公开(公告)号：US20230140494A1

公开(公告)日：2023-05-04

申请号：US17904869

申请日：2021-01-20

Applicant: Samsung SDI Co., Ltd.

Inventor： Olga TSAY ,  Soojin KIM ,  Hyunbong CHOI ,  Younghye KANG ,  Jin-Hyeok LIM ,  Myunghwan JEONG ,  Wonseok CHO ,  Pavel SHATUNOV

IPC: H01M10/0567 ,  H01M10/0568 ,  H01M4/485 ,  H01M4/525 ,  H01M4/583 ,  H01M4/38 ,  H01M4/36

Abstract: Provided are an additive for the electrolyte of a secondary lithium battery, an electrolyte for secondary lithium battery, and a secondary lithium battery comprising same, the additive comprising a compound represented by chemical formula 1.

公开(公告)号：US20210265662A1

公开(公告)日：2021-08-26

申请号：US17255169

申请日：2019-06-11

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Soojin KIM ,  Pavel SHATUNOV ,  Sangjae PARK ,  Hyerim LEE

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

Abstract: This disclosure relates to an electrolyte for a lithium secondary battery and a lithium secondary battery including the same.
For example, the electrolyte for a lithium secondary battery includes a non-aqueous organic solvent, a lithium salt, and an additive, wherein the additive includes at least one borate-based lithium salt selected from lithium tetrafluoroborate (LiBF4), lithium bis(oxalate)borate (LiBOB), lithium difluoro(oxalato)borate (LiFOB), lithium bis(2-methyl-2-fluoro-malonato)borate, and a combination thereof; and a compound represented by Chemical Formula 1.
The detailed description of Chemical Formula 1 is the same as that defined in the specification.

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：US20210013546A1

公开(公告)日：2021-01-14

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 ,  H01M10/0525 ,  C07F9/06

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：US20200052336A1

公开(公告)日：2020-02-13

申请号：US16655130

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: H01M10/0567 ,  H01M10/0525 ,  H01M2/02 ,  H01M10/0568 ,  C07F9/06

Abstract: The present invention relates to a lithium secondary battery including an electrolyte including a non-aqueous organic solvent, a lithium salt and an additive comprising a compound represented by Chemical Formula 1; and a battery case in which the electrolyte is housed, wherein the battery case has a shape with a width (W), a height (H), and a thickness (Th), when a maximum value among the width (W), the height (H), and the thickness (Th) is a and a minimum value among the width (W), the height (H), and the thickness (Th) is b, b/a is 0.01 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：US20200052335A1

公开(公告)日：2020-02-13

申请号：US16655126

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: H01M10/0567 ,  H01M10/0525 ,  H01M4/587 ,  H01M10/0568 ,  C07F9/06

Abstract: The present invention relates to a lithium secondary battery including a positive electrode including a positive active material layer, the positive active material layer including a positive active material and a carbonaceous nanostructure; a negative electrode including a negative active material; and an electrolyte. The electrolyte includes a non-aqueous organic solvent, a lithium salt, and an additive including a compound represented by Chemical Formula 1, wherein the amount of the carbonaceous nanostructure is about 0.5 wt % or more and less than 4 wt % based on 100 wt % of the total amount of the positive active material layer. 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：US20230318035A1

公开(公告)日：2023-10-05

申请号：US18014042

申请日：2021-12-10

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Hyejeong JEONG ,  Soojin KIM ,  Olga TSAY ,  Pavel SHATUNOV ,  Yunhee KIM

IPC: H01M10/0567 ,  H01M10/0525 ,  H01M10/0568 ,  H01M4/525 ,  H01M4/36 ,  H01M4/583 ,  H01M4/38

CPC classification number: H01M10/0567 ,  H01M4/364 ,  H01M4/386 ,  H01M4/525 ,  H01M4/583 ,  H01M10/0525 ,  H01M10/0568 ,  H01M2004/028

Abstract: Disclosed are an electrolyte for a lithium battery and a lithium battery including the electrolyte. The electrolyte for a lithium battery may include: a lithium salt; a nonaqueous organic solvent; and an additive including a compound represented by Formula 1 disclosed herein and at least one compound from among compounds represented by Formula 2-1 and Formula 2-2 disclosed herein.