公开(公告)号：US20220344715A1

公开(公告)日：2022-10-27

申请号：US17762816

申请日：2020-09-09

Applicant: SAMSUNG SDI CO., LTD.

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

IPC: H01M10/0567 ,  H01M10/0569

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

公开(公告)号：US20250167300A1

公开(公告)日：2025-05-22

申请号：US18823497

申请日：2024-09-03

Applicant: Samsung SDI Co., Ltd.

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

IPC: H01M10/0567 ,  H01M10/0525 ,  H01M10/0568

Abstract: An electrolyte solution for a rechargeable lithium battery according to some embodiments includes a non-aqueous organic solvent; a lithium salt; and an additive, wherein the additive includes a first compound represented by Chemical Formula 1, and a second compound represented by Chemical Formula 2.
The definitions of Chemical Formulas 1 and 2 are as described in the specification.

公开(公告)号：US20250158129A1

公开(公告)日：2025-05-15

申请号：US18941584

申请日：2024-11-08

Applicant: SAMSUNG SDI CO., LTD.

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

IPC: H01M10/0569 ,  C07C325/02 ,  C07F9/06 ,  H01M10/0525 ,  H01M10/0567 ,  H01M10/0568

Abstract: An electrolyte solution for a rechargeable lithium battery includes a non-aqueous organic solvent, a lithium salt; and an additive, wherein the additive includes a first compound and a second compound.

公开(公告)号：US20250079518A1

公开(公告)日：2025-03-06

申请号：US18776127

申请日：2024-07-17

Applicant: SAMSUNG SDI CO., LTD.

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

IPC: H01M10/0567 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569

Abstract: An electrolyte additive for a rechargeable lithium battery includes a polymer obtained by polymerizing first compound represented by Chemical Formula 1, Chemical Formula 2, or Chemical Formula 3 as a monomer; and second compound represented by Chemical Formula 4.

公开(公告)号：US20240363899A1

公开(公告)日：2024-10-31

申请号：US18003122

申请日：2022-03-30

Applicant: SAMSUNG SDI CO., LTD.

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

IPC: H01M10/0567 ,  C07F9/6593 ,  H01M4/02 ,  H01M4/36 ,  H01M4/38 ,  H01M4/525 ,  H01M4/587 ,  H01M10/0525 ,  H01M10/42

CPC classification number: H01M10/0567 ,  C07F9/65815 ,  H01M4/364 ,  H01M4/366 ,  H01M4/386 ,  H01M4/525 ,  H01M4/587 ,  H01M10/0525 ,  H01M10/4235 ,  H01M2004/027 ,  H01M2004/028 ,  H01M2300/0025

Abstract: 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：US20240356073A1

公开(公告)日：2024-10-24

申请号：US18497693

申请日：2023-10-30

Applicant: SAMSUNG SDI CO., LTD.

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

IPC: H01M10/0567 ,  C07C69/007 ,  C07D327/04 ,  C07D497/10 ,  H01M10/052

CPC classification number: H01M10/0567 ,  C07C69/007 ,  C07D327/04 ,  C07D497/10 ,  H01M10/052 ,  H01M2300/0025

Abstract: This disclosure relates to an electrolyte for a rechargeable lithium battery and a rechargeable lithium battery including the same. Some embodiments provide an electrolyte additive for a rechargeable lithium battery including a non-aqueous organic solvent; a lithium salt; a first additive including at least one selected from an additive represented by Chemical Formula 1 and an additive represented by Chemical Formula 2; and a second additive represented by Chemical Formula 3:

公开(公告)号：US20240128508A1

公开(公告)日：2024-04-18

申请号：US18012883

申请日：2022-03-30

Applicant: SAMSUNG SDI CO., LTD.

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

IPC: H01M10/0567 ,  H01M4/38 ,  H01M4/525 ,  H01M4/583

CPC classification number: H01M10/0567 ,  H01M4/386 ,  H01M4/525 ,  H01M4/583 ,  H01M10/052

Abstract: 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：US20230307707A1

公开(公告)日：2023-09-28

申请号：US18003110

申请日：2021-12-20

Applicant: SAMSUNG SDI CO., LTD.

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

IPC: H01M10/0567 ,  H01M10/0569

CPC classification number: H01M10/0567 ,  H01M10/0569 ,  H01M2300/0037

Abstract: Provided are an electrolyte for a rechargeable lithium battery and a rechargeable lithium battery including the same, the electrolyte including a nonaqueous 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, the first compound and the second compound are included in an amount of 0.1 to 10 wt%, respectively. Details of Chemical Formulas 1 and 2 are the same as those described in the specification.

公开(公告)号：US20230238578A1

公开(公告)日：2023-07-27

申请号：US18007734

申请日：2021-04-30

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Junyong LEE ,  Pavel SHATUNOV ,  Soojin KIM ,  Injun PARK ,  Tae Jin LEE ,  Hyejeong JEONG ,  Hyunbong CHOI ,  Jungmin HAN

IPC: H01M10/0567 ,  H01M10/0568 ,  H01M4/525 ,  H01M4/505 ,  H01M10/0525

CPC classification number: H01M10/0567 ,  H01M10/0568 ,  H01M4/525 ,  H01M4/505 ,  H01M10/0525 ,  H01M2004/028

Abstract: Provided is an electrolyte for a lithium secondary battery, 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.




The definitions of each of the substituents in Chemical Formula 1 are as set forth in the detailed description.

公开(公告)号：US20230015911A1

公开(公告)日：2023-01-19

申请号：US17896406

申请日：2022-08-26

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 ,  H01M10/0568 ,  H01M4/525 ,  H01M10/44

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