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. 21, 2025
Filed:
Aug. 20, 2021
Applicants:
SK Innovation Co., Ltd., Seoul, KR;
SK IE Technology Co., Ltd., Seoul, KR;
Inventors:
Sun Young Kim, Daejeon, KR;
Tae Wook Kwon, Daejeon, KR;
Heung Taek Bae, Daejeon, KR;
Dong Gun Lee, Daejeon, KR;
Yun Bong Kim, Daejeon, KR;
Min Kyung Seon, Daejeon, KR;
Assignees:
SK Innovation Co., Ltd., Seoul, KR;
SK ie technology Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 50/42 (2021.01); C08F 20/06 (2006.01); C08F 20/56 (2006.01); H01M 10/052 (2010.01); H01M 50/431 (2021.01); H01M 50/449 (2021.01); H01M 50/491 (2021.01);
U.S. Cl.
CPC ...
H01M 50/42 (2021.01); C08F 20/06 (2013.01); C08F 20/56 (2013.01); H01M 10/052 (2013.01); H01M 50/431 (2021.01); H01M 50/449 (2021.01); H01M 50/491 (2021.01);
Abstract
Provided are a composite separator including a coating layer including inorganic particles and a binder formed on a porous substrate, which has improved coatability and improved thermal shrinkage, and a lithium secondary battery using the same.