BATTERY DIAGNOSIS APPARATUS AND METHOD

Title:

BATTERY DIAGNOSIS APPARATUS AND METHOD

Document Type and Number:

WIPO Patent Application WO/2024/096584

Kind Code:

A1

Abstract:

A battery diagnosis apparatus according to an embodiment of the present invention comprises: a data acquisition unit configured to measure battery information including a voltage and a current of a battery in a charging cycle of the battery; and a control unit configured to calculate a constant current charging capacity ratio and a constant voltage charging capacity ratio during the charging cycle on the basis of the battery information, and determine the type of degradation of the battery on the basis of the constant current charging capacity ratio and the constant voltage charging capacity ratio.

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Inventors:

BAE YOON-JUNG (KR)
WOO KYUNG-HWA (KR)
JEONG HEE-SEOK (KR)
CHA A-MING (KR)

Application Number:

PCT/KR2023/017289

Publication Date:

May 10, 2024

Filing Date:

November 01, 2023

Export Citation:

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Assignee:

LG ENERGY SOLUTION LTD (KR)

International Classes:

G01R31/392; G01R31/367; G01R31/3842; G01R31/396

Foreign References:

KR20120056200A	2012-06-01
KR101952406B1	2019-02-26
KR20180005345A	2018-01-16
KR20200111014A	2020-09-28
JP2002162451A	2002-06-07

Attorney, Agent or Firm:

PHIL & ONZI INT'L PATENT & LAW FIRM (KR)

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