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:
Apr. 28, 2020
Filed:
Jul. 11, 2016
Lg Chem, Ltd., Seoul, KR;
Su-Jin Yoon, Daejeon, KR;
Min-Ji Kim, Daejeon, KR;
LG Chem, Ltd., , KR;
Abstract
Disclosed are a separator and an electrochemical device comprising the same, the separator comprising: a porous substrate having a plurality of pores; and a porous coating layer formed on at least one surface of the porous substrate and in at least one type of region of the pores of the porous substrate, the porous coating layer containing a plurality of inorganic particles and a binder polymer disposed on a part or the entirety of the surface of the inorganic particles to connect and fix the inorganic particles, wherein the binder polymer contains a copolymer including a vinylidene fluoride-derived repeat unit, a hexafluoropropylene-derived repeat unit, and a maleic acid monomethyl ester-derived repeat unit.