公开(公告)号：US20190157716A1

公开(公告)日：2019-05-23

申请号：US16186625

申请日：2018-11-12

Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY

Inventor： Bong Sang Cho ,  Ki Young Kim ,  Jun Choi ,  Do Hyung Park ,  Jae Chul Lee ,  Ji San Jeong ,  Kyung Min Kim ,  Sin Seok Oh ,  Seong Kwan Kim ,  Yong Pyo Lee

IPC: H01M10/0565 ,  H01M10/0525 ,  C08G77/54

Abstract: Disclosed is a polyalkylene glycol (PAG) polymer having urethane bonds, represented by Structural Formula 1 below. The present invention further relates to a solid polymer electrolyte composition, composed of a polyalkylene glycol polymer having urethane bonds, and a lithium salt. The solid polymer electrolyte of the invention can exhibit superior compatibility, stability, flexibility, mechanical properties and ionic conductivity.