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:
May. 21, 2019
Filed:
Jan. 24, 2017
Lg Chem, Ltd., Seoul, KR;
Korea Advanced Institute of Science and Technology, Daejeon, KR;
Byoung Kuk Son, Daejeon, KR;
Jang Wook Choi, Daejeon, KR;
Ali Coskun, Daejeon, KR;
Min Chul Jang, Daejeon, KR;
Doo Kyung Yang, Daejeon, KR;
LG CHEM, LTD., Seoul, KR;
KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY, Daejeon, KR;
Abstract
The present invention relates to a polymer-sulfur copolymer, a preparation method thereof, and a lithium-sulfur battery including the same. In the case of the polymer-sulfur copolymer according to the present invention, since the carrier is polymerized, there is no possibility that the carrier is eluted, and since the sulfur is covalently bonded to the polymer and uniformly distributed in a certain size in the copolymer, when used as a positive electrode active material for the lithium-sulfur battery, the problem of elution of the polysulfide can be improved. In addition, the polymer-sulfur copolymer according to the present invention has a high sulfur impregnation amount, thereby making it possible to realize a high capacity battery.