Brinks Gilson & Lione
Battery internal short-circuit detection method based on cell charge balancing
An internal short-circuit detection method for a battery cell of a battery pack is determined using a battery cell charge balancing resistor and switch. The switch is used for connecting or disconnecting the battery cell charge balancing resistor to the battery cell. Evolution of discharging of the battery with the battery cell-charge balancing resistor connected to the battery cell is monitored to measure an internal short-circuit resistance of the battery cell for estimating the state of the internal short-circuit.
BORDRIN MOTOR CORPORATION, INC.
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Zhiwei Yonghua
Zhang Li