US 11,870,066 B2
Lithium electrode manufacturing apparatus and manufacturing method
Gi Su Park, Daejeon (KR); Minsun Song, Daejeon (KR); Jaegil Lee, Daejeon (KR); Kyungsik Hong, Daejeon (KR); and Jong Mo Jung, Daejeon (KR)
Assigned to LG ENERGY SOLUTION, LTD., Seoul (KR)
Appl. No. 17/043,892
Filed by LG CHEM, LTD., Seoul (KR)
PCT Filed Dec. 9, 2019, PCT No. PCT/KR2019/017262
§ 371(c)(1), (2) Date Sep. 30, 2020,
PCT Pub. No. WO2020/117022, PCT Pub. Date Jun. 11, 2020.
Claims priority of application No. 10-2018-0156543 (KR), filed on Dec. 7, 2018; and application No. 10-2019-0161907 (KR), filed on Dec. 6, 2019.
Prior Publication US 2021/0367232 A1, Nov. 25, 2021
Int. Cl. H01M 10/04 (2006.01); H01M 4/40 (2006.01); B65H 35/00 (2006.01); H01M 4/1395 (2010.01)
CPC H01M 4/405 (2013.01) [B65H 35/008 (2013.01); H01M 4/1395 (2013.01); B65H 2301/51536 (2013.01)] 14 Claims
 
1. An apparatus for manufacturing a lithium electrode, comprising:
a lithium metal film supply portion configured to supply a lithium metal film;
a cutting stage comprising a plurality of adsorption holes and a plurality of unit electrode pattern grooves formed on an upper surface of the cutting stage; and
a laser irradiation portion configured to cut the lithium metal film into a plurality of unit electrodes.