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:
Jul. 27, 2021
Filed:
Dec. 15, 2016
Samsung Sdi Co., Ltd., Yongin-si, KR;
Byung-Soo Kim, Suwon-si, KR;
Sangho Lee, Suwon-si, KR;
Jihyun Chun, Suwon-si, KR;
Daehyun Hong, Suwon-si, KR;
Seyeong Kang, Suwon-si, KR;
Jinseong Park, Suwon-si, KR;
Imhyuck Bae, Suwon-si, KR;
SAMSUNG SDI CO., LTD., Yongin-si, KR;
Abstract
A separator and an electrochemical battery, the separator including a porous substrate; and a porous bonding layer on one surface or both surfaces of the porous substrate, wherein the porous bonding layer includes a first polyvinylidene fluoride-based polymer, the first polyvinylidene fluoride-based polymer including a polyvinylidene fluoride-based homopolymer or a polyvinylidene fluoride-based copolymer that includes a vinylidene fluoride repeating unit and a hexafluoropropylene repeating unit, and a second polyvinylidene fluoride-based polymer, the second polyvinylidene fluoride-based polymer including a vinylidene fluoride repeating unit and a (meth)acrylate repeating unit, or a vinylidene fluoride repeating unit and a repeating unit of a monomer that includes at least one of an epoxy group, a hydroxy group, a carboxyl group, an ester group, or an acid anhydride group.