BATTERY CELL LIFE DIAGNOSIS DEVICE AND OPERATION METHOD THEREOF

Title:

BATTERY CELL LIFE DIAGNOSIS DEVICE AND OPERATION METHOD THEREOF

Document Type and Number:

WIPO Patent Application WO/2023/234538

Kind Code:

A1

Abstract:

A battery cell diagnosis device according to an embodiment of the present invention may comprise: a collection unit for collecting time series data of a battery cell according to an operating condition; a conversion unit for converting the time series data into an image corresponding to a spatial trajectory of a predetermined dimension; an extraction unit for extracting a feature value from the image; and a calculation unit for calculating a life of the battery cell on the basis of the feature value.

Inventors:

PARK KYU TAE (KR)
CHOI JEE SOON (KR)
YIM IN HYEOK (KR)
PARK HYUNG OAK (KR)

Application Number:

PCT/KR2023/004477

Publication Date:

December 07, 2023

Filing Date:

April 03, 2023

Export Citation:

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Assignee:

LG ENERGY SOLUTION LTD (KR)

International Classes:

G01R31/367; G01R19/165; G01R31/36; G01R31/392; G01R31/396; G06N3/04; G06N3/08

Domestic Patent References:

WO2021089786A1

2021-05-14

Foreign References:

KR20160101506A	2016-08-25
KR20210128181A	2021-10-26
JP2020106470A	2020-07-09
KR20200119383A	2020-10-20