Title:
EDDY CURRENT SENSOR FOR INSPECTING CRACKS IN BATTERY CELL, AND SYSTEM FOR DETECTING CRACKS IN BATTERY CELL COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2022/097991
Kind Code:
A1
Abstract:
The present invention relates to an eddy current sensor for inspecting cracks in a battery cell, and a system for detecting cracks in a battery cell comprising same, wherein the presence and location of cracks generated on electrodes, electrode tabs, or welded portions can be easily detected.
Inventors:
PARK JI WON (KR)
KIM KWANG HYUN (KR)
HEO YEON HYUK (KR)
JEONG JAE WON (KR)
HAN EUN GU (KR)
HWANG MIN SU (KR)
LEE MYUNG HAN (KR)
KIM KWANG HYUN (KR)
HEO YEON HYUK (KR)
JEONG JAE WON (KR)
HAN EUN GU (KR)
HWANG MIN SU (KR)
LEE MYUNG HAN (KR)
Application Number:
PCT/KR2021/015230
Publication Date:
May 12, 2022
Filing Date:
October 27, 2021
Export Citation:
Assignee:
LG ENERGY SOLUTION LTD (KR)
International Classes:
G01N27/90
Foreign References:
| JP2009252644A | 2009-10-29 | |||
| US6291992B1 | 2001-09-18 | |||
| KR20120031939A | 2012-04-04 | |||
| KR20200005290A | 2020-01-15 | |||
| KR102023739B1 | 2019-09-20 | |||
| KR20200147011A | 2020-11-05 |
Other References:
See also references of EP 4067892A4
Attorney, Agent or Firm:
KIM, Hong Gyun (KR)
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