Non-aqueous, rechargeable electrochemical cell

Details Non-aqueous, rechargeable electrochemical cell Non-aqueous, rechargeable electrochemical cell

1991-02-01

1993-05-25

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

429199, 429218, H01M 1040

Patent

active

052139140

ABSTRACT:
A non-aqueous rechargeable electrochemical cell is disclosed, wherein the cell includes a negative electrode a positive electrode and an electrolyte solution into which the electrodes are immersed. The negative electrode is made of lithium, and the positive electrode contains as the active material lithium cobalt oxide. The electrolyte solution is a solution of a lithium salt with an anion of a group 3A element halide in sulfur dioxide.
The cell of the present invention has a long cycle life and excellent electrical characteristics.

REFERENCES:
patent: 4497726 (1985-02-01), Brule et al.
patent: 4508798 (1985-04-01), Gopikanth et al.
patent: 4770960 (1988-09-01), Nagaura et al.
patent: 4804596 (1989-02-01), Ebner et al.
patent: 4818647 (1989-04-01), Plichta et al.
patent: 4891281 (1990-01-01), Kuo et al.

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