US 12,438,193 B2
Electrolyte solution for a lithium secondary battery and a lithium secondary battery including same
Yoon Sung Lee, Suwon-si (KR); Jun Ki Rhee, Suwon-si (KR); Hui Beom Nam, Hwaseong-si (KR); Ko Eun Kim, Cheongju-si (KR); Sung Ho Ban, Hwaseong-si (KR); Sang Kyu Kwak, Ulsan (KR); Nam Soon Choi, Ulsan (KR); Sung You Hong, Ulsan (KR); Hyeong Jun Kim, Ulsan (KR); Seo Young Jeong, Ulsan (KR); Hyeon Gyu Moon, Ulsan (KR); and Min Pyeong Kim, Ulsan (KR)
Assigned to HYUNDAI MOTOR COMPANY, Seoul (KR); KIA CORPORATION, Seoul (KR); and UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY), Seoul (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 Nov. 17, 2022, as Appl. No. 17/988,998.
Claims priority of application No. 10-2022-0070868 (KR), filed on Jun. 10, 2022.
Prior Publication US 2023/0402649 A1, Dec. 14, 2023
Int. Cl. H01M 10/0567 (2010.01); H01M 4/02 (2006.01); H01M 4/38 (2006.01); H01M 4/583 (2010.01); H01M 4/62 (2006.01); H01M 10/0568 (2010.01); H01M 10/0569 (2010.01); H01M 50/46 (2021.01)
CPC H01M 10/0567 (2013.01) [H01M 4/386 (2013.01); H01M 4/583 (2013.01); H01M 4/624 (2013.01); H01M 10/0568 (2013.01); H01M 10/0569 (2013.01); H01M 50/46 (2021.01); H01M 2004/027 (2013.01); H01M 2004/028 (2013.01); H01M 2300/0028 (2013.01)] 10 Claims
OG exemplary drawing
 
1. An electrolyte for a lithium secondary battery, the electrolyte comprising:
a lithium salt;
a solvent; and
a functional additive comprising 5,5-diallyl-3-(tert-butyldimethylsilyl)oxazolidin-2-one represented by the following chemical formula as a positive electrode film additive:

OG Complex Work Unit Chemistry