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:
Nov. 24, 2015
Filed:
May. 11, 2012
Ji-jun Hong, Seoul, KR;
In-beom Hwang, Seoul, KR;
Sung-tae Ko, Gyeryong Chungcheongnam-Do, KR;
Kwang-hyun Kim, Nonsan Chungcheongnam-Do, KR;
Yoon-jeong Heo, Nonsan, KR;
Ji-Jun Hong, Seoul, KR;
In-Beom Hwang, Seoul, KR;
Sung-Tae Ko, Gyeryong Chungcheongnam-Do, KR;
Kwang-Hyun Kim, Nonsan Chungcheongnam-Do, KR;
Yoon-Jeong Heo, Nonsan, KR;
Kokam Co., Ltd., Siheung, Gyeonggi-do, KR;
Abstract
Disclosed is a separator for a lithium secondary battery and a lithium secondary battery comprising the same. The separator may include a thermoplastic polyolefin-based polymer porous sheet and an aramid-based non-woven fabric sheet stacked on at least one surface of the polyolefin-based polymer porous sheet, wherein the polyolefin-based polymer sheet and the aramid-based non-woven fabric sheet are adhered with an adhesive, and the adhesive loses an adhesive performance at 80° C. or more to separate the two sheets. The separator has a shut-down function and excellent high-temperature shape stability.