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:
Jan. 23, 2024
Filed:
Jul. 24, 2019
Lg Chem, Ltd., Seoul, KR;
Postech Academy-industry Foundation, Pohang-si, KR;
Daeil Kim, Daejeon, KR;
Moon Jeong Park, Pohang-si, KR;
Jonghyun Chae, Daejeon, KR;
Ha Young Jung, Cheonan-si, KR;
Suhwan Kim, Daejeon, KR;
Sung Chul Lim, Daejeon, KR;
Jihoon Ahn, Daejeon, KR;
LG ENERGY SOLUTION, LTD., Seoul, KR;
POSTECH ACADEMY-INDUSTRY FOUNDATION, Pohang-si, KR;
Abstract
A polymer electrolyte is provided, which includes a polymer including an ethylene oxide unit; and a lithium salt, wherein the terminal of the polymer is substituted with one to four functional groups selected from the group consisting of a nitrogen compound functional group and phosphorus compound functional group, and the terminal of the polymer and the one to four functional groups are linked by one selected from the group consisting of a C2 to C20 alkylene linker, a C2 to C20 ether linker, and a C2 to C20 amine linker. A method for preparing the same is also provided.