System for executing charge control of a secondary battery and d

Details System for executing charge control of a secondary battery and d System for executing charge control of a secondary battery and d

1997-07-31

1998-11-03

Tso, Edward

Electricity: battery or capacitor charging or discharging

Means to identify cell or battery type

H01M 1044, H01M 1046

Patent

active

058314121

ABSTRACT:
A system comprises a rechargeable battery charged with a constant voltage and a charger. The battery includes a storage unit storing identification data and control voltage data and the charger is assigned identification data. The charger reads the identification data from the storage unit and charges the battery in accordance with the control voltage data, if the stored identification data coincides with the assigned charger identification data. If the stored identification data does not coincide with the assigned charger identification data, the charger gradually increases a charge voltage while detecting overvoltage of the battery, calculates a control voltage of the charger, and charges the battery in accordance with the calculated control voltage.

REFERENCES:
patent: 4455523 (1984-06-01), Koenck
patent: 5565756 (1996-10-01), Urbish et al.
patent: 5576608 (1996-11-01), Nagai et al.
patent: 5619117 (1997-04-01), Koenck
patent: 5694021 (1997-12-01), Morioka et al.

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