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:
Oct. 22, 2019
Filed:
Apr. 11, 2017
SK Innovation Co., Ltd., Seoul, KR;
Dong Jin Joo, Daejeon, KR;
Yun Bong Kim, Daejeon, KR;
Su Ji Lee, Daejeon, KR;
Kyu Young Cho, Daejeon, KR;
SK Innovation Co., Ltd., Seoul, KR;
SK IE Technology Co., Ltd., Seoul, KR;
Abstract
Provided are a separator for a lithium secondary battery in which an entire thickness of the separator and a ratio of a heat-resistant layer included in the separator satisfy specific ranges, respectively, and a battery including the same. The separator has significantly excellent heat resistance and mechanical strength, and it is possible to manufacture a high capacity and high output battery using the separator, thereby making it possible to significantly improve safety even in the high capacity and the high output battery.