US 11,056,720 B2
Lithium secondary battery comprising electrolyte
Pavel Shatunov, Yongin-si (KR); Olga Tsay, Yongin-si (KR); Aeran Kim, Yongin-si (KR); Hyunbong Choi, Yongin-si (KR); Jin-Hyeok Lim, Yongin-si (KR); Jungmin Han, Yongin-si (KR); Myunghwan Jeong, Yongin-si (KR); and Soojin Kim, Yongin-si (KR)
Assigned to Samsung SDI Co., Ltd., Yongin-si (KR)
Filed by Samsung SDI Co., Ltd., Yongin-si (KR)
Filed on Oct. 16, 2019, as Appl. No. 16/655,136.
Application 16/655,136 is a continuation in part of application No. 16/335,240, granted, now 10,916,806, previously published as PCT/KR2017/009934, filed on Sep. 11, 2017.
Claims priority of application No. 10-2016-0126806 (KR), filed on Sep. 30, 2016.
Prior Publication US 2020/0052337 A1, Feb. 13, 2020
This patent is subject to a terminal disclaimer.
Int. Cl. H01M 6/04 (2006.01); H01M 10/0567 (2010.01); H01M 10/054 (2010.01)
CPC H01M 10/0567 (2013.01) [H01M 10/054 (2013.01); H01M 2300/0025 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A lithium secondary battery, comprising:
an electrolyte comprising a non-aqueous organic solvent, a lithium salt, and an additive comprising a compound represented by Chemical Formula 1,
wherein the additive is 0.1 wt % to 10 wt % in amount based on a total amount of the electrolyte, and
the lithium secondary battery has an energy density of 200 Wh/L or more:

OG Complex Work Unit Chemistry
and
wherein, in Chemical Formula 1, A is a substituted or unsubstituted aliphatic chain or (—C2H4—O—C2H4-)n, and n is an integer from 1 to 10.