US 11,894,516 B2
Thermosetting electrolyte composition for lithium secondary battery, gel polymer electrolyte prepared therefrom, and lithium secondary battery including the electrolyte
Kyoung Ho Ahn, Daejeon (KR); Jung Hoon Lee, Daejeon (KR); Won Kyung Shin, Daejeon (KR); Jae Won Lee, Daejeon (KR); Sol Ji Park, Daejeon (KR); and Chul Haeng Lee, Daejeon (KR)
Assigned to LG ENERGY SOLUTION, LTD., Seoul (KR)
Appl. No. 17/056,317
Filed by LG CHEM, LTD., Seoul (KR)
PCT Filed Sep. 10, 2019, PCT No. PCT/KR2019/011738
§ 371(c)(1), (2) Date Nov. 17, 2020,
PCT Pub. No. WO2020/055110, PCT Pub. Date Mar. 19, 2020.
Claims priority of application No. 10-2018-0107915 (KR), filed on Sep. 10, 2018.
Prior Publication US 2021/0257660 A1, Aug. 19, 2021
Int. Cl. H01M 10/0565 (2010.01); H01M 10/0525 (2010.01); H01M 10/0569 (2010.01)
CPC H01M 10/0565 (2013.01) [H01M 10/0525 (2013.01); H01M 10/0569 (2013.01); H01M 2300/0082 (2013.01); H01M 2300/0085 (2013.01)] 10 Claims
 
1. A thermosetting electrolyte composition for a lithium secondary battery, comprising:
a first lithium salt comprising LiPF6,
a second lithium salt which does not include LiPF6,
a non-aqueous organic solvent, and
a polymer or oligomer containing a unit represented by Formula 1:

OG Complex Work Unit Chemistry
wherein, in Formula 1,
R is a substituted or unsubstituted alkylene group having 1 to 5 carbon atoms,
wherein k is a repeating unit having an integer of 10 to 15,000,
m is a repeating unit having an integer of 10 to 30,000, and
n is a repeating unit having an integer of 10 to 30,000.