Invention Grant
- Patent Title: Apparatus for measuring peel strength of battery part using electromagnet and peel strength measurement method using the same
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Application No.: US16959664Application Date: 2019-07-23
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Publication No.: US11808693B2Publication Date: 2023-11-07
- Inventor: Yeon Kyong Wang , Chan Woo Park , Jin Seop Kwak
- Applicant: LG CHEM, LTD.
- Applicant Address: KR Seoul
- Assignee: LG Energy Solution, Ltd.
- Current Assignee: LG Energy Solution, Ltd.
- Current Assignee Address: KR Seoul
- Agency: Morgan, Lewis & Bockius LLP
- Priority: KR 20180128606 2018.10.26
- International Application: PCT/KR2019/009111 2019.07.23
- International Announcement: WO2020/085619A 2020.04.30
- Date entered country: 2020-07-01
- Main IPC: G01N19/04
- IPC: G01N19/04 ; G01N3/08

Abstract:
Disclosed is a peel strength measurement apparatus using an electromagnet, the peel strength measurement apparatus including a test piece fixing unit configured to fix a test piece including at least two layers, a magnetic material attached to at least one surface of the test piece, an electromagnet configured to apply magnetic force to the magnetic material, a power supply unit configured to supply electric power to the electromagnet such that the electromagnet can generate a magnetic field, and a current controller configured to control the supply of electric power from the power supply unit to the electromagnet.
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