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:
Dec. 01, 2020
Filed:
Oct. 16, 2018
Applicants:
SK Innovation Co., Ltd., Seoul, KR;
SK IE Technology Co., Ltd., Seoul, KR;
Inventors:
Yun Bong Kim, Daejeon, KR;
Su Ji Lee, Daejeon, KR;
Kyu Young Cho, Daejeon, KR;
Won Sub Kwack, Daejeon, KR;
Hye Jin Kim, Daejeon, KR;
Assignees:
SK INNOVATION CO., LTD., Seoul, KR;
SK IE TECHNOLOGY CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 2/16 (2006.01); H01M 10/0525 (2010.01); H01M 2/14 (2006.01); H01M 4/62 (2006.01); C08J 5/22 (2006.01);
U.S. Cl.
CPC ...
H01M 2/166 (2013.01); C08J 5/22 (2013.01); H01M 2/145 (2013.01); H01M 2/1646 (2013.01); H01M 2/1653 (2013.01); H01M 2/1673 (2013.01); H01M 2/1686 (2013.01); H01M 4/622 (2013.01); H01M 10/0525 (2013.01); H01M 2220/20 (2013.01);
Abstract
Provided is a separator for a secondary battery including: a porous substrate; and a coating layer formed on the porous substrate, wherein the coating layer includes a plurality of inorganic particles and a binder for binding the plurality of inorganic particles, and the binder includes a copolymer of a monomer mixture including an acrylamide-based monomer, a vinyl cyanide monomer, and an acrylic monomer having a carboxyl group.