BATTERY DIAGNOSTIC DEVICE, AND OPERATION METHOD THEREFOR
Publication
EP4711789A1
Kind: A1
Mar 18, 2026
Applicants
LG Energy Solution, Ltd.
Inventors
YOON, Ho Byung
Abstract
A battery diagnosis apparatus includes an information obtaining unit configured to obtain current and voltage data of each of a plurality of battery cells and a controller configured to determine a target period based on a current of each of the plurality of battery cells, calculate at least one parameter value of an equivalent circuit model by using the voltage data of each of the plurality of battery cells, corresponding to the target period, and diagnose a state of each of the plurality of battery cells, based on the at least one parameter value.
IPC Classifications
G01R 31/396 20190101AFI20241220BHEP
G01R 31/385 20190101ALI20241220BHEP
G01R 31/367 20190101ALI20241220BHEP
H02J 7/00 20260101ALI20241220BHEP
H01M 10/0525 20100101ALI20241220BHEP
Designated States
AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, ME, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR