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:
Feb. 26, 2019
Filed:
Jun. 30, 2015
Samsung Sdi Co., Ltd., Yongin-si, Gyeonggi-do, KR;
Ihn Kim, Yongin-si, KR;
Youngsu Kim, Yongin-si, KR;
Yunkyung Jo, Yongin-si, KR;
Narae Park, Yongin-si, KR;
Jungjin Moon, Yongin-si, KR;
Seungjun Min, Yongin-si, KR;
Sunggwi Ko, Yongin-si, KR;
Samsung SDI Co., Ltd., Yongin-si, KR;
Abstract
A separator includes a porous base, and a first coating layer on a surface of the porous base, the first coating layer including a (meth)acrylic acid ester-based polymer having a glass transition temperature of about 10° C. to about 60° C. The first coating layer may be positioned opposite to a cathode of the lithium secondary battery. The separator may further include a second coating layer on a surface of the porous base opposite to the first coating layer and comprising a (meth)acrylic acid ester-based polymer.