公开(公告)号：US20230268552A1

公开(公告)日：2023-08-24

申请号：US18003717

申请日：2021-12-07

Applicant: Samsung SDI Co., Ltd.

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

IPC: H01M10/0567 ,  H01M10/0569

CPC classification number: H01M10/0567 ,  H01M10/0569 ,  H01M2300/0042

Abstract: An electrolyte for a lithium battery and a lithium battery including the same are provided. The electrolyte for a lithium battery may include: a lithium salt; a non-aqueous organic solvent; and an additive including a compound represented by Formula 1.

公开(公告)号：US20220263132A1

公开(公告)日：2022-08-18

申请号：US17630120

申请日：2020-07-28

Applicant: Samsung SDI Co., Ltd.

Inventor： Jinhyeok Lim ,  Pavel SHATUNOV ,  Olga TSAY ,  Younghye Kang ,  Aeran Kim ,  Hyejin Park ,  Myungheui Woo ,  Duckjae You ,  Taejin Lee ,  Harim Lee ,  Wonseok Cho ,  Hyunbong Choi

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

Abstract: Provided are an electrolyte additive for lithium secondary batteries, an electrolyte for lithium secondary batteries including the same, and a lithium secondary battery including the electrolyte, the additive including a compound represented by Formula 1 below: In Formula 1, R1 to R6 are as defined in the detailed description.

公开(公告)号：US11329318B2

公开(公告)日：2022-05-10

申请号：US16682804

申请日：2019-11-13

Applicant: Samsung SDI Co., Ltd.

Inventor： Wonseok Cho ,  Pavel Shatunov ,  Olga Tsay ,  Younghye Kang ,  Aeran Kim ,  Hyejin Park ,  Myungheui Woo ,  Duckjae You ,  Taejin Lee ,  Harim Lee ,  Jinhyeok Lim ,  Hyunbong Choi

IPC: H01M10/0567 ,  H01M10/0525 ,  H01M4/525 ,  C07F7/10 ,  H01M4/02

Abstract: Disclosed herein is an additive for a lithium secondary battery, the additive including a compound represented by Formula 1. An electrolyte for a lithium secondary battery includes: a lithium salt; a non-aqueous organic solvent; and the additive represented by Formula 1. A lithium secondary battery includes: a cathode; an anode; and the electrolyte including the additive represented by Formula 1.

公开(公告)号：US11283108B2

公开(公告)日：2022-03-22

申请号：US16448899

申请日：2019-06-21

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Harim Lee ,  Hyejin Park ,  Myungheui Woo ,  Jin-Hyeok Lim ,  Hyunbong Choi

IPC: H01M10/0567 ,  H01M10/0525 ,  H01M10/0569 ,  C07F7/08 ,  H01M10/052

Abstract: Disclosed is an electrolyte for a rechargeable lithium battery including a non-aqueous organic solvent, a lithium salt, and an additive, wherein the additive is a compound represented by Chemical Formula 1. In Chemical Formula 1, each substituent is the same as in the detailed description. A rechargeable lithium battery includes: a positive electrode; a negative electrode; and the electrolyte.

公开(公告)号：US11239499B2

公开(公告)日：2022-02-01

申请号：US16705004

申请日：2019-12-05

Applicant: Samsung SDI Co., Ltd.

Inventor： Jinhyeok Lim ,  Pavel Shatunov ,  Olga Tsay ,  Hyejin Park ,  Myungheui Woo ,  Duckjae You ,  Taejin Lee ,  Harim Lee ,  Wonseok Cho ,  Hyunbong Choi

IPC: H01M10/0567 ,  H01M10/0525 ,  H01M4/36 ,  H01M4/505 ,  H01M4/525

Abstract: An additive for a lithium secondary battery includes a compound represented by Formula 1 below, where R1 to R4 are as defined in the disclosure. An electrolyte for a lithium secondary battery includes: a lithium salt; a non-aqueous organic solvent; and the additive. A lithium secondary battery includes: a cathode; an anode; and the electrolyte.

公开(公告)号：US20230268509A1

公开(公告)日：2023-08-24

申请号：US18013197

申请日：2021-12-29

Applicant: Samsung SDI Co., Ltd.

Inventor： Dahyun Kim ,  Minseo Kim ,  Sanghyung Kim ,  Sanghoon Kim ,  Hyejin Park ,  Myungheui Woo ,  Bokyung Ryu ,  Taejin Lee

IPC: H01M4/62 ,  H01M10/052 ,  H01M4/525 ,  H01M4/505 ,  H01M10/0568

CPC classification number: H01M4/62 ,  H01M10/052 ,  H01M4/525 ,  H01M4/505 ,  H01M10/0568 ,  H01M2004/028

Abstract: Provided are a cathode for a lithium secondary battery and a lithium secondary battery including the same. The cathode for a lithium secondary battery may improve low-temperature lifespan characteristics of a lithium secondary battery, by including: a positive active material; and an additive including a compound represented by Formula 1 below:


Formula 1





wherein in Formula 1, Ar, R1, R2, and Y are as defined in the detailed description.

公开(公告)号：US11728513B2

公开(公告)日：2023-08-15

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

CPC classification number: H01M10/0567 ,  C07F7/10 ,  H01M4/364 ,  H01M4/386 ,  H01M4/505 ,  H01M4/525 ,  H01M4/587 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2300/004

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：US11424453B2

公开(公告)日：2022-08-23

申请号：US16575244

申请日：2019-09-18

Applicant: Samsung SDI Co., Ltd.

Inventor： Jin-Hyeok Lim ,  Hyejin Park ,  Myungheui Woo ,  Hyunbong Choi ,  Harim Lee

IPC: H01M4/62 ,  H01M4/36 ,  H01M10/0568 ,  H01M10/0567 ,  H01M10/0525 ,  H01M4/66 ,  H01M50/531

Abstract: A rechargeable lithium battery includes a positive electrode, a negative electrode, and an electrolyte including a lithium salt, wherein at least one of the positive electrode and the negative electrode includes a current collector, an electrode tab extending from the current collector, an active material layer disposed on the current collector, and a passivation film formed on at least one of the current collector and the electrode tab. The passivation film includes a material represented by Chemical Formula 1: CuX(POF2)nY2Z,  Chemical Formula 1 wherein, in Chemical Formula 1, X is a C1 to C10 alkylene group, Y is represented by Chemical Formula 2, Z is an anion group of the lithium salt, and n is 1 or 2: NC—R1—CN, (wherein, R1 is a C1 to C10 alkylene group).  Chemical Formula 2

公开(公告)号：US10886568B2

公开(公告)日：2021-01-05

申请号：US16385923

申请日：2019-04-16

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Harim Lee ,  Hyejin Park ,  Myungheui Woo ,  Jin-Hyeok Lim ,  Hyunbong Choi

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

Abstract: Aspects of embodiments of the present disclosure provide an electrolyte for a rechargeable lithium battery including a non-aqueous organic solvent, a lithium salt, and an additive, wherein the additive is a compound represented by Chemical Formula 1: The compound represented by Chemical Formula 1 and/or its oxide may participate in one or more electrochemical reactions to form a robust solid electrolyte interphase (SEI) film, and may also improve the stability of other electrolyte components against oxidative decomposition.

公开(公告)号：US12266762B2

公开(公告)日：2025-04-01

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: H01M4/00 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/0567 ,  H01M10/0568 ,  H01M10/0569 ,  H01M4/02

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.