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. 23, 2019
Filed:
Apr. 14, 2017
Samsung Sdi Co., Ltd., Yongin-si, Gyeonggi-do, KR;
Jaehong Choi, Suwon-si, KR;
Changhong Ko, Suwon-si, KR;
Imhyuck Bae, Suwon-si, KR;
Dong-Wan Seo, Suwon-si, KR;
Mokyun Jin, Suwon-si, KR;
SAMSUNG SDI CO., LTD., Yongin-si, Gyeonggi-do, KR;
Abstract
A composition for forming a porous heat-resistant layer of a separator, a separator, and an electrochemical battery, the composition including a monomer including a cross-linkable functional group, an oligomer including a cross-linkable functional group, a polymer including a cross-linkable functional group, or a mixture thereof; a solvent; an initiator; first inorganic particles having an average particle diameter (D) X of about 300 nm to about 700 nm; and second inorganics particle having an average particle diameter (D) of 0.1X to 0.4X, wherein a weight ratio of the first inorganic particles to the second inorganic particles in the composition is about 7:3 to about 8.5:1.5.