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:
Oct. 31, 2023
Filed:
Oct. 30, 2019
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Assignee:
LG ENERGY SOLUTION, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/449 (2021.01); H01M 50/446 (2021.01); H01M 50/411 (2021.01); H01M 10/0525 (2010.01); H01M 50/443 (2021.01);
U.S. Cl.
CPC ...
H01M 50/449 (2021.01); H01M 10/0525 (2013.01); H01M 50/411 (2021.01); H01M 50/443 (2021.01); H01M 50/446 (2021.01);
Abstract
A separator comprising a crosslinked polyolefin substrate having a plurality of pores and an inorganic coating layer having internal pores formed on at least one surface of the crosslinked polyolefin substrate. The inorganic coating layer on the at least one surface of the crosslinked polyolefin substrate has internal pores formed by an immersion phase separation method, and a high power secondary battery including the same.