公开(公告)号：US11784347B2

公开(公告)日：2023-10-10

申请号：US17041414

申请日：2019-02-12

Applicant: Samsung SDI Co., Ltd.

Inventor： Soojin Kim ,  Sangjae Park ,  Yongbeom Lee ,  Jeongdoo Yi

IPC: H01M10/0567 ,  C07F9/146 ,  H01M10/052

CPC classification number: H01M10/0567 ,  C07F9/146 ,  H01M10/052 ,  H01M2300/0025

Abstract: The present invention relates to an electrolyte for a rechargeable lithium, battery and a rechargeable lithium battery including same, wherein the electrolyte for a rechargeable lithium battery may comprise: a non-aqueous organic solvent, a lithium salt, a first additive containing a compound represented by chemical formula 1, and a second additive containing a magnesium salt.

公开(公告)号：US11600861B2

公开(公告)日：2023-03-07

申请号：US16904773

申请日：2020-06-18

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: H01M6/16 ,  H01M10/0567 ,  H01M10/0525 ,  H01M10/0569 ,  H01M10/0568 ,  H01M4/525 ,  H01M10/44 ,  H01M4/02

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：US11367900B2

公开(公告)日：2022-06-21

申请号：US17023272

申请日：2020-09-16

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Jin-Hyeok Lim ,  Younghye Kang ,  Soojin Kim ,  Aeran Kim ,  Suyeol Ryu ,  Injun Park ,  Jinah Seo ,  Jeongmin Shin ,  Junyong Lee ,  Tae Jin Lee ,  Myunghwan Jeong ,  Hyejeong Jeong ,  Wonseok Cho ,  Olga Tsay ,  Hyunbong Choi ,  Pavel Shatunov

IPC: H01M6/04 ,  H01M10/0567 ,  H01M4/36 ,  H01M4/587 ,  H01M4/38 ,  H01M4/525 ,  H01M10/0525 ,  C01G51/00 ,  C01G53/00 ,  C07F9/06 ,  H01M10/0568

Abstract: The present invention relates to a lithium secondary battery. The lithium secondary battery includes a positive electrode including a positive active material; a negative electrode including a negative active material; and an electrolyte including a non-aqueous organic solvent, a lithium salt, and an additive including a compound represented by Chemical Formula 1. The negative active material includes Si at about 0.1 wt % to about 32 wt % in amount based on a total weight of the negative active material. wherein, in Chemical Formula 1, A is a substituted or unsubstituted aliphatic chain or (—C2H4—O—C2H4-)n, and n is an integer from 1 to 10.

公开(公告)号：US11056720B2

公开(公告)日：2021-07-06

申请号：US16655136

申请日：2019-10-16

Applicant: Samsung SDI Co., Ltd.

Inventor： Pavel Shatunov ,  Olga Tsay ,  Aeran Kim ,  Hyunbong Choi ,  Jin-Hyeok Lim ,  Jungmin Han ,  Myunghwan Jeong ,  Soojin Kim

IPC: H01M6/04 ,  H01M10/0567 ,  H01M10/054

Abstract: The present invention relates to an electrolyte for a lithium secondary battery including an electrolyte, the electrolyte including a non-aqueous organic solvent, a lithium salt, and an additive including a compound represented by Chemical Formula 1; and wherein an amount of the additive is 0.1 wt % to 10 wt % based on the total the electrolyte, and the lithium secondary battery has an energy density of 200 Wh/L or more: wherein, in Chemical Formula 1, A is a substituted or unsubstituted aliphatic chain or (—C2H4—O—C2H4-)n, and n is an integer from 1 to 10.

公开(公告)号：US20160056504A1

公开(公告)日：2016-02-25

申请号：US14730103

申请日：2015-06-03

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Seungtae Lee ,  Myunghoon Kim ,  Taehyun Bae ,  Aeran Kim ,  Woocheol Shin ,  Soojin Kim

IPC: H01M10/0567 ,  H01M10/0525

CPC classification number: H01M10/0567 ,  H01M10/052 ,  H01M10/0525 ,  H01M2300/0025 ,  Y02T10/7011

Abstract: An electrolyte for a lithium battery and a lithium battery including the electrolyte. The electrolyte is employed in the lithium battery so as to improve cycle characteristics of the lithium battery that is operable at high voltages.

