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. 21, 2025
Filed:
Feb. 13, 2020
Applicant:
Teijin Limited, Osaka, JP;
Inventors:
Assignee:
TEIJIN LIMITED, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/449 (2020.12); H01M 10/0525 (2009.12); H01M 50/409 (2020.12); H01M 50/426 (2020.12); H01M 50/443 (2020.12); H01M 50/446 (2020.12); H01M 50/489 (2020.12); H01M 50/491 (2020.12);
U.S. Cl.
CPC ...
H01M 50/449 (2020.12); H01M 10/0525 (2012.12); H01M 50/409 (2020.12); H01M 50/426 (2020.12); H01M 50/443 (2020.12); H01M 50/446 (2020.12); H01M 50/489 (2020.12); H01M 50/491 (2020.12);
Abstract
Provided is a separator for a non-aqueous secondary battery containing a porous substrate; and an adhesive porous layer that is provided on one side or on both sides of the porous substrate, and that contains a polyvinylidene fluoride type resin, an acrylic type resin and metal sulfate particles, in which an average primary particle diameter of the metal sulfate particles contained in the adhesive porous layer is from 0.01 μm to less than 0.30 μm.