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:
Feb. 02, 2021
Filed:
Nov. 08, 2018
Applicants:
Lg Chem, Ltd., Seoul, KR;
Toray Industries, Inc., Nasushiobara, JP;
Inventors:
Joo-Sung Lee, Daejeon, KR;
Sun-Mi Jin, Daejeon, KR;
Assignees:
LG CHEM, LTD., Seoul, KR;
TORAY INDUSTRIES, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 2/16 (2006.01); H01M 10/052 (2010.01); H01M 2/14 (2006.01); C08J 7/04 (2020.01); C08J 5/22 (2006.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
H01M 2/1686 (2013.01); C08J 5/2231 (2013.01); C08J 7/04 (2013.01); H01M 2/145 (2013.01); H01M 2/166 (2013.01); H01M 2/1653 (2013.01); H01M 10/052 (2013.01); H01M 10/0525 (2013.01); C08J 2309/06 (2013.01); C08J 2333/08 (2013.01); C08J 2409/06 (2013.01); C08J 2433/08 (2013.01);
Abstract
A preparation method of a separator according to the present disclosure includes preparing an aqueous slurry including inorganic particles, a binder polymer, and an aqueous medium, and coating the aqueous slurry on at least one surface of a porous polymer substrate to form an organic-inorganic composite porous coating layer, wherein capillary number of the aqueous slurry has a range between 0.3 and 65.