US 11,742,521 B2
Electrolyte solution for lithium secondary battery and lithium secondary battery comprising same
Yoon Sung Lee, Suwon-si (KR); Seung Min Oh, Incheon (KR); Sung Ho Ban, Hwaseong-si (KR); Ko Eun Kim, Cheongju-si (KR); Jun Ki Rhee, Suwon-si (KR); Woo Young Jin, Busan (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, Hwaseong-si (KR)
Assigned to HYUNDAI MOTOR COMPANY, Seoul (KR); KIA CORPORATION, Seoul (KR); and UNIST (ULSAN NATIONAL INSTITUTE 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 Jun. 3, 2021, as Appl. No. 17/338,244.
Claims priority of application No. 10-2020-0141277 (KR), filed on Oct. 28, 2020.
Prior Publication US 2022/0131190 A1, Apr. 28, 2022
Int. Cl. H01M 10/0567 (2010.01); H01M 10/0525 (2010.01); H01M 10/0569 (2010.01); C07D 249/06 (2006.01); H01M 10/0568 (2010.01)
CPC H01M 10/0567 (2013.01) [C07D 249/06 (2013.01); H01M 10/0525 (2013.01); H01M 10/0568 (2013.01); H01M 10/0569 (2013.01); H01M 2300/0025 (2013.01)] 9 Claims
OG exemplary drawing
 
1. An electrolyte solution for a lithium secondary battery, the electrolyte solution comprising:
an electrolyte salt;
an organic solvent; and
an additive comprising 5-(4-cyanophenyl)-1-(4-fluorobenzyl)-1H-1,2,3-triazole-4-carbonitrile represented by Chemical Formula 1 below:

OG Complex Work Unit Chemistry