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:
May. 07, 2024
Filed:
May. 13, 2021
Applicant:
Lg Electronics Inc., Seoul, KR;
Inventors:
Eunja Lim, Seoul, KR;
Hongcheol Lee, Seoul, KR;
Eunseck Kang, Seoul, KR;
Juchul Lee, Seoul, KR;
Koun Park, Seoul, KR;
Misun Lee, Seoul, KR;
Assignee:
LG ELECTRONICS INC., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/429 (2021.01); H01M 50/403 (2021.01); H01M 50/431 (2021.01); H01M 50/449 (2021.01);
U.S. Cl.
CPC ...
H01M 50/4295 (2021.01); H01M 50/403 (2021.01); H01M 50/431 (2021.01); H01M 50/449 (2021.01);
Abstract
The present disclosure is applicable to the technical field related to a secondary battery, and relates to, for example, a separator structure for the secondary battery, a method for preparing the same, and the secondary battery using the same. A separator structure disposed inside a secondary battery includes a porous support body including a first face and a second face, and a cellulose nano fiber subjected to an ionic surface treatment located on at least one of the first face and the second face of the support body.