US 11,658,340 B2
Electrolyte composition for lithium secondary battery and lithium secondary battery including the same
Jae Won Lee, Daejeon (KR); Kyoung Ho Ahn, Daejeon (KR); Chul Haeng Lee, Daejeon (KR); Jung Hoon Lee, Daejeon (KR); and Won Kyung Shin, Daejeon (KR)
Assigned to LG ENERGY SOLUTION, LTD., Seoul (KR)
Filed by LG CHEM, LTD., Seoul (KR)
Filed on Feb. 7, 2020, as Appl. No. 16/784,746.
Application 16/784,746 is a continuation in part of application No. PCT/KR2018/015132, filed on Nov. 30, 2018.
Claims priority of application No. 10-2017-0164113 (KR), filed on Dec. 1, 2017; and application No. 10-2018-0151896 (KR), filed on Nov. 30, 2018.
Prior Publication US 2020/0185771 A1, Jun. 11, 2020
Prior Publication US 2020/0185771 A1, Jun. 11, 2020
Int. Cl. H01M 10/0565 (2010.01); H01M 10/0568 (2010.01); H01M 10/0567 (2010.01); H01M 10/0525 (2010.01); C08F 216/14 (2006.01); C08F 218/08 (2006.01); C08F 220/36 (2006.01); C08J 3/075 (2006.01); C08K 3/32 (2006.01); C08F 216/06 (2006.01)
CPC H01M 10/0565 (2013.01) [C08F 216/06 (2013.01); C08F 216/1458 (2013.01); C08F 218/08 (2013.01); C08F 220/36 (2013.01); C08J 3/075 (2013.01); C08K 3/32 (2013.01); H01M 10/0525 (2013.01); H01M 10/0567 (2013.01); H01M 10/0568 (2013.01); C08J 2329/04 (2013.01); C08J 2329/10 (2013.01); C08J 2331/04 (2013.01); C08J 2333/14 (2013.01); C08K 2003/324 (2013.01); H01M 2300/0025 (2013.01); H01M 2300/0082 (2013.01); H01M 2300/0085 (2013.01); H01M 2300/0091 (2013.01)] 18 Claims
 
1. A thermosetting electrolyte composition for a lithium secondary battery, the thermosetting electrolyte composition comprising:
LiPF6 as a first lithium salt,
a non-aqueous organic solvent, and
a polymer or oligomer containing: a unit represented by Formula 1,
wherein the polymer or oligomer is included in an amount of 0.6 wt % to 15 wt % based on a total weight of the thermosetting electrolyte composition for a lithium secondary battery:

OG Complex Work Unit Chemistry
wherein, in Formula 1,
R is substituted or unsubstituted alkylene group having 1 to 5 carbon atoms,
R1 is —OH or

OG Complex Work Unit Chemistry
wherein R′ is a substituted or unsubstituted alkylene group having 2 to 3 carbon atoms, R″ is hydrogen, —OH, or a substituted or unsubstituted alkyl group having 1 to 3 carbon atoms, and b is an integer of 0 or 1,
R2 is a substituted or unsubstituted alkylene group having 1 to 5 carbon atoms or a substituted or unsubstituted alkenylene group having 2 to 5 carbon atoms,
R1 is a substituted or unsubstituted cycloalkyl group having 3 to 10 carbon atoms which contains a ketone group or a substituted or unsubstituted heterocycloalkyl group having 2 to 10 carbon atoms which contains a ketone group,
a is an integer of 0 or 1, and
k, m, and n are numbers of repeating units,
wherein k is an integer of 1 to 7,000,
m is an integer of 0 to 2,000,
n is an integer of 1 to 600, and
n is not 0

OG Complex Work Unit Chemistry

OG Complex Work Unit Chemistry

OG Complex Work Unit Chemistry