Lakyer for stabilization of lithium anode

Details Lakyer for stabilization of lithium anode Lakyer for stabilization of lithium anode

1993-03-30

1994-08-30

Maples, John S.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

429218, H01M 618, H01M 458

Patent

active

053427106

ABSTRACT:
In a preferred battery, a negative electrode contains metallic lithium, a positive electrode contains transition metal chalcogen compound having a reversible lithium insertion ability, a solid electrolyte is disposed between the electrodes, and a protective layer is disposed between the solid electrolyte and the negative electrode. The protective layer contains polyvinyl pyridine (PVP) or derivatives thereof and iodine complexed with the PVP or derivatives thereof for reducing passivation of the lithium-containing negative electrode. Preferably the polyvinyl pyridine is poly-2-vinylpyridine or poly-2-vinylquinoline.

REFERENCES:
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patent: 3957533 (1976-05-01), Mead et al.
patent: 4071662 (1978-01-01), Mead et al.
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patent: 4340651 (1982-07-01), Howard et al.
patent: 4812376 (1989-03-01), Rudolph
patent: 4830939 (1989-05-01), Lee et al.
J. P. Gabano, Lithium Batteries, Academic Press, New York, Dec. 1983, pp. 432-437.
A. A. Schneider et al., "Performance Characteristics of a Long Life Pacemaker Cell", D. H. Collins (ed.), Power Source 5, Proc. 9th Int. Symp., Brighton 1974, Academic Press, London, Dec. 1975.

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