Lithium cell having depletion gauge

Details Lithium cell having depletion gauge Lithium cell having depletion gauge

1984-03-19

1985-09-24

LeFevour, Charles F.

Chemistry: electrical current producing apparatus, product, and

With measuring, testing, or indicating means

For charge or liquid level

429 92, H01M 1048

Patent

active

045433046

ABSTRACT:
The electrochemical cell comprises an outer conductive housing, a cathode having one major surface in contact with the conductive housing, an insulative separator adjacent to the other major surface of the cathode, and a lithium anode having a major surface adjacent to the insulative separator. The lithium anode comprises three lithium plates, each having a major surface in contact with the other. Two of these major surfaces are formed with stepped portions to thereby form gaps between adjacent lithium plates. A first electrical sensing conductor is positioned within the gap between the surfaces of the first and second lithium anodes and is electrically connected to the first lithium anode and insulated from the second lithium anode. A second electrical sensing conductor is positioned within the gap between the surfaces of the second and third lithium anodes and is electrically connected to the second lithium anode and insulated from the third lithium anode.

REFERENCES:
patent: 4136234 (1979-01-01), Fritts
patent: 4388380 (1983-06-01), DeHaan et al.
patent: 4418129 (1983-11-01), Goebel

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