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.

公开(公告)号：US10797346B2

公开(公告)日：2020-10-06

申请号：US16186624

申请日：2018-11-12

Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY

Inventor： Ki Young Kim ,  Bong Sang Cho ,  Jun Choi ,  Ji San Jeong ,  Kyung Min Kim ,  Seong Kwan Kim ,  Yong Pyo Lee

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

Abstract: A solid polymer electrolyte includes a matrix prepared by subjecting an alkoxysilane compound having a urethane bond represented by Structural Formula 1 below and an alkoxysilane compound represented by Structural Formula 2 below to a sol-gel reaction; and a lithium salt dispersed in the matrix, and The solid polymer electrolyte composition is configured such that silsesquioxane is linked to a polycarbonate diol-based polymer chain having a urethane bond. The solid polymer electrolyte exhibits superior compatibility, stability, flexibility, mechanical properties and ionic conductivity.

公开(公告)号：US11031624B2

公开(公告)日：2021-06-08

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 Chui Lee ,  Ji San Jeong ,  Kyung Min Kim ,  Sin Seok Oh ,  Seong Kwan Kim ,  Yong Pyo Lee

IPC: H01M10/0565 ,  C08G77/54 ,  H01M10/0525 ,  C08G65/336

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.