Title:
SECONDARY BATTERY MANUFACTURING APPARATUS, SECONDARY BATTERY MANUFACTURING METHOD USING SAME, AND SECONDARY BATTERY MANUFACTURED USING SAME
Document Type and Number:
WIPO Patent Application WO/2024/019595
Kind Code:
A1
Abstract:
The present invention relates to a secondary battery manufacturing apparatus, a secondary battery manufacturing method using same, and a secondary battery manufactured using same and, more specifically, to a secondary battery manufacturing apparatus for cutting electrode tabs of a secondary battery, a secondary battery manufacturing method using same, and a secondary battery manufactured using same. The present invention provides a secondary battery manufacturing apparatus for manufacturing a secondary battery including: an electrode assembly in which electrodes and separators are alternately stacked; and an electrode tab attached to the electrodes, the apparatus including: a cutter which is located on one side of the electrode tab and moves toward the electrode tab to cut an area to be cut of the electrode tab; and a fixed die provided on the other side of the electrode tab to be staggered with respect to the cutter, wherein the cutter includes: a pressing surface which presses the electrode tab; and an inclined surface which is provided at a position corresponding to the area to be cut, and extends obliquely away from the electrode tab from an end of the pressing surface.
Inventors:
PARK YU SEON (KR)
JEGAL JONG PIL (KR)
JEGAL JONG PIL (KR)
Application Number:
PCT/KR2023/010614
Publication Date:
January 25, 2024
Filing Date:
July 21, 2023
Export Citation:
Assignee:
LG ENERGY SOLUTION LTD (KR)
International Classes:
H01M50/564; B26D1/00; B26D1/04; B26D7/00; H01M10/04; H01M50/559
Foreign References:
| JP2009110813A | 2009-05-21 | |||
| KR20220035741A | 2022-03-22 | |||
| KR20210103180A | 2021-08-23 | |||
| KR102065736B1 | 2020-01-13 | |||
| CN109894660A | 2019-06-18 |
Attorney, Agent or Firm:
BAE, KIM & LEE IP (KR)
Download PDF: