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:
May. 31, 2018
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Kyung Oh Kim, Daejeon, KR;
Choonghyeon Lee, Daejeon, KR;
Jeongae Yoon, Daejeon, KR;
Sujee Kwon, Daejeon, KR;
Doo Kyung Yang, Daejeon, KR;
Sung Soo Yoon, Daejeon, KR;
Assignee:
LG CHEM, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/62 (2006.01); C08F 220/28 (2006.01); H01M 10/052 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/622 (2013.01); C08F 220/286 (2020.02); H01M 10/052 (2013.01); C08F 2800/20 (2013.01); H01M 2004/028 (2013.01);
Abstract
A binder for a positive electrode of a lithium-sulfur secondary battery, including an acrylic polymer including an acrylic monomer polymerized unit, a non-acrylic monomer polymerized unit and a redox monomer polymerized unit, as well as a positive electrode active layer, a positive electrode and a lithium-sulfur secondary battery manufactured using the binder. The acrylic polymer contains at least 30 wt. % of the acrylic monomer polymerized unit.