公开(公告)号：EP3796450A1

公开(公告)日：2021-03-24

申请号：EP20194196.0

申请日：2020-09-02

申请人： Samsung SDI Co., Ltd.

发明人： CHO, Wonseok ,  KANG, Younghye ,  KIM, Dongyoung ,  KIM, Soojin ,  KIM, Aeran ,  RYU, Suyeol ,  SHIN, Jeongmin ,  LEE, Junyong ,  LEE, Tae Jin ,  LIM, Jin-Hyeok ,  JEONG, Myunghwan ,  CHOI, Hyunbong ,  HAN, Jungmin

IPC分类号： H01M10/0525 ,  H01M10/0567 ,  H01M4/525 ,  H01M4/587

摘要： An additive represented by Chemical Formula 1, an electrolyte for a rechargeable lithium battery including the same, and a rechargeable lithium battery,

wherein, in Chemical Formula 1, R 1 to R 6 are each independently a substituted or unsubstituted C1 to C10 alkyl group, a substituted or unsubstituted C1 to C10 alkoxy group, a substituted or unsubstituted C2 to C10 alkenyl group, a substituted or unsubstituted C3 to C10 cycloalkyl group, a substituted or unsubstituted C3 to C10 cycloalkenyl group, or a substituted or unsubstituted C6 to C20 aryl group.

公开(公告)号：EP3767729A1

公开(公告)日：2021-01-20

申请号：EP20185082.3

申请日：2020-07-09

申请人： Samsung SDI Co., Ltd.

发明人： CHOI, Hyunbong ,  KANG, Younghye ,  KIM, Dongyoung ,  KIM, Soojin ,  KIM, Aeran ,  RYU, Suyeol ,  SHIN, Jeongmin ,  LEE, Junyong ,  LEE, Tae Jin ,  LIM, Jin-Hyeok ,  JEONG, Myunghwan ,  CHO, Wonseok ,  SHATUNOV, Pavel ,  HAN, Jungmin

IPC分类号： H01M10/0525 ,  C07D327/10 ,  C07F9/6571 ,  H01M10/0567

摘要： An additive, an electrolyte for a rechargeable lithium battery, and a rechargeable lithium battery, the additive being represented by Chemical Formula 1:

公开(公告)号：EP4138168A1

公开(公告)日：2023-02-22

申请号：EP21788862.7

申请日：2021-03-02

申请人： Samsung SDI Co., Ltd.

发明人： PARK, Injun ,  KIM, Soojin ,  LEE, Junyong ,  LEE, Tae Jin ,  JEONG, Hyejeong ,  TSAY, Olga ,  CHOI, Hyunbong ,  HAN, Jungmin

IPC分类号： H01M10/0567 ,  H01M10/052

摘要： The present invention relates to: an electrolyte for a rechargeable lithium battery, the electrolyte including a non-aqueous organic solvent, a lithium salt, and an electrolyte additive for a rechargeable lithium battery, the electrolyte additive including a compound represented by Chemical Formula 1; and a rechargeable lithium battery comprising the electrolyte for a rechargeable lithium battery. Chemical Formula 1 is as defined in the specification.

公开(公告)号：EP3817121A1

公开(公告)日：2021-05-05

申请号：EP20204710.6

申请日：2020-10-29

申请人： Samsung SDI Co., Ltd. ,  POSTECH Research and Business Development Foundation

发明人： JEONG, Myunghwan ,  KANG, Younghye ,  KANG, Haneol ,  KIM, Dongyoung ,  KIM, Soojin ,  KIM, Aeran ,  KIM, Hoon ,  RYU, Suyeol ,  PARK, Moon Jeong ,  SHIN, Jeongmin ,  LEE, Junyong ,  LEE, Tae Jin ,  LIM, Jin-Hyeok ,  CHO, Wonseok ,  CHOI, Hyunbong ,  HAN, Jungmin

IPC分类号： H01M10/0567 ,  H01M10/0525 ,  H01M4/587 ,  H01M4/525 ,  H01M4/38 ,  H01M4/36

摘要： An electrolyte for a rechargeable lithium battery and a rechargeable lithium battery including the electrolyte, the electrolyte including a non-aqueous organic solvent; a lithium salt; and an additive, wherein the additive includes a compound represented by Chemical Formula 1:

in Chemical Formula 1, R 1 is a cyano group, a substituted or unsubstituted C2 to C10 alkenyl group, or a substituted or unsubstituted C2 to C10 alkynyl group.

公开(公告)号：EP4435901A1

公开(公告)日：2024-09-25

申请号：EP24155190.2

申请日：2024-02-01

申请人： Samsung SDI Co., Ltd.

发明人： SON, Inhyuk ,  KAPYLOU, Andrei ,  MAH, Sangkook ,  JO, Sungnim ,  SHIM, Kyueun ,  KIM, Soojin

IPC分类号： H01M4/66 ,  H01M10/052 ,  H01M4/62 ,  H01M4/525 ,  H01M4/36 ,  H01M4/02

CPC分类号： H01M4/366 ,  H01M4/525 ,  H01M4/625 ,  H01M4/62 ,  H01M2004/02820130101 ,  H01M4/667 ,  H01M4/661 ,  H01M4/662 ,  H01M10/052

摘要： A composite cathode active material, a cathode and a lithium battery that include the composite cathode active material, and a method of preparing the composite cathode active material are provided. The composite cathode active material includes: a core including a lithium transition metal oxide; and a shell conformed to a surface of the core, where the shell includes: lithium nitrate and a conductive carbon-based composite, the conductive carbon-based composite includes a first metal oxide represented by MaOb (where 0

公开(公告)号：EP4131547A1

公开(公告)日：2023-02-08

申请号：EP21776871.2

申请日：2021-01-20

申请人： Samsung SDI Co., Ltd.

发明人： TSAY, Olga ,  KIM, Soojin ,  CHOI, Hyunbong ,  KANG, Younghye ,  LIM, Jin-Hyeok ,  JEONG, Myunghwan ,  CHO, Wonseok ,  SHATUNOV, Pavel

IPC分类号： H01M10/0567 ,  H01M4/505 ,  H01M4/38 ,  H01M4/48 ,  H01M4/587 ,  H01M4/36 ,  H01M10/052

摘要： Provided are an additive for the electrolyte of a secondary lithium battery, an electrolyte for secondary lithium battery, and a secondary lithium battery comprising same, the additive comprising a compound represented by chemical formula 1.