Patent ID: 11862791
Assignee: LG ENERGY SOLUTION, LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 0:
1. A lithium electrode comprising:
a lithium metal; and
a protective layer on at least one surface of the lithium metal,
wherein the protective layer comprises a copolymer containing an acetal and a fluorine-based material,
wherein the copolymer is a random copolymer of a monomer A containing the acetal and a monomer B containing the fluorine-based material; and
wherein the monomer containing the fluorine-based material is at least one selected from the group consisting of 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluorodecyl 5-norbornene-2-carboxylate; N-(3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluorodecyl)-5-norbornene-exo-2,3-dicarboximide; N-(2-(2,2,3,3,4,4,4-heptafluorobutyl))-5-norbornene-2,3-dicarboxylic acid;, N-(2-(2,2,3,3,4,4,4-heptafluorobutyl))-5-norbornene-exo-2,3-dicarboximide;, N-(pentafluorophenyl)-5-norbornene-2,3-dicarboxylic acid; and N-(pentafluorophenyl)-5-norbornene-exo-2,3-dicarboximide.