Lithium cell

Details Lithium cell Lithium cell

1988-04-08

1989-07-04

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

429218, H01M 614

Patent

active

048449962

ABSTRACT:
There is provided an electrochemical charge with substantially increased safety. The cell contains a metal anode which can be alloyed by lithium, the preferred metals being selected from calcium, magnesium, and alloys of these, such cell comprising an electrolyte which is an aprotic solvent in which there is dissolved a suitable lithium salt, a cathode and a cathodic current collector. The anode can be initially charged with lithium. After a certain degree of discharge, certain embodiments of cells of the invention start forming a passivating layer on the anode preventing a runaway reaction.

REFERENCES:
patent: 4142028 (1979-02-01), Leger et al.
patent: 4264690 (1981-04-01), Rao
patent: 4650731 (1987-03-01), Hoffman
patent: 4652506 (1987-03-01), Belanger et al.

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