Residual capacity correction method for battery

Details Residual capacity correction method for battery Residual capacity correction method for battery

2005-08-16

2005-08-16

Tibbits, Pia (Department: 2838)

Electricity: battery or capacitor charging or discharging

Battery or cell discharging

With charging

Reexamination Certificate

active

06930465

ABSTRACT:
In a residual capacity correction method for a battery, a count of one cycle is made each time an accumulated quantity of a charge capacity of a battery reaches a learning capacity of the battery at that time, and the learning capacity is decreased by a specified cycle degradation capacity per charge of the one cycle, alternatively a decreasing rate of the learning capacity is specified as a keeping degradation capacity while a keeping temperature and a residual capacity of the battery are used as parameters, and as a keeping time passes, the learning capacity is decreased by the keeping degradation capacity specified from the keeping temperature and the residual capacity of the battery.

REFERENCES:
patent: 5283512 (1994-02-01), Stadnick et al.
patent: 5614804 (1997-03-01), Kayano et al.
patent: 5796239 (1998-08-01), van Phuoc et al.
patent: 6114836 (2000-09-01), Hagiwara et al.
patent: 6194874 (2001-02-01), Kalogeropoulos et al.

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