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Title:
BATTERY FAULT DIAGNOSIS METHOD AND SERVER FOR PROVIDING SAME METHOD
Document Type and Number:
WIPO Patent Application WO/2023/249174
Kind Code:
A1
Abstract:
The present invention relates to a battery fault diagnosis method and a server for providing same method, and the server of the present invention diagnoses a battery fault by configuring a reference value reflecting a change in an internal resistance value of a battery at each diagnosis time point for battery fault diagnosis, so that the accuracy of the diagnosis can be increased. In addition, a problem of erroneously diagnosing an external environmental difference as a fault of the battery itself can be solved by configuring a reference value on the basis of a plurality of internal resistance values in an environment similar to that of the current diagnosis time, so that the accuracy of diagnosis can be increased.

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Inventors:
YANG JONGYEOL (KR)
KIM DONG HYUN (KR)
Application Number:
PCT/KR2022/018749
Publication Date:
December 28, 2023
Filing Date:
November 24, 2022
Export Citation:
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Assignee:
LG ENERGY SOLUTION LTD (KR)
International Classes:
G01R31/392; G01R19/165; G01R31/371; G01R31/382; G01R31/3842; G01R31/389; G01R31/396
Foreign References:
JP2008256673A2008-10-23
KR20210040721A2021-04-14
KR20220060814A2022-05-12
JP2015031674A2015-02-16
KR20210054930A2021-05-14
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
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