公开(公告)号：US20250158126A1

公开(公告)日：2025-05-15

申请号：US18941643

申请日：2024-11-08

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Tae Jin LEE ,  Minseo KIM ,  Dahyun KIM ,  Myungheui WOO

IPC: H01M10/0567 ,  H01M10/0525

Abstract: The electrolyte solution for a rechargeable lithium battery according to some example embodiments includes a non-aqueous organic solvent, a lithium salt, and an additive, wherein the additive includes a first compound and a second compound which is or includes a nitrile-based compound containing three or more cyano groups.

公开(公告)号：US20240047746A1

公开(公告)日：2024-02-08

申请号：US18002853

申请日：2022-04-06

Applicant: SAMSUNG SDI CO., LTD.

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

IPC: H01M10/0567 ,  H01M10/0525 ,  H01M4/587 ,  H01M4/38 ,  H01M4/133 ,  H01M4/134

CPC classification number: H01M10/0567 ,  H01M10/0525 ,  H01M4/587 ,  H01M4/386 ,  H01M4/133 ,  H01M4/134 ,  H01M2004/021

Abstract: 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：US20230361347A1

公开(公告)日：2023-11-09

申请号：US18044971

申请日：2021-11-17

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Tae Jin LEE ,  Dahyun KIM ,  Minseo KIM ,  Sanghoon KIM ,  Taehoon KIM ,  Bongjin MOON ,  Myungheui WOO ,  Wonseok CHO ,  Sanghyung KIM ,  Hyejin PARK ,  Bokyung RYU

IPC: H01M10/0567 ,  H01M4/525 ,  H01M4/485 ,  H01M10/0568 ,  H01M4/505 ,  H01M10/052

CPC classification number: H01M10/0567 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052 ,  H01M10/0568 ,  H01M2004/028

Abstract: Provided are an additive represented by Chemical Formula 1, an electrolyte for a lithium secondary battery including the same, and a lithium secondary battery. Details of Chemical Formula 1 are the same as those described in the specification.

公开(公告)号：US20210083328A1

公开(公告)日：2021-03-18

申请号：US17011203

申请日：2020-09-03

Applicant: SAMSUNG SDI CO., LTD.

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

IPC: H01M10/0567 ,  H01M10/0525 ,  H01M10/0569 ,  H01M4/131 ,  H01M4/134 ,  H01M4/525 ,  H01M4/505

Abstract: 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, R1 to R6 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：US20250167354A1

公开(公告)日：2025-05-22

申请号：US18798471

申请日：2024-08-08

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Tae Jin LEE

IPC: H01M50/131 ,  H01M10/052 ,  H01M50/586 ,  H01M50/595

Abstract: A rechargeable lithium battery includes an electrode assembly, a battery case housing the electrode assembly, and a gas capturing layer between the battery case and the electrode assembly, where the gas capturing layer includes a compound represented by one selected from among Chemical Formula 1 to Chemical Formula 4:

公开(公告)号：US20250030084A1

公开(公告)日：2025-01-23

申请号：US18497942

申请日：2023-10-30

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Tae Jin LEE ,  Myungheui WOO

IPC: H01M10/654 ,  H01M4/36 ,  H01M4/62 ,  H01M10/052

Abstract: A positive electrode and a rechargeable lithium battery including the same, and the positive electrode includes a current collector, a positive electrode including a positive active material, and a heat suppression layer between the current collector and the positive active material layer, wherein a thickness ratio of the heat suppression layer and the positive active material layer is about 1:5 to about 1:20.

公开(公告)号：US20240413397A1

公开(公告)日：2024-12-12

申请号：US18646626

申请日：2024-04-25

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Tae Jin LEE ,  Si-Young CHA ,  Inah KANG ,  Minji SIM ,  Hanmam JEONG

IPC: H01M10/0567 ,  C07D405/14 ,  C07F9/06 ,  C07F9/6574 ,  H01M10/0525 ,  H01M10/0569

Abstract: An electrolyte for a rechargeable lithium battery and a rechargeable lithium battery including the same are provided. The electrolyte includes a non-aqueous organic solvent; a lithium salt; a first additive represented by Chemical Formula 1, and a second additive represented by Chemical Formula 2.

公开(公告)号：US20240162489A1

公开(公告)日：2024-05-16

申请号：US17768341

申请日：2020-09-24

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Tae Jin LEE ,  Soojin KIM ,  Suyeol RYU ,  Kyu-Eun SHIM ,  Junyong LEE ,  Wonseok CHO ,  Hyunbong CHOI ,  Jungmin HAN

IPC: H01M10/0567

CPC classification number: H01M10/0567 ,  H01M10/0525

Abstract: Provided is an electrolyte for a secondary lithium battery, comprising a non-aqueous organic solvent, a lithium salt, and an additive, the additive including a compound represented by Chemical Formula 1.
The details of Chemical Formula 1 are as described in the specification.

公开(公告)号：US20230318034A1

公开(公告)日：2023-10-05

申请号：US18012887

申请日：2022-02-16

Applicant: SAMSUNG SDI CO., LTD.

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

IPC: H01M10/0567

CPC classification number: H01M10/0567

Abstract: Provided are an electrolyte for a rechargeable lithium battery and a rechargeable lithium battery including 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 represented by Chemical Formula 1 and a second compound represented by Chemical Formula 2.
Details of Chemical Formulas 1 and 2 are the same as those described in the specification.

公开(公告)号：US20230318033A1

公开(公告)日：2023-10-05

申请号：US18003679

申请日：2021-12-06

Applicant: SAMSUNG SDI CO., LTD. ,  SOGANG UNIVERSITY RESEARCH & BUSINESS DEVELOPMENT FOUNDATION

Inventor： Tae Jin LEE ,  Bongjin MOON ,  Youngchan BANG ,  Wonseok CHO ,  Soojin KIM ,  Sanghoon KIM ,  Injun PARK ,  Myungheui WOO ,  Junyong LEE ,  Hyejeong JEONG

IPC: H01M10/0567 ,  H01M4/525 ,  H01M10/0569 ,  C07C323/52 ,  C08G75/16

CPC classification number: H01M10/0567 ,  C07C323/52 ,  C08G75/16 ,  H01M4/525 ,  H01M10/0569 ,  H01M2004/028 ,  H01M2300/004

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