公开(公告)号：EP4210143A1

公开(公告)日：2023-07-12

申请号：EP22788330.3

申请日：2022-04-06

申请人： Samsung SDI Co., Ltd.

发明人： KIM, Sanghyung ,  LEE, Tae Jin ,  KIM, Minseo ,  WOO, Myungheui ,  PARK, Hyejin ,  KIM, Sanghoon ,  KIM, Dahyun ,  RYU, Bokyung

IPC分类号： H01M10/0567 ,  H01M10/052 ,  H01M4/525

摘要： Provided are an additive represented by Chemical Formula 1, an electrolyte for a rechargeable lithium battery including the same, and a rechargeable lithium battery.
The details of Chemical Formula 1 are as set forth in the specification.

公开(公告)号：EP4007030A1

公开(公告)日：2022-06-01

申请号：EP20848662.1

申请日：2020-07-28

申请人： Samsung SDI Co., Ltd.

发明人： LIM, Jin Hyeok ,  SHATUNOV, Pavel ,  TSAY, Olga ,  KANG, Young Hye ,  KIM, Ae Ran ,  PARK, Hye Jin ,  WOO, Myung Heui ,  YOU, Duck Jae ,  LEE, Tae Jin ,  LEE, Ha Rim ,  CHO, Won Seok ,  CHOI, Hyun Bong

IPC分类号： H01M10/0567 ,  H01M4/525 ,  H01M4/505 ,  H01M10/052

摘要： Provided are an electrolyte additive for lithium secondary batteries, an electrolyte for lithium secondary batteries including the same, and a lithium secondary battery including the electrolyte, the additive including a compound represented by Formula 1 below:

In Formula 1, R 1 to R 6 are as defined in the detailed description.

公开(公告)号：EP3985782A2

公开(公告)日：2022-04-20

申请号：EP21202444.2

申请日：2021-10-13

申请人： Samsung SDI Co., Ltd.

发明人： LEE, Tae Jin ,  KIM, Byeong Jo

IPC分类号： H01M10/44 ,  H01M10/48

摘要： The present disclosure relates to a battery pack capable of detecting an abnormal state of a battery connector. In an example embodiment, the battery pack comprises: a battery including a plurality of battery cells; a battery connector electrically connected to an electrode terminal of the battery and connected to an external connector; a temperature sensing unit for measuring a temperature of the battery connector; a charging/discharging control unit for controlling charging and discharging of the battery; and a main control unit for determining an abnormal state of the battery connector, wherein, when the temperature of the battery connector is higher than a reference temperature, the main control unit may determine that a contact of the battery connector is poor to then issue a reconnection command.

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：EP4261976A1

公开(公告)日：2023-10-18

申请号：EP22846320.4

申请日：2022-03-30

申请人： Samsung SDI Co., Ltd.

发明人： KIM, Minseo ,  LEE, Tae Jin ,  WOO, Myungheui ,  KIM, Dahyun

IPC分类号： H01M10/0567 ,  H01M10/052

摘要： Provided are an electrolyte for a rechargeable lithium battery including a non-aqueous organic solvent, a lithium salt, and an additive, wherein the additive is a composition including a first compound and a second compound, the first compound is a cesium salt compound, and the second compound includes a second compound represented by Chemical Formula 1A or Chemical Formula 1B, and a rechargeable lithium battery including the same.
Details of the above Chemical Formula 1A and Chemical Formula 1B are as described in the specification.

公开(公告)号：EP4239748A1

公开(公告)日：2023-09-06

申请号：EP22879573.8

申请日：2022-03-30

申请人： Samsung SDI Co., Ltd.

发明人： RA, Hana ,  LEE, Tae Jin ,  KIM, Minseo ,  WOO, Myungheui ,  PARK, Hyejin ,  RYU, Bokyung

IPC分类号： H01M10/0567 ,  H01M4/525 ,  H01M4/505 ,  H01M10/052

摘要： Provided is a rechargeable lithium battery including an electrolyte including a non-aqueous organic solvent, a lithium salt, and an additive; a positive electrode including a positive electrode active material; and a negative electrode including a negative electrode active material, wherein the additive includes at least one of the first compound and the second compound, the first compound is a substituted or unsubstituted C1 to C20 alkyl group including at least one nitrile group, a substituted or unsubstituted C2 to C20 alkenyl group including at least one nitrile group, a substituted or unsubstituted C2 to C20 alkynyl group including at least one nitrile group, a substituted or unsubstituted C1 to C20 alkoxy group including at least one nitrile group, a substituted or unsubstituted C6 to C20 aryl group including at least one nitrile group, or a combination of thereof, the second compound is cyclic phosphazene, and the positive electrode active material includes cobalt-free lithium nickel manganese-based oxide.

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：EP4312284A2

公开(公告)日：2024-01-31

申请号：EP23154760.5

申请日：2023-02-02

申请人： Samsung SDI Co., Ltd.

发明人： PARK, Hyejin ,  YANG, Yeji ,  CHO, Wonseok ,  LEE, Tae Jin ,  PARK, Sangwoo ,  KIM, Sundae ,  KIM, Sanghyung ,  KIM, Minseo ,  WOO, Myungheui ,  KIM, Sanghoon ,  RA, Hana ,  RYU, Bokyung

IPC分类号： H01M4/13 ,  H01M4/62

摘要： Provided are a positive electrode including a positive electrode active material, a binder, a conductive material, and an additive represented by Chemical Formula 1 or Chemical Formula 2, and a rechargeable lithium battery including the same.
Details of Chemical Formula 1 and Chemical Formula 2 are as described in the specification.

公开(公告)号：EP4254584A1

公开(公告)日：2023-10-04

申请号：EP22846005.1

申请日：2022-04-06

申请人： Samsung SDI Co., Ltd.

发明人： LEE, Tae Jin ,  KIM, Sanghyung ,  KIM, Minseo ,  WOO, Myungheui ,  PARK, Hyejin ,  KIM, Sanghoon ,  KIM, Dahyun ,  RYU, Bokyung

IPC分类号： H01M10/0567 ,  H01M10/42 ,  H01M10/052

摘要： Disclosed are an electrolyte for a rechargeable lithium battery and a rechargeable lithium battery including the same, the electrolyte including a non-aqueous organic solvent, a lithium salt, and an additive, wherein the additive is a composition including a first compound and a second compound, the first compound is a cesium salt compound, and the second compound is represented by Chemical Formula 1.
Details of Chemical Formula 1 are as described in the specification.