Long life thionyl chloride cell

Details Long life thionyl chloride cell Long life thionyl chloride cell

1976-10-08

1982-01-05

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

Fluid active material or two-fluid electrolyte combination...

429194, 429199, H01M 614

Patent

active

043094902

ABSTRACT:
An electrochemical cell having substantially longer storage life comprising a lithium anode, a thionyl chloride depolarizer and solvent, a lithium aluminum chloride electrolyte salt and a quantity of sulfur dioxide admixed in the solvent in an amount sufficient to regulate the growth of lithium chloride crystals formed on the lithium anode. This amount of sulfur dioxide is preferrably sufficient to cause the ratio of moles of lithium aluminum chloride to moles of sulfur dioxide to range from 0.9 to 1.5. A most preferred range is from 1.0 to 1.2.

REFERENCES:
patent: 3578500 (1971-05-01), Maricle et al.
patent: 3891458 (1975-06-01), Eisenberg

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