Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Include electrolyte chemically specified and method
Patent
1977-03-15
1978-04-25
LeFevour, Charles F.
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Include electrolyte chemically specified and method
429197, 429199, 429219, 429220, H01M 614
Patent
active
040864022
ABSTRACT:
The invention relates to a lithium electric cell comprising, in a first embodiment, a lithium negative electrode and a positive electrode made in particular of copper sulphide, the electrolyte comprising a salt such as tetralkylammonium having predominantly anionic conductivity and, in a second embodiment, said cell comprises between the electrodes a separation membrane made of an anionic exchanger material such as quaternized polyvinylpyridine, the electrolyte of the cathode compartment being tetralkylammonium chloride, the electrolyte of the anode compartment being a salt such as lithium perchlorate having predominantly cationic conductivity. The invention is implemented in cells in thin layers.
REFERENCES:
patent: 3531328 (1970-09-01), Bro et al.
patent: 3658593 (1972-04-01), Caiola et al.
patent: 3806369 (1974-04-01), Dey et al.
patent: 3928070 (1975-12-01), Gunther et al.
patent: 3935025 (1976-01-01), Cadman et al.
patent: 3985574 (1976-10-01), Feuillade et al.
patent: 3997362 (1976-12-01), Eustace et al.
Compagnie Generale d'Electricite S.A.
LeFevour Charles F.
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