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:
Apr. 28, 2026
Filed:
Jun. 22, 2022
Applicant:
Lg Energy Solution, Ltd., Seoul, KR;
Inventors:
Kyung Ryun Ka, Daejeon, KR;
In Hyouk Sung, Daejeon, KR;
Ji Su Lee, Daejeon, KR;
Dong Wook Sung, Daejeon, KR;
Assignee:
LG ENERGY SOLUTION, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/491 (2021.01); H01M 50/107 (2021.01); H01M 50/417 (2021.01); H01M 50/431 (2021.01); H01M 50/451 (2021.01);
U.S. Cl.
CPC ...
H01M 50/491 (2021.01); H01M 50/107 (2021.01); H01M 50/417 (2021.01); H01M 50/431 (2021.01); H01M 50/451 (2021.01);
Abstract
A separator including a separator substrate including a porous material and an inorganic layer on at least one surface of the separator substrate. Each of the separator substrate and the inorganic layer has porosity related to permeability of the separator: (10×porosity of separator substrate)−(4×porosity of inorganic layer)≤permeability of separator.