Method and apparatus for regulating charging of...

Details Method and apparatus for regulating charging of... Method and apparatus for regulating charging of...

2005-12-13

2005-12-13

Sparks, Donald (Department: 2838)

Electricity: battery or capacitor charging or discharging

Battery or cell charging

Gas controlled

C429S053000

Reexamination Certificate

active

06975096

ABSTRACT:
A rechargeable electrochemical cell is provided having a pressure-responsive apparatus for determining a charge termination point. In particular, a reversible pressure-responsive switch may be disposed in a rechargeable cell. A sensor determines when the switch has reacted in a predetermined manner, thus indicating that the internal pressure within the cell has reached a predetermined threshold. The sensor is part of sensing circuitry that is linked to a charger having automatic charging modes depending on the status of the sensing circuit.

REFERENCES:
patent: 6143440 (2000-11-01), Volz et al.

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