US 11,728,515 B2
Electrolyte for lithium secondary battery and lithium secondary battery including the same
Sung Jin Kim, Daejeon (KR); Dai In Park, Daejeon (KR); Myoung Lae Kim, Daejeon (KR); and Joo Hyun Lee, Daejeon (KR)
Assigned to SK ON CO., LTD., Seoul (KR)
Filed by SK ON CO., LTD., Seoul (KR)
Filed on Feb. 26, 2021, as Appl. No. 17/186,152.
Claims priority of application No. 10-2020-0025398 (KR), filed on Feb. 28, 2020.
Prior Publication US 2021/0273261 A1, Sep. 2, 2021
Int. Cl. H01M 10/0567 (2010.01); H01M 10/0525 (2010.01); H01M 10/0568 (2010.01); H01M 10/0569 (2010.01)
CPC H01M 10/0567 (2013.01) [H01M 10/0525 (2013.01); H01M 10/0568 (2013.01); H01M 10/0569 (2013.01); H01M 2300/0028 (2013.01)] 9 Claims
OG exemplary drawing
 
1. An electrolyte for a lithium secondary battery comprising:
an organic solvent;
a lithium salt; and
an additive including a cyclic ether-sulfate-based compound,
wherein the cyclic ether-sulfate-based compound includes an ether group and a sulfate group which form a single ring structure.