Charging method of a secondary battery

Details Charging method of a secondary battery Charging method of a secondary battery

1995-10-18

1997-11-04

Wong, Peter S.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320 39, 320 35, 320 22, 320 48, H01M 1044, H02J 700

Patent

active

056843860

ABSTRACT:
A secondary battery is charged in alternating charging and pulse-charging periods in which the secondary battery is continuously charged during the charging periods and the secondary battery is charged in a series of charging pulses during the pulse-charging periods. The terminal voltage or the temperature of the secondary battery may be sampled during at least one interval between the pulses in a pulse-charging period to detect a full charge level or an excessive temperature, respectively. Such an arrangement can reduce charging time and facilitate accurate monitoring of the terminal voltage or the temperature.

REFERENCES:
patent: 5204611 (1993-04-01), Nor et al.
patent: 5350996 (1994-09-01), Tauchi
patent: 5352967 (1994-10-01), Nutz et al.
patent: 5541491 (1996-07-01), Yamazaki et al.

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