Lithium battery energy monitor

Details Lithium battery energy monitor Lithium battery energy monitor

1986-01-17

1987-09-15

Ciarlante, Anthony V.

Measuring and testing

Vibration

Resonance, frequency, or amplitude study

340636, 324436, G01N 2900

Patent

active

046931198

ABSTRACT:
A lithium battery is provided with an energy monitor that continuously inates the energy remaining in the battery. An electrolytic coulometer is connected in series with the battery and has a cantilevered cathode which increases its mass in proportion to the total amount of current that flows from the battery. Since the mass of the cathode and hence its resonant frequency changes in proportion to the total current, a mechanical transducer in contact with the electrolytic coulometer causes the cantilevered cathode to resonate at different frequencies which is monitored to provide a continuous reading of remaining battery energy.

REFERENCES:
patent: 3029384 (1962-04-01), Hart
patent: 3359494 (1967-12-01), Anderson et al.
patent: 3555308 (1971-01-01), Peterson
patent: 3665308 (1972-05-01), Beusman
patent: 3753110 (1973-08-01), Ikeda et al.
patent: 4100490 (1978-07-01), Peck et al.
patent: 4264861 (1981-04-01), Radu et al.

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