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. 23, 2023
Filed:
Apr. 01, 2019
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Won Kyung Shin, Daejeon, KR;
Kyoung Ho Ahn, Daejeon, KR;
Chul Haeng Lee, Daejeon, KR;
Jae Won Lee, Daejeon, KR;
Assignee:
LG ENERGY SOLUTION, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/449 (2021.01); H01M 4/62 (2006.01); H01M 10/0525 (2010.01); H01M 10/058 (2010.01); H01M 50/443 (2021.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/623 (2013.01); H01M 10/058 (2013.01); H01M 10/0525 (2013.01); H01M 50/443 (2021.01); H01M 50/449 (2021.01); H01M 2004/027 (2013.01); H01M 2004/028 (2013.01); H01M 2300/0028 (2013.01); H01M 2300/0085 (2013.01);
Abstract
The present invention relates to a lithium secondary battery including a positive electrode, a negative electrode, a separator, which includes a coating layer including an organic binder and inorganic particles, and a gel polymer electrolyte formed by polymerization of an oligomer, wherein the organic binder and the gel polymer electrolyte are bonded by an epoxy ring-opening reaction, and a method of preparing the same.