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:
Jun. 04, 2024
Filed:
Oct. 11, 2019
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Woongchul Choi, Daejeon, KR;
Junghun Choi, Daejeon, KR;
Yonghee Kang, Daejeon, KR;
Minchul Jang, Daejeon, KR;
Suk Il Youn, Daejeon, KR;
Byoungkuk Son, Daejeon, KR;
Assignee:
LG Energy Solution, Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/457 (2021.01); H01M 4/02 (2006.01); H01M 4/38 (2006.01); H01M 4/40 (2006.01); H01M 10/052 (2010.01); H01M 50/434 (2021.01); H01M 50/443 (2021.01); H01M 50/446 (2021.01); H01M 50/489 (2021.01); H01M 50/491 (2021.01);
U.S. Cl.
CPC ...
H01M 50/457 (2021.01); H01M 4/382 (2013.01); H01M 4/405 (2013.01); H01M 10/052 (2013.01); H01M 50/434 (2021.01); H01M 50/443 (2021.01); H01M 50/446 (2021.01); H01M 50/489 (2021.01); H01M 50/491 (2021.01); H01M 2004/027 (2013.01);
Abstract
The present invention relates to a porous separator comprising a porous layer containing a plurality of plate-type inorganic particles and a first binder polymer positioned on part or all of the surface of the plate-type inorganic particles to connect and fix between the plate-type inorganic particles; and a metal layer formed on any one surface of the porous layer, and a lithium secondary battery comprising the same.