Electrochemical cell

Details Electrochemical cell Electrochemical cell

1987-11-12

1989-03-28

Walton, Donald L.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

429218, 429209, H01M 462, H01M 1040

Patent

active

048163589

ABSTRACT:
Disclosed is an electrochemical cell that includes an anode, a cathode, and an electrolyte, the cathode containing more than a trace amount of a sulfur impurity capable of causing the cell to self-discharge and also containing a scavenger that reacts with the impurity to reduce the rate of self-discharge of the cell.

REFERENCES:
patent: 4091191 (1978-05-01), Gaines
patent: 4489144 (1984-12-01), Clark
Rauh et al., J. Inorg. Nucl. Chem., "Formation of Lithium Polysulfides in Aprotic Media", vol. 39, pp. 1761-1766 (1977).
Rauh et al., J. of Electrochem. Society, "A Lithium/Dissolved Sulfur Battery with an Organic Electrolyte", vol. 126, pp. 523-527 (4/79).
Rao et al., J. Electrochem. Society, "Effect of Sulfur Impurities on Li/TiS.sub.2 Cells", vol. 128, pp. 942-945 (5/81).

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