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. 28, 2023
Filed:
May. 08, 2019
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Da Kyung Han, 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:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 50/431 (2021.01); H01M 4/62 (2006.01); H01M 50/446 (2021.01); H01M 50/46 (2021.01);
U.S. Cl.
CPC ...
H01M 50/431 (2021.01); H01M 4/623 (2013.01); H01M 50/446 (2021.01); H01M 50/46 (2021.01);
Abstract
A flame retardant separator for secondary batteries, and more particularly, a flame retardant separator for secondary batteries comprising or coated with a metal hydroxide having a low Gibbs free energy among polymorphs of a metal hydroxide used as an inorganic flame retardant.