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:
Oct. 08, 2019
Filed:
Sep. 18, 2017
Applicant:
Samsung Sdi Co., Ltd., Yongin-si, Gyeonggi-do, KR;
Inventors:
Sujin Um, Yongin-si, KR;
Jung Woo An, Yongin-si, KR;
Jungyeon Won, Yongin-si, KR;
Jungwook Cha, Yongin-si, KR;
Assignee:
Samsung SDI Co., Ltd., Yongin-Si, Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 2/16 (2006.01); H01M 10/052 (2010.01); H01M 10/42 (2006.01); H01M 10/0583 (2010.01);
U.S. Cl.
CPC ...
H01M 2/1686 (2013.01); H01M 2/166 (2013.01); H01M 10/052 (2013.01); H01M 10/4235 (2013.01); H01M 10/0583 (2013.01);
Abstract
A separator for a rechargeable lithium battery includes a polymer substrate, and a coating layer on at least one surface of the polymer substrate. The coating layer includes a ceramic, a binder, and a nanoclay having an interlayer spacing (d-spacing) of about 10 Å to about 50 Å.