System and method for monitoring battery state

Details System and method for monitoring battery state System and method for monitoring battery state

2006-02-23

2009-08-11

Berhane, Adolf (Department: 2838)

Electricity: battery or capacitor charging or discharging

Battery or cell discharging

With charging

C320S114000, C320S116000, C429S060000

Reexamination Certificate

active

07573237

ABSTRACT:
A method of monitoring a battery includes measuring an open circuit voltage (Voc) on the battery to determine a measured state of charge (SOCm) after at least one use, obtaining a calculated state of charge (SOCc) based on a state of charge prior to the at least one use and a discharge of the battery during the at least one use, and determining a state of the battery based at least in part on a difference between the calculated state of charge and the measured state of charge.

REFERENCES:
patent: 6366054 (2002-04-01), Hoenig et al.
patent: 2002/0030494 (2002-03-01), Araki et al.
patent: 0560468 (1993-09-01), None

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