公开(公告)号：US20210020989A1

公开(公告)日：2021-01-21

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 ,  H01M10/0525 ,  H01M10/0569 ,  H01M4/525 ,  H01M4/505 ,  H01M4/38

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：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：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.

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：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：US20150111091A1

公开(公告)日：2015-04-23

申请号：US14264971

申请日：2014-04-29

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Junyong LEE ,  Seungyeol YOO ,  Huijun LEE

IPC: H01M4/66

CPC classification number: H01M4/66 ,  H01M2/16 ,  H01M2/1653 ,  H01M2/26 ,  H01M10/04 ,  H01M10/0413 ,  H01M10/0436 ,  H01M10/0463 ,  H01M2200/00

Abstract: A rechargeable secondary battery including: a case; an electrode assembly accommodated in the case, the electrode assembly including an active material coating portion and an active material non-coating portion; a light absorbing member coupled to the electrode assembly; and a collector plate welded to the electrode assembly and contacting the active material non-coating portion.

Abstract translation: 一种可充电二次电池，包括：壳体; 容纳在壳体中的电极组件，电极组件包括活性材料涂覆部分和活性材料非涂覆部分; 耦合到所述电极组件的光吸收构件; 以及与电极组件焊接并接触活性材料非涂覆部分的集电板。

公开(公告)号：US20230178805A1

公开(公告)日：2023-06-08

申请号：US17995476

申请日：2021-03-02

Applicant: SAMSUNG SDI CO., LTD.

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

IPC: H01M10/0567 ,  H01M10/0525 ,  H01M4/525 ,  H01M4/38 ,  H01M10/0568

CPC classification number: H01M10/0567 ,  H01M10/0525 ,  H01M4/525 ,  H01M4/386 ,  H01M4/387 ,  H01M10/0568 ,  H01M2004/028

Abstract: The present invention relates to: an electrolyte for a rechargeable lithium battery, the electrolyte including a non-aqueous organic solvent, a lithium salt, and an electrolyte additive for a rechargeable lithium battery, the electrolyte additive including a compound represented by Chemical Formula 1; and a rechargeable lithium battery comprising the electrolyte for a rechargeable lithium battery. Chemical Formula 1 is as defined in the specification.

公开(公告)号：US20230170526A1

公开(公告)日：2023-06-01

申请号：US17905927

申请日：2021-01-20

Applicant: SAMSUNG SDI CO., LTD.

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

IPC: H01M10/0567 ,  H01M10/0525 ,  H01M10/0568 ,  H01M4/525 ,  H01M4/505 ,  H01M4/485

CPC classification number: H01M10/0567 ,  H01M10/0525 ,  H01M10/0568 ,  H01M4/525 ,  H01M4/505 ,  H01M4/485 ,  H01M2004/028

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

公开(公告)号：US20210005932A1

公开(公告)日：2021-01-07

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

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：US20250118801A1

公开(公告)日：2025-04-10

申请号：US18729813

申请日：2022-12-09

Applicant: SAMSUNG SDI CO., LTD. ,  IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)

Inventor： Woo Jin BAE ,  Shinya WAKITA ,  Kang Hee LEE ,  Junyong LEE ,  Jongseok MOON ,  Jongseok PARK ,  Jinhwan PARK ,  Hyunsik WOO ,  Heemin KIM ,  Su-Jin PYO ,  A-Hyeon BAN ,  Dong-Won KIM

IPC: H01M10/0565 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/0567 ,  H01M10/0568 ,  H01M10/0569

Abstract: Disclosed is a rechargeable lithium battery including a positive electrode, a negative electrode, a separator between the positive electrode and the negative electrode, and a gel polymer electrolyte, wherein the positive electrode includes a positive electrode active material including a lithium cobalt-based oxide; the gel polymer electrolyte includes a polymer and an electrolyte solution; the polymer has three or more functional groups but not include an ether group; the electrolyte includes a lithium salt and a solvent; and the lithium slat includes lithium difluoro(oxalato)borate and LiBF4.