ID:
- 7029576
- Report Number(s):
- SAND-83-2301/2; ON: DE84014330
- Resource Relation:
- Other Information: Portions are illegible in microfiche products. Original copy available until stock is exhausted
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
CORROSION
SIMULATION
GLASS
LITHIUM-SULFUR BATTERIES
CHEMICAL COMPOSITION
ELECTROLYTES
STRESSES
CHEMICAL REACTIONS
ELECTRIC BATTERIES
ELECTROCHEMICAL CELLS
METAL-NONMETAL BATTERIES
250902* - Energy Storage- Batteries- Performance & Testing
360604 - Materials- Corrosion
Erosion
& Degradation