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.

公开(公告)号：US20200251778A1

公开(公告)日：2020-08-06

申请号：US16636114

申请日：2018-07-04

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Hyunbong CHOI ,  Aeran KIM ,  Hyejin PARK ,  Woocheol SHIN ,  Jinhyeok LIM

IPC: H01M10/0567 ,  H01M10/0525 ,  H01M10/0568 ,  H01M4/587 ,  H01M10/0569 ,  C07F9/146

Abstract: Provided is an electrolyte for lithium secondary batteries, including a lithium salt, an organic solvent, and an additive including a compound represented by Formula 1.