US 12,247,926 B2
System for detecting defect of electrode tab and method for detecting defect of electrode tab using the same
Jung Han Kim, Daejeon (KR)
Assigned to LG Energy Solution, Ltd., Seoul (KR)
Appl. No. 17/917,147
Filed by LG Energy Solution, Ltd., Seoul (KR)
PCT Filed Dec. 22, 2021, PCT No. PCT/KR2021/019632
§ 371(c)(1), (2) Date Oct. 5, 2022,
PCT Pub. No. WO2022/177123, PCT Pub. Date Aug. 25, 2022.
Claims priority of application No. 10-2021-0020860 (KR), filed on Feb. 17, 2021.
Prior Publication US 2023/0184690 A1, Jun. 15, 2023
Int. Cl. G01N 21/88 (2006.01); G06T 7/00 (2017.01); G01N 21/84 (2006.01)
CPC G01N 21/88 (2013.01) [G06T 7/001 (2013.01); G01N 2021/8411 (2013.01); G01N 2021/8887 (2013.01); G06T 2207/30164 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A system for detecting a defect of an electrode tab, the system comprising:
a gripper configured to grasp a unit cell including an electrode and to transfer the unit cell to a magazine, wherein the gripper has an exposed area formed so that a portion of an area facing an electrode tab of the electrode is exposed; and
a visual inspection unit configured to check whether the electrode tab is detected in the exposed area of the gripper when the unit cell is grasped.