公开(公告)号：US20200052333A1

公开(公告)日：2020-02-13

申请号：US16655118

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 ,  H01M4/525 ,  H01M10/0568 ,  C07F9/06

Abstract: The present invention relates to a lithium secondary battery including a positive electrode including a positive active material, the positive active material including a nickel-containing lithium transition metal compound; a negative electrode including a negative active material; and an electrolyte including a non-aqueous organic solvent, a lithium salt, and an additive comprising a compound represented by Chemical Formula 1, wherein the content of Ni is 60 mol % or more based on 100 mol % of the total transition metals in the lithium transition metal compound. 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：US20190305374A1

公开(公告)日：2019-10-03

申请号：US16369017

申请日：2019-03-29

Applicant: SAMSUNG SDI CO., LTD.

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

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

Abstract: An electrolyte for a rechargeable lithium battery and a rechargeable lithium battery including the electrolyte, the electrolyte including a non-aqueous organic solvent; a lithium salt; and an additive, wherein the additive includes a compound represented by Chemical Formula 1: wherein, in Chemical Formula 1, R is a substituted or unsubstituted C1 to C10 alkyl group, a substituted or unsubstituted C1 to C10 alkoxy group, a substituted or unsubstituted C2 to C10 alkenyl group, a substituted or unsubstituted C2 to C10 alkynyl group, a substituted or unsubstituted C3 to C10 cycloalkyl group, a substituted or unsubstituted C3 to C10 cycloalkenyl group, or a substituted or unsubstituted C6 to C20 aryl group, and n is an integer of 1 to 3.

公开(公告)号：US20170250443A1

公开(公告)日：2017-08-31

申请号：US15442837

申请日：2017-02-27

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Pavel Alexandrovich SHATUNOV ,  Olga TSAY ,  Aehui GOH ,  Aeran KIM ,  Miyoung SON ,  Woocheol SHIN ,  Myungheui WOO ,  Seungtae LEE ,  Harim LEE ,  Hyunbong CHOI

IPC: H01M10/0567 ,  H01M10/0568 ,  H01M4/525 ,  H01M10/0569 ,  H01M4/505 ,  H01M6/16 ,  H01M10/0525

CPC classification number: H01M10/0567 ,  H01M4/505 ,  H01M4/525 ,  H01M6/164 ,  H01M6/166 ,  H01M6/168 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2220/30 ,  H01M2300/0025

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