公开(公告)号：EP4297129A1

公开(公告)日：2023-12-27

申请号：EP21926937.0

申请日：2021-12-29

申请人： Samsung SDI Co., Ltd.

发明人： KIM, Da Hyun ,  KIM, Min Seo ,  KIM, Sang Hyung ,  KIM, Sang Hoon ,  PARK, Hye Jin ,  WOO, Myung Heui ,  RYU, Bo Kyung ,  LEE, Tae Jin

IPC分类号： H01M4/62 ,  H01M4/131 ,  H01M10/0567 ,  H01M10/052 ,  H01M4/02

摘要： Provided are a cathode for a lithium secondary battery and a lithium secondary battery including the same. The cathode for a lithium secondary battery may improve low-temperature lifespan characteristics of a lithium secondary battery, by including: a positive active material; and an additive including a compound represented by Formula 1 below:

wherein in Formula 1, Ar, R 1 , R 2 , and Y are as defined in the detailed description.

公开(公告)号：EP4276966A1

公开(公告)日：2023-11-15

申请号：EP21917902.5

申请日：2021-12-07

申请人： Samsung SDI Co., Ltd.

发明人： TSAY, Olga ,  PARK, Hye Jin ,  SHATUNOV, Pavel ,  KIM, Sang Hyung ,  PARK, Sang Woo ,  WOO, Myung Heui ,  RYU, Bo Kyung ,  CHO, Won Seok

IPC分类号： H01M10/0567 ,  H01M6/16 ,  H01M10/052

摘要： An electrolyte for a lithium battery and a lithium battery including the same are provided. The electrolyte for a lithium battery may include: a lithium salt; a non-aqueous organic solvent; and an additive including a compound represented by Formula 1.