BATTERY ABNORMALITY DIAGNOSIS DEVICE AND OPERATION METHOD THEREOF

Title:

BATTERY ABNORMALITY DIAGNOSIS DEVICE AND OPERATION METHOD THEREOF

Document Type and Number:

WIPO Patent Application WO/2024/101914

Kind Code:

A1

Abstract:

A battery abnormality diagnosis device according to an embodiment disclosed in the present document may comprise: an acquisition unit which acquires voltage-state of charge (SOC) profiles of a plurality of battery units; an identification unit which identifies a designated first number of ranks of the plurality of battery units on the basis of the voltage-SOC profiles; and a diagnosis unit which diagnoses abnormalities in the plurality of battery units on the basis of changes in the ranks.

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Inventors:

YOON SUNG YUL (KR)
KIM IN SIK (KR)
LEE JEONG BIN (KR)
KIM SOON JONG (KR)
KIM WON KYUNG (KR)
KWON KI WOOK (KR)
SONG YOUNG SEOK (KR)

Application Number:

PCT/KR2023/017965

Publication Date:

May 16, 2024

Filing Date:

November 09, 2023

Export Citation:

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Assignee:

LG ENERGY SOLUTION LTD (KR)

International Classes:

G01R31/392; G01R19/00; G01R19/165; G01R31/371; G01R31/3842; G01R31/396; G01R31/56; G08B21/18; H01M10/48

Foreign References:

KR20220018132A	2022-02-15
JP2016217900A	2016-12-22
KR20210033295A	2021-03-26
KR20130086233A	2013-07-31
KR20210031336A	2021-03-19

Attorney, Agent or Firm:

BAE, KIM & LEE IP (KR)

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