Method of controlling battery current limit values

Details Method of controlling battery current limit values Method of controlling battery current limit values

2006-01-04

2009-02-10

Tso, Edward (Department: 2838)

Electricity: battery or capacitor charging or discharging

Battery or cell discharging

With charging

Reexamination Certificate

active

07489108

ABSTRACT:
A method of controlling battery current limit values, the method controls maximum charging and discharging current values according to the state of charge of the battery. The method of controlling current limits integrates battery charging and discharging current to compute a first state of charge, determines first charging and discharging current limit value candidates from that first state of charge, computes a second state of charge based on battery voltage, and determines second charging and discharging current limit value candidates from that second state of charge. Further, the method takes the smaller of the first and second charging and discharging current limit value candidates as the charging and discharging current limit values for charging and discharging the battery.

REFERENCES:
patent: 6891355 (2005-05-01), Kernahan
patent: 7089127 (2006-08-01), Thibedeau et al.
patent: 2007/0065713 (2007-03-01), Rauchfuss
patent: 56-126776 (1981-10-01), None
patent: 9-84205 (1997-03-01), None
patent: 9-171063 (1997-06-01), None
patent: 9-312901 (1997-12-01), None
patent: 2002-291104 (2002-10-01), None

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