Correction device and correction method for secondary batteries

Details Correction device and correction method for secondary batteries Correction device and correction method for secondary batteries

1997-12-15

1999-11-30

Wong, Peter S.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320116, 320134, 320136, H02J 700

Patent

active

059948736

ABSTRACT:
A correction device for secondary batteries comprises a voltage difference detection circuit for detecting variation in terminal voltages of at least two secondary batteries connected in series, and a discharge circuit for discharging one of the at least two secondary batteries which has a maximum terminal voltage, when the variation in the terminal voltages exceeds a preset value. The discharge circuit stops discharging when the terminal voltage of the one of the secondary batteries which is discharged becomes lower than a reference value.

REFERENCES:
patent: 5206578 (1993-04-01), Nor
patent: 5547775 (1996-08-01), Eguchi et al.
patent: 5602481 (1997-02-01), Fukuyama
patent: 5646503 (1997-07-01), Stockstad

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