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:
Mar. 24, 2026
Filed:
Apr. 06, 2021
Lg Energy Solution, Ltd., Seoul, KR;
Ulsan National Institute of Science and Technology, Ulju-gun, KR;
Ji-Eun Kim, Daejeon, KR;
Sang-Young Lee, Ulju-gun, KR;
So-Mi Jeong, Daejeon, KR;
Ji-Young Seo, Ulju-gun, KR;
Yong-Hyeok Lee, Ulju-gun, KR;
Je-An Lee, Daejeon, KR;
LG ENERGY SOLUTION, LTD., Seoul, KR;
ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY, Ulsan, KR;
Abstract
A separator for an electrochemical device provided with a porous coating layer including multiple types of binder resins, and a method for manufacturing the same. The separator has high adhesion between an electrode and the separator, even when any separate adhesive layer is not disposed on the surface of the separator. In addition, the separator has higher adhesion to an electrode, as compared to a separator using a fluorinated binder resin, such as polyvinylidene fluoride, used conventionally in the art. In addition, since the separator has no separate adhesive layer, it is possible to provide low interfacial resistance between the separator and an electrode. Further, the separator has high affinity to an electrolyte, as compared to a semi-crystalline polymer, such as a fluorinated binder resin, and thus improves the output characteristics of a battery.