Patent ID: 11867765
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Measurement (Instruments)
Classification: CPC G  H  Y | IPC G  H

Claim 3:
4. The method according to claim 2, wherein the specified moment comprises a first moment and a second moment;
the battery capacity difference comprises a first battery capacity difference corresponding to the first moment and a second battery capacity difference corresponding to the second moment; and
wherein determining, based on the battery capacity difference, that the target battery is micro-short-circuited comprises:
calculating a target difference between the second battery capacity difference and the first battery capacity difference, and determining a ratio of the target difference to duration between the second moment and the first moment (ΔT1) as a leakage current value of the target battery;
calculating an average voltage value of the target battery within the ΔT1, and determining a micro-short circuit resistance of the target battery with reference to the leakage current value; and
if a value of the micro-short circuit resistance is less than a preset resistance threshold, determining that the target battery is micro-short-circuited.