Abstract translation: 用于锂电池的电解质和包括电解质的锂电池。 在锂电池中使用电解质，以改善可在高电压下工作的锂电池的循环特性。

公开(公告)号：US20240322128A1

公开(公告)日：2024-09-26

申请号：US18477428

申请日：2023-09-28

Applicant: Samsung SDI Co., Ltd.

Inventor： Inhyuk Son ,  Andrei Kapylou ,  Sangkook Mah ,  Sungnim Jo ,  Kyueun Shim ,  Soojin Kim

IPC: H01M4/36 ,  C01G53/00 ,  H01M4/131 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052

CPC classification number: H01M4/366 ,  C01G53/42 ,  H01M4/131 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052 ,  C01P2002/54 ,  C01P2004/84 ,  C01P2006/40 ,  H01M2004/028

Abstract: 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 on and conformed to a surface of the core, where the shell includes: at least one first metal oxide represented by MaOb (where 0

公开(公告)号：US11908999B2

公开(公告)日：2024-02-20

申请号：US17081062

申请日：2020-10-27

Applicant: SAMSUNG SDI CO., LTD. ,  POSTECH Research and Business Development Foundation

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

IPC: H01M4/00 ,  H01M10/0567 ,  C07F9/38 ,  H01M4/36 ,  H01M4/38 ,  H01M4/505 ,  H01M4/525 ,  H01M4/587 ,  H01M10/0525

CPC classification number: H01M10/0567 ,  C07F9/3826 ,  C07F9/3886 ,  H01M4/364 ,  H01M4/366 ,  H01M4/386 ,  H01M4/505 ,  H01M4/525 ,  H01M4/587 ,  H01M10/0525 ,  H01M2300/0025

Abstract: 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, R1 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：US11728514B2

公开(公告)日：2023-08-15

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 ,  H01M4/131 ,  H01M4/134 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/0569 ,  H01M4/02

CPC classification number: H01M10/0567 ,  H01M4/131 ,  H01M4/134 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/0569 ,  H01M2004/027 ,  H01M2004/028

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：US11038203B2

公开(公告)日：2021-06-15

申请号：US16655118

申请日：2019-10-16

Applicant: Samsung SDI Co., Ltd.

Inventor： Pavel Shatunov ,  Olga Tsay ,  Aeran Kim ,  Hyunbong Choi ,  Jin-Hyeok Lim ,  Jungmin Han ,  Myunghwan Jeong ,  Soojin Kim

IPC: H01M6/04 ,  H01M10/0567 ,  H01M10/0525 ,  H01M4/525 ,  C07F9/06 ,  H01M10/0568 ,  H01M4/02

Abstract: The present invention relates to a lithium secondary battery including a positive electrode including a positive active material, the positive active material including a nickel-containing lithium transition metal compound; a negative electrode including a negative active material; and an electrolyte including a non-aqueous organic solvent, a lithium salt, and an additive comprising a compound represented by Chemical Formula 1, wherein the content of Ni is 60 mol % or more based on 100 mol % of the total transition metals in the lithium transition metal compound. wherein, in Chemical Formula 1, A is a substituted or unsubstituted aliphatic chain or (—C2H4—O—C2H4—)n, and n is an integer from 1 to 10.

公开(公告)号：US10985404B2

公开(公告)日：2021-04-20

申请号：US16655123

申请日：2019-10-16

Applicant: Samsung SDI Co., Ltd.

Inventor： Pavel Shatunov ,  Olga Tsay ,  Aeran Kim ,  Hyunbong Choi ,  Jin-Hyeok Lim ,  Jungmin Han ,  Myunghwan Jeong ,  Soojin Kim

IPC: H01M6/04 ,  H01M10/0567 ,  H01M10/0569 ,  H01M10/0525

Abstract: The present invention relates to an electrolyte for a lithium secondary battery, and a lithium secondary battery including the electrolyte. The electrolyte includes a non-aqueous organic solvent; a lithium salt; a first additive including a compound represented by Chemical Formula 1; and a second additive including LiN(CxF2x+1SO2)(CyF2y+1SO2), wherein 0≤x≤20 and 0≤y≤20: wherein, in Chemical Formula 1, A is a substituted or unsubstituted aliphatic chain or (—C2H4—O—C2H4-)n, and n is an integer from 1 to 10.