US 11,749,838 B2
Electrolyte solution for lithium secondary batteries and lithium secondary battery including the same
Ko Eun Kim, Cheongju-si (KR); Sung Ho Ban, Hwaseong-si (KR); Yoon Sung Lee, Suwon-si (KR); Seung Min Oh, Incheon (KR); Ik Kyu Kim, Gwangmyeong-si (KR); Sang Kyu Kwak, Ulsan (KR); Nam Soon Choi, Ulsan (KR); Sung You Hong, Ulsan (KR); Woo Gyum Kim, Ulsan (KR); Dae Yeon Hwang, Ulsan (KR); and Hyeon Gyu Moon, Ulsan (KR)
Assigned to Hyundai Motor Company, Seoul (KR); Kia Corporation, Seoul (KR); and UNIST (Ulsan National Insitute of Science and Technology), Ulsan (KR)
Filed by HYUNDAI MOTOR COMPANY, Seoul (KR); Kia Corporation, Seoul (KR); and UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY), Ulsan (KR)
Filed on Aug. 5, 2021, as Appl. No. 17/394,927.
Claims priority of application No. 10-2020-0147719 (KR), filed on Nov. 6, 2020.
Prior Publication US 2022/0149432 A1, May 12, 2022
Int. Cl. H01M 10/0567 (2010.01); H01M 10/0525 (2010.01); H01M 10/0568 (2010.01); H01M 10/0569 (2010.01); H01M 4/38 (2006.01); H01M 4/02 (2006.01); H01M 4/525 (2010.01); H01M 4/587 (2010.01); H01M 4/505 (2010.01)
CPC H01M 10/0567 (2013.01) [H01M 10/0525 (2013.01); H01M 10/0568 (2013.01); H01M 10/0569 (2013.01); H01M 4/386 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 4/587 (2013.01); H01M 2004/027 (2013.01); H01M 2004/028 (2013.01); H01M 2300/0025 (2013.01)] 9 Claims
OG exemplary drawing
 
1. An electrolyte solution for lithium secondary batteries, the electrolyte solution comprising:
a lithium salt;
a solvent; and
a functional additive,
wherein the functional additive comprises a first positive-electrode film additive, which is 2-(2′((tert-butoxycarbonyl)amino)ethoxy)-ethyl p-methylbenzenesulfonate, represented by the following Formula 1:

OG Complex Work Unit Chemistry