公开(公告)号：US20250158119A1

公开(公告)日：2025-05-15

申请号：US18766280

申请日：2024-07-08

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Olga TSAY ,  Seunghyeon SON ,  SANGHOON KIM ,  TAE HYON BAE ,  Harim LEE ,  Youngkyeong SHIN ,  Sanghyung KIM

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

Abstract: An electrolyte for a rechargeable lithium battery includes a non-aqueous organic solvent, a lithium salt, and a salt additive including a sulfonyl group substituted with a perhalogenated alkyl group and a cyano group. In addition, a rechargeable lithium battery including the electrolyte is also disclosed.

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.

公开(公告)号：US20200052337A1

公开(公告)日：2020-02-13

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: 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：US20200343589A1

公开(公告)日：2020-10-29

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 ,  H01M4/505 ,  H01M4/36 ,  H01M4/38 ,  H01M4/587 ,  C07F7/10

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：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：US20190288337A1

公开(公告)日：2019-09-19

申请号：US16298169

申请日：2019-03-11

Applicant: Samsung SDI Co., Ltd.

Inventor： Hyunbong CHOI ,  Pavel SHATUNOV ,  Olga TSAY ,  Hyejin PARK ,  Myungheui WOO ,  Harim LEE ,  Jin-Hyeok LIM ,  Wonseok CHO

IPC: H01M10/0567 ,  H01M10/0525

Abstract: An electrolyte for a rechargeable lithium battery, including a non-aqueous organic solvent, a lithium salt, and an additive is disclosed. The additive includes a compound represented by Chemical Formula 1. In Chemical Formula 1, each substituent is the same as described in the detailed description.

公开(公告)号：US20240186577A1

公开(公告)日：2024-06-06

申请号：US18481158

申请日：2023-10-04

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Sangwoo Park ,  Wonseok Cho ,  Sanghyung Kim ,  Pavel SHATUNOV ,  Olga TSAY ,  Myungheui Woo ,  Hyejin Park ,  Sanghoon Kim ,  Bokyung Ryu

IPC: H01M10/0567 ,  C07F9/6578 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569

CPC classification number: H01M10/0567 ,  C07F9/6578 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2300/004

Abstract: An electrolyte for a lithium secondary battery and a lithium secondary battery including the same are provided. The electrolyte may include a lithium salt, an organic solvent, and an additives (e.g., sulfolane, cyclic phosphate, cyclic phosphite) that form a cathode electrolyte interface film to protect the surface of a positive electrode. Utilization of the additives may improve cycle-life characteristics and suppress or reduce increases to resistance during high-temperature storage of the lithium secondary battery.

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：US20220263131A1

公开(公告)日：2022-08-18

申请号：US17627102

申请日：2020-07-08

Applicant: Samsung SDI Co., Ltd.

Inventor： Olga TSAY ,  Hyejin PARK ,  Myungheui WOO ,  Hyunbong CHOI ,  Pavel SHATUNOV

IPC: H01M10/0567 ,  H01M10/0525 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0569 ,  H01M10/0568

Abstract: Provided are an electrolyte additive for lithium secondary battery including a compound represented by Formula 1 below, an electrolyte for lithium secondary battery including the same, and a lithium secondary battery including the electrolyte. wherein, in Formula 1, R1 to R3 are as defined in the detailed description.