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Title:
DEVICE AND METHOD FOR INSPECTING LITHIUM PRECIPITATION IN BATTERY CELL
Document Type and Number:
WIPO Patent Application WO/2023/182769
Kind Code:
A1
Abstract:
A device and a method for inspecting lithium precipitation in a battery cell, according to the embodiments of the present invention, comprise forming a magnetic field around a battery cell being inspected, thereby inducing an eddy current, and then comparing an impedance measurement value of the battery cell with standard data so as to detect whether lithium precipitation has occurred in the battery cell, and thus the present invention has high stability and reliability.

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JP2010038839ELECTRONIC DEVICE
Inventors:
YUN SU HYUN (KR)
AN HYO SUN (KR)
JUNG BUM YOUNG (KR)
Application Number:
PCT/KR2023/003715
Publication Date:
September 28, 2023
Filing Date:
March 21, 2023
Export Citation:
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Assignee:
LG ENERGY SOLUTION LTD (KR)
International Classes:
H01M10/42; G01N27/02; G01N27/90; G01N27/9013; H01M10/052; H01M50/105
Foreign References:
KR102023739B12019-09-20
KR20210107997A2021-09-02
JP2021077570A2021-05-20
JP2009252644A2009-10-29
JP2009244088A2009-10-22
KR20220035169A2022-03-21
KR20230034950A2023-03-10
Attorney, Agent or Firm:
CHOI, Hee-Kyeong (KR)
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