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. 12, 2023
Filed:
Dec. 04, 2018
SK Innovation Co., Ltd., Seoul, KR;
SK IE Technology Co., Ltd., Seoul, KR;
Hye Jin Kim, Daejeon, KR;
Yun Bong Kim, Daejeon, KR;
Suji Lee, Daejeon, KR;
Won Sub Kwack, Daejeon, KR;
Kyu Young Cho, Daejeon, KR;
SK Innovation Co., Ltd., Seoul, KR;
SK ie technology Co., Ltd., Seoul, KR;
Abstract
The present invention relates to: a porous composite separator for a secondary battery including a porous substrate, and a coating layer formed on the porous substrate, wherein the coating layer has a plurality of inorganic particles, which are connected and fixed by a composite binder including a particulate polymer binder and an interpenetrating polymer network (IPN)-type binder having no melting point and having a thermal decomposition temperature of 300° C. or higher; and a lithium secondary battery including the same.