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:
Aug. 19, 2025
Filed:
Jun. 08, 2023
Applicants:
SK Innovation Co., Ltd., Seoul, KR;
SK IE Technology Co., Ltd., Seoul, KR;
Inventors:
Tae Wook Kwon, Daejeon, KR;
Won Sub Kwack, Daejeon, KR;
Heung Taek Bae, Daejeon, KR;
Chang Hee Lee, Daejeon, KR;
Assignees:
SK INNOVATION CO., LTD., Seoul, KR;
SK IE TECHNOLOGY CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 50/431 (2021.01); H01M 10/052 (2010.01); H01M 50/403 (2021.01); H01M 50/449 (2021.01); H01M 50/489 (2021.01);
U.S. Cl.
CPC ...
H01M 50/431 (2021.01); H01M 10/052 (2013.01); H01M 50/403 (2021.01); H01M 50/449 (2021.01); H01M 50/489 (2021.01);
Abstract
A separator for a secondary battery, a method of manufacturing the separator, and a secondary battery including the separator, where these separator includes: a porous substrate and an inorganic particle layer formed on at least one surface of the porous substrate, wherein a heat shrinkage rate S of the separator is 8% or less may be provided.