US 12,463,207 B2
Lithium metal negative electrode and electrochemical device comprising the same
Do-Joong Lee, Daejeon (KR); and Ki-Hyun Kim, Daejeon (KR)
Assigned to LG Energy Solution, Ltd., Seoul (KR)
Appl. No. 18/289,981
Filed by LG Energy Solution, Ltd., Seoul (KR)
PCT Filed Jan. 12, 2023, PCT No. PCT/KR2023/000611
§ 371(c)(1), (2) Date Nov. 8, 2023,
PCT Pub. No. WO2023/136642, PCT Pub. Date Jul. 20, 2023.
Claims priority of application No. 10-2022-0004911 (KR), filed on Jan. 12, 2022.
Prior Publication US 2024/0274808 A1, Aug. 15, 2024
Int. Cl. H01M 4/48 (2010.01); H01M 4/02 (2006.01); H01M 4/04 (2006.01); H01M 4/36 (2006.01); H01M 4/38 (2006.01); H01M 10/052 (2010.01)
CPC H01M 4/48 (2013.01) [H01M 4/0471 (2013.01); H01M 4/366 (2013.01); H01M 4/382 (2013.01); H01M 10/052 (2013.01); H01M 2004/027 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A lithium metal negative electrode, comprising:
a lithium metal layer; and
an oxide layer on at least one surface of the lithium metal layer,
wherein the oxide layer has a cracked region and a non-cracked region,
wherein the cracked region includes regions of the oxide layer having an opening in a surface of the oxide layer and having a thickness equal to or less than 50% of a maximum thickness of the oxide layer.