公开(公告)号：US12074287B2

公开(公告)日：2024-08-27

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 ,  H01M10/0568 ,  H01M10/0569

CPC classification number: H01M10/0567 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2300/0028

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：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：US11056719B2

公开(公告)日：2021-07-06

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: H01M6/04 ,  H01M10/0567 ,  H01M10/0525 ,  H01M10/0568 ,  C07F9/06 ,  H01M50/10 ,  H01M50/116 ,  H01M50/124

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：US11038204B2

公开(公告)日：2021-06-15

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: H01M6/04 ,  H01M10/0567 ,  H01M10/0525 ,  H01M4/587 ,  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 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：US10396400B2

公开(公告)日：2019-08-27

申请号：US15679260

申请日：2017-08-17

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Minju Lee ,  Woocheol Shin ,  Seungtae Lee ,  Vladimir Egorov ,  Soojin Kim

IPC: H01M10/0567 ,  H01M10/0569 ,  H01M10/0564 ,  H01M10/052

Abstract: An electrolyte for a lithium battery includes an organic solvent; and a compound represented by Formula 1: wherein, in Formula 1, X1 to X4, A1 to A4, and R1 to R4 are further defined in the specification.

公开(公告)号：US09590275B2

公开(公告)日：2017-03-07

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: H01M10/0569 ,  H01M10/0567 ,  H01M10/0525 ,  H01M10/052

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：US20160218392A1

公开(公告)日：2016-07-28

申请号：US14996123

申请日：2016-01-14

Applicant: Samsung SDI Co., Ltd.

Inventor： Seungtae Lee ,  Soojin Kim ,  Minju Lee ,  Woocheol Shin

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

CPC classification number: H01M10/0567 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2220/20 ,  H01M2220/30 ,  H01M2300/0028 ,  H01M2300/0037 ,  Y02E60/122 ,  Y02T10/7011

Abstract: The present disclosure provides an organic electrolytic solution including an organic solvent, a lithium salt, one or more ester sulfate compounds, and one or more phosphoric acid-based ester compounds, and a lithium battery including the organic electrolytic. The lifetime characteristics and high temperature storage characteristics of lithium batteries including this organic electrolytic solution composition may be improved

Abstract translation: 本公开内容提供了包含有机溶剂，锂盐，一种或多种酯硫酸盐化合物和一种或多种磷酸酯化合物的有机电解液和包含有机电解质的锂电池。 可以提高包含该有机电解液组合物的锂电池的寿命特性和高温保存特性

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：US20250038255A1

公开(公告)日：2025-01-30

申请号：US18013203

申请日：2021-12-29

Applicant: Samsung SDI Co., Ltd.

Inventor： Soojin Kim ,  Jinah Seo ,  Junyong Lee ,  Hyejeong Jeong ,  Olga TSAY ,  Sunjoo Choi ,  Sanghoon Kim ,  Yunhee Kim

IPC: H01M10/0567 ,  H01M10/052

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 an additive, wherein the additive includes an isocyanate-based additive and a carbonate-based additive, wherein the ratio of the weight of the carbonate-based additive to the weight of the isocyanate-based additive is greater than 1.

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.