US 11,901,541 B2
Electrode shaping apparatus having notching pilot pin and electrode shaping method using the same
Tae Yoon Kong, Daejeon (KR); and Seung Hyun Lim, Daejeon (KR)
Assigned to LG Energy Solution, Ltd.
Appl. No. 18/013,114
Filed by LG Energy Solution, Ltd., Seoul (KR)
PCT Filed Oct. 15, 2021, PCT No. PCT/KR2021/014395
§ 371(c)(1), (2) Date Dec. 27, 2022,
PCT Pub. No. WO2022/080966, PCT Pub. Date Apr. 21, 2022.
Claims priority of application No. 10-2020-0134693 (KR), filed on Oct. 16, 2020.
Prior Publication US 2023/0335702 A1, Oct. 19, 2023
Int. Cl. H01M 4/04 (2006.01)
CPC H01M 4/043 (2013.01) 10 Claims
OG exemplary drawing
 
1. An electrode shaping apparatus comprising:
a sheet transfer unit configured to move an electrode sheet at a predetermined speed;
a fixing unit configured to fix the electrode sheet; and
a punch unit including:
a center punching unit configured to remove a central part of the electrode sheet; and
a side punching unit configured to remove a portion of an outer periphery of the electrode sheet by notching,
wherein the center punching unit comprises a hole punching member and a notching pilot pin.