The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 08, 2021
Filed:
Nov. 12, 2018
Korea Institute of Industrial Technology, Cheonan-si, KR;
Bong Sang Cho, Seoul, KR;
Ki Young Kim, Yongin-si, KR;
Jun Choi, Seoul, KR;
Do Hyung Park, Anyang-si, KR;
Jae Chui Lee, Suwon-si, KR;
Ji San Jeong, Asan-si, KR;
Kyung Min Kim, Seoul, KR;
Sin Seok Oh, Cheongju-si, KR;
Seong Kwan Kim, Cheongju-si, KR;
Yong Pyo Lee, Cheongju-si, KR;
Korea Institute of Industrial Technology, Cheonan-si, KR;
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.