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Title:
ELECTRODE ROLLING DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/075984
Kind Code:
A1
Abstract:
An electrode rolling device according to the present invention applies pressure to an uncoated portion of an electrode and comprises a first rolling roller and a second rolling roller, wherein the first rolling roller includes a first center portion in the longitudinal direction and a first end portion located at one end of the first center portion, the second rolling roller includes a second center portion in the longitudinal direction and a second end portion located at one end of the second center portion, the other end surface of the first center portion and the other end surface of the second center portion are in contact with each other, the (1-1)th outer diameter of the first center portion connected to the first end portion is different from the (1-2)th outer diameter of the first center portion in contact with the other end surface of the second center portion, the (2-1)th outer diameter of the second center portion connected to the second end portion is different from the (2-2)th outer diameter of the second center portion in contact with the other end surface of the first center portion, the (1-2)th outer diameter is the same as the (2-2)th outer diameter, and the first end portion or the second end portion is adjacent to the boundary of an insulating coating portion and a non-insulating coating portion.

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Inventors:
KIM YONG DAE (KR)
Application Number:
PCT/KR2023/012730
Publication Date:
April 11, 2024
Filing Date:
August 28, 2023
Export Citation:
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Assignee:
LG ENERGY SOLUTION LTD (KR)
International Classes:
H01M4/04; B30B3/00; B30B3/04
Foreign References:
KR20220126836A2022-09-19
KR20190059210A2019-05-30
KR20220067239A2022-05-24
Attorney, Agent or Firm:
KIM, Sung Ho (KR)
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