Patent ID: 11959971
Assignee: LG ENERGY SOLUTION, LTD.
Field: Measurement (Instruments)
Classification: CPC G  H  Y | IPC G  H

Claim 3:
4. The method of claim 3, wherein the cell connection failure first detection step comprises:
a match comparison step of comparing whether the section matching the final connection failure detection reference data acquired in the final connection failure detection reference data acquisition step exists from the actual driving discharge data monitored in the monitoring step; and
a connection failure first determination step of determining, from the actual driving discharge data as a result of the match comparison step, the corresponding section as the section in which the amount of change in the discharge voltage value occurs due to the CID operation or the open parallel connection line in response to there being the section matching the final connection failure detection reference data and first determining that the cell connection failure occurs due to the CID operation or the open parallel connection line in the corresponding battery.