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：US20200220215A1

公开(公告)日：2020-07-09

申请号：US16592667

申请日：2019-10-03

Applicant: Samsung SDI Co., Ltd.

Inventor： Hyejin PARK ,  Younghye KANG ,  Aeran KIM ,  Myungheui WOO ,  Duckjae YOU ,  Taejin LEE ,  Harim LEE ,  Jinhyeok LIM ,  Wonseok CHO ,  Hyunbong CHOI

IPC: H01M10/0567 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/0525 ,  H01M4/525 ,  C07F7/18

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：US20200220217A1

公开(公告)日：2020-07-09

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

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：US20200381781A1

公开(公告)日：2020-12-03

申请号：US16887035

申请日：2020-05-29

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Myungheui WOO ,  Pavel SHATUNOV ,  Olga TSAY ,  Younghye KANG ,  Aeran KIM ,  Hyejin PARK ,  Jeongmin SHIN ,  Duckjae YOU ,  Taejin LEE ,  Harim LEE ,  Jinhyeok LIM ,  Wonseok CHO ,  Hyunbong CHOI

IPC: H01M10/0567 ,  H01M10/0525 ,  H01M10/0569 ,  H01M4/505 ,  H01M4/525 ,  H01M4/38 ,  H01M4/36 ,  H01M4/583

Abstract: An electrolyte additive for a lithium secondary battery, an electrolyte, and a lithium secondary battery, the additive including a compound represented by Formula 1 below:

公开(公告)号：US20200266490A1

公开(公告)日：2020-08-20

申请号：US16597613

申请日：2019-10-09

Applicant: Samsung SDI Co., Ltd.

Inventor： Wonseok CHO ,  Pavel SHATUNOV ,  Olga TSAY ,  Younghye KANG ,  Aeran KIM ,  Hyejin PARK ,  Jeongmin SHIN ,  Myungheui WOO ,  Duckjae YOU ,  Taejin LEE ,  Harim LEE ,  Jinhyeok LIM ,  Hyunbong CHOI

IPC: H01M10/0567 ,  H01M10/0525 ,  H01M4/525 ,  H01M4/131

Abstract: A lithium secondary battery includes: a cathode, an anode; and an electrolyte between the cathode and the anode, wherein the cathode includes a cathode active material represented by Formula 1 below, and the electrolyte includes a lithium salt, a non-aqueous solvent, and a compound represented by Formula 2, where x, y, z, M, A, L1, a1, and R1 to R4 are defined as described in the disclosure.