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:
Sep. 12, 2023
Filed:
Aug. 30, 2019
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Min Ji Kim, Daejeon, KR;
Kwan Woo Nam, Daejeon, KR;
Seung Hyun Lee, Daejeon, KR;
Je An Lee, Daejeon, KR;
Assignee:
LG Energy Solution, Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/446 (2021.01); H01M 50/46 (2021.01); H01M 4/62 (2006.01); H01M 50/494 (2021.01); H01M 50/497 (2021.01); H01M 50/443 (2021.01);
U.S. Cl.
CPC ...
H01M 50/446 (2021.01); H01M 4/623 (2013.01); H01M 50/443 (2021.01); H01M 50/461 (2021.01); H01M 50/494 (2021.01); H01M 50/497 (2021.01);
Abstract
Disclosed herein is a separator for secondary batteries, configured to provide insulation between a positive electrode and a negative electrode, wherein the separator comprises no polyolefin substrate, is configured to have a layer structure comprising a fibrous support, inorganic particles, and a binder, and has improved dimensional stability.