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:
May. 23, 2023
Filed:
Jun. 07, 2019
Lg Chem, Ltd., Seoul, KR;
Joo-Sung Lee, Daejeon, KR;
A-Young Lee, Daejeon, KR;
Abstract
A separator for an electrochemical device is provided. The separator includes a porous polymer substrate, and a porous coating layer formed on at least one surface of the porous polymer substrate, wherein the porous coating layer includes inorganic particles, a first polyvinylidene fluoride copolymer and a second polyvinylidene fluoride copolymer. A method for manufacturing the separator, and an electrochemical device including the same are also provided. It is possible to provide a separator with excellent adhesion between the porous polymer substrate and the porous coating layer and excellent adhesion to an electrode, and an electrochemical device including the same.