US 11,958,941 B2
Polymer for gel polymer electrolyte, gel polymer electrolyte and lithium secondary battery comprising the same
Jeongae Yoon, Daejeon (KR); Solji Park, Daejeon (KR); Kyoung Ho Ahn, Daejeon (KR); Sujeong Kim, Daejeon (KR); Chul Haeng Lee, Daejeon (KR); and Sung Soo Yoon, Daejeon (KR)
Assigned to LG Energy Solution, Ltd., Seoul (KR)
Appl. No. 17/295,994
Filed by LG Chem, Ltd., Seoul (KR)
PCT Filed Aug. 10, 2020, PCT No. PCT/KR2020/010564
§ 371(c)(1), (2) Date May 21, 2021,
PCT Pub. No. WO2021/025544, PCT Pub. Date Feb. 11, 2021.
Claims priority of application No. 10-2019-0096806 (KR), filed on Aug. 8, 2019.
Prior Publication US 2022/0025126 A1, Jan. 27, 2022
Int. Cl. H01M 10/0525 (2010.01); C08G 77/442 (2006.01); H01M 10/0565 (2010.01)
CPC C08G 77/442 (2013.01) [H01M 10/0525 (2013.01); H01M 10/0565 (2013.01); H01M 2300/0082 (2013.01); H01M 2300/0085 (2013.01)] 11 Claims
 
1. A polymer for a gel polymer electrolyte, comprising:
a copolymer having a main chain and a first side chain and a second side chain bonded to the main chain, wherein the main chain comprises a fluoropolymer, wherein the first side chain comprises a siloxane group grafted to the main chain, and wherein the second side chain comprises an acrylic polymer.