公开(公告)号：US20210135287A1

公开(公告)日：2021-05-06

申请号：US17081062

申请日：2020-10-27

Applicant: SAMSUNG SDI CO., LTD. ,  POSTECH Research and Business Development Foundation

Inventor： Myunghwan JEONG ,  Younghye KANG ,  Haneol KANG ,  Dongyoung KIM ,  Soojin KIM ,  Aeran KIM ,  Hoon KIM ,  Suyeol RYU ,  Moon Jeong PARK ,  Jeongmin SHIN ,  Junyong LEE ,  Tae Jin LEE ,  Jin-Hyeok LIM ,  Wonseok CHO ,  Hyunbong CHOI ,  Jungmin HAN

IPC: H01M10/0567 ,  H01M10/0525 ,  H01M4/505 ,  H01M4/525 ,  H01M4/38 ,  H01M4/36 ,  H01M4/587 ,  C07F9/38

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: in Chemical Formula 1, R1 is a cyano group, a substituted or unsubstituted C2 to C10 alkenyl group, or a substituted or unsubstituted C2 to C10 alkynyl group.

公开(公告)号：US20220407072A1

公开(公告)日：2022-12-22

申请号：US17553947

申请日：2021-12-17

Applicant: POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION

Inventor： Moon Jeong PARK ,  Han Eol KANG

IPC: H01M4/60 ,  H01M10/0525 ,  C08F230/02

Abstract: The present disclosure relates to a cathode active material for a secondary battery, comprising a poly(S-co-VPA) vulcanized polymer, a preparation method thereof, and a lithium-sulfur secondary battery comprising the same.