Title:
WELDING APPARATUS FOR CYLINDRICAL BATTERY CELL
Document Type and Number:
WIPO Patent Application WO/2022/260375
Kind Code:
A1
Abstract:
A welding apparatus according to an embodiment of the present invention comprises a welding rod which is inserted into a winding center hole provided in the center of a winding of an electrode assembly inserted into a battery can, and is configured to weld an electrode tab of the electrode assembly or an electrical connection component connected to the electrode tab to the bottom surface of the battery can. The welding rod includes: a center rod positioned at a central portion of the welding rod in the radial direction; and an outer cover which covers the outer circumferential surface of the center rod and is installed so as to be operable in a first direction moving away from the center rod and a second direction approaching the center rod.
Inventors:
WOO JAE-YOUNG (KR)
RYU DUK-HYUN (KR)
RYU DUK-HYUN (KR)
Application Number:
PCT/KR2022/007951
Publication Date:
December 15, 2022
Filing Date:
June 03, 2022
Export Citation:
Assignee:
LG ENERGY SOLUTION LTD (KR)
International Classes:
B23K11/06; H01M10/04; H01M50/528; B23K101/36
Foreign References:
| KR20200062896A | 2020-06-04 | |||
| KR20180058376A | 2018-06-01 | |||
| KR20120138076A | 2012-12-24 | |||
| KR20140000263U | 2014-01-14 | |||
| US20200094347A1 | 2020-03-26 | |||
| KR20210075731A | 2021-06-23 | |||
| KR20220063978A | 2022-05-18 |
Attorney, Agent or Firm:
PHIL & ONZI INT'L PATENT & LAW FIRM (KR)
Download PDF: