Title:
IMPEDANCE MEASUREMENT APPARATUS AND OPERATING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2024/043641
Kind Code:
A1
Abstract:
An impedance measurement apparatus, according to an embodiment of the present invention, comprises: a plurality of detection modules that detect response signals respectively corresponding to a plurality of battery cells; and a control module that calculates, on the basis of the response signals, impedances respectively corresponding to the plurality of battery cells, wherein each of the plurality of detection modules includes a supply unit that supplies input power to a corresponding battery cell, and a detection unit that detects, during a detection time, a response signal of the corresponding battery cell with respect to the input power, and the control module may adjust the detection time for the plurality of detection modules.
Inventors:
KIM KI HYUN (KR)
Application Number:
PCT/KR2023/012342
Publication Date:
February 29, 2024
Filing Date:
August 21, 2023
Export Citation:
Assignee:
LG ENERGY SOLUTION LTD (KR)
International Classes:
G01R31/389; G01R27/02; G01R31/36; G01R31/367
Foreign References:
| KR20200117794A | 2020-10-14 | |||
| KR101100974B1 | 2011-12-29 | |||
| KR20170116427A | 2017-10-19 | |||
| KR20140004519A | 2014-01-13 | |||
| US20210126295A1 | 2021-04-29 |
Attorney, Agent or Firm:
BAE, KIM & LEE IP (KR)
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