公开(公告)号：US11728513B2

公开(公告)日：2023-08-15

申请号：US16857307

申请日：2020-04-24

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Harim Lee ,  Younghye Kang ,  Aeran Kim ,  Hyejin Park ,  Myungheui Woo ,  Duckjae You ,  Taejin Lee ,  Jinhyeok Lim ,  Wonseok Cho ,  Olga Tsay ,  Hyunbong Choi ,  Pavel Shatunov

IPC: H01M10/0567 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569 ,  H01M4/525 ,  H01M4/587 ,  H01M4/505 ,  C07F7/10 ,  H01M4/36 ,  H01M4/38

CPC classification number: H01M10/0567 ,  C07F7/10 ,  H01M4/364 ,  H01M4/386 ,  H01M4/505 ,  H01M4/525 ,  H01M4/587 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2300/004

Abstract: An electrolyte additive for a lithium secondary battery, an electrolyte, and a lithium secondary battery, the additive comprising a compound represented by Formula 1 below:

公开(公告)号：US20250132401A1

公开(公告)日：2025-04-24

申请号：US18678003

申请日：2024-05-30

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

Inventor： INYEONG KANG ,  Wonseok Cho ,  Yun Jeong Choe ,  Bongjin Moon ,  Minyoung KIM ,  Hyelin JEON

IPC: H01M10/42 ,  C07C247/18 ,  C07C323/52 ,  H01M10/052 ,  H01M10/056

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

公开(公告)号：US12218309B2

公开(公告)日：2025-02-04

申请号：US17630120

申请日：2020-07-28

Applicant: Samsung SDI Co., Ltd.

Inventor： Jinhyeok Lim ,  Pavel Shatunov ,  Olga Tsay ,  Younghye Kang ,  Aeran Kim ,  Hyejin Park ,  Myungheui Woo ,  Duckjae You ,  Taejin Lee ,  Harim Lee ,  Wonseok Cho ,  Hyunbong Choi

IPC: H01M10/0567 ,  H01M4/02 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/0569

Abstract: 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, R1 to R6 are as defined in the detailed description.

公开(公告)号：US12015120B2

公开(公告)日：2024-06-18

申请号：US16927116

申请日：2020-07-13

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Hyunbong Choi ,  Younghye Kang ,  Dongyoung Kim ,  Soojin Kim ,  Aeran Kim ,  Suyeol Ryu ,  Jeongmin Shin ,  Junyong Lee ,  Tae Jin Lee ,  Jin-Hyeok Lim ,  Myunghwan Jeong ,  Wonseok Cho ,  Pavel Shatunov ,  Jungmin Han

IPC: H01M10/0567 ,  H01M4/02 ,  H01M4/38 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/0569

CPC classification number: H01M10/0567 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/0569 ,  H01M2004/027 ,  H01M2004/028 ,  H01M4/382 ,  H01M2300/0025 ,  H01M2300/0028 ,  Y02E60/10

Abstract: 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：US11936001B2

公开(公告)日：2024-03-19

申请号：US16592667

申请日：2019-10-03

Applicant: Samsung SDI Co., Ltd.

Inventor： Hyejin Park ,  Younghye Kang ,  Aeran Kim ,  Myungheui Woo ,  Duckjae You ,  Taejin Lee ,  Harim Lee ,  Jinhyeok Lim ,  Wonseok Cho ,  Hyunbong Choi

IPC: H01M10/0567 ,  C07F7/18 ,  H01M4/02 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569

CPC classification number: H01M10/0567 ,  C07F7/1896 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2004/028 ,  H01M2300/0025

Abstract: An additive for a lithium secondary battery includes a compound represented by Formula 1 below, where R1 to R4 are as defined in the disclosure. An electrolyte for a lithium secondary battery includes: a lithium salt; a non-aqueous organic solvent; and the additive. A lithium secondary battery includes: a cathode; an anode; and the electrolyte.

公开(公告)号：US20230402651A1

公开(公告)日：2023-12-14

申请号：US18013841

申请日：2022-02-28

Applicant: Samsung SDI Co., Ltd.

Inventor： Sangwoo Park ,  Hyejin Park ,  Seungyeop Oh ,  Myungheui Woo ,  Wonseok Cho

IPC: H01M10/0567 ,  H01M10/0568

CPC classification number: H01M10/0567 ,  H01M10/0568

Abstract: Provided are a novel compound, and an additive, an electrolyte and a lithium secondary battery, which include the same. The compound includes: a cyclic sulfonyl group; and a silyl group linked thereto, the silyl group containing an unsaturated hydrocarbon group, and when the compound is used as an additive in an electrolyte for a lithium secondary battery, resistance characteristics during high-temperature storage and low-temperature discharge capacity of a lithium secondary battery may be improved.

公开(公告)号：US12294055B2

公开(公告)日：2025-05-06

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：US20240120539A1

公开(公告)日：2024-04-11

申请号：US18003863

申请日：2022-08-26

Applicant: Samsung SDI Co., Ltd.

Inventor： Junyong Lee ,  Sanghoon Kim ,  Soojin Kim ,  Yunhee Kim ,  Suyeol Ryu ,  Jinah Seo ,  Hyejeong Jeong ,  Wonseok Cho ,  Sunjoo Choi

IPC: H01M10/0567 ,  H01M4/485 ,  H01M4/525 ,  H01M10/052 ,  H01M10/0568 ,  H01M10/0569

CPC classification number: H01M10/0567 ,  H01M4/485 ,  H01M4/525 ,  H01M10/052 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2004/028 ,  H01M2300/0065

Abstract: Disclosed are an electrolyte for a lithium secondary battery, and a lithium secondary battery. The electrolyte for a lithium secondary battery includes a lithium salt; an organic solvent; and an additive, wherein the additive includes a compound represented by Formula 1.




In Formula 1, R1 to R5 are as defined in the detailed description of the disclosure.

公开(公告)号：US20240088439A1

公开(公告)日：2024-03-14

申请号：US18233773

申请日：2023-08-14

Applicant: Samsung SDI Co., Ltd.

Inventor： Jinhyeok Lim ,  Yunhee Kim ,  Wonseok Cho ,  Sujeong Koh ,  Jinah Seo ,  Erang Cho

IPC: H01M10/0567 ,  H01M4/1315 ,  H01M10/0568 ,  H01M10/0569

CPC classification number: H01M10/0567 ,  H01M4/1315 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/052

Abstract: An electrolyte for a lithium secondary battery and a lithium secondary battery including the electrolyte are disclosed. The electrolyte may include a lithium salt, an organic solvent, and a compound represented by Formula 1:




where, in Formula 1, A is oxygen or sulfur.

公开(公告)号：US20230327200A1

公开(公告)日：2023-10-12

申请号：US18003943

申请日：2021-12-29

Applicant: Samsung SDI Co., Ltd.

Inventor： Wonseok Cho ,  Dahyun Kim ,  Minseo Kim ,  Sangwoo Park ,  Seungyeop Oh ,  Myungheui Woo ,  Taejin Lee

IPC: H01M10/0567 ,  H01M10/0569

CPC classification number: H01M10/0567 ,  H01M10/0569 ,  H01M2300/004

Abstract: Disclosed are an electrolyte for a lithium secondary battery, and a lithium secondary battery including the same, the electrolyte including: a lithium salt; an organic solvent; and a compound represented by Formula 1.




In Formula 1, L, X, X1, X2, and X3 are as defined herein.