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:
Feb. 18, 2025
Filed:
Jun. 24, 2022
Applicant:
Asahi Kasei Battery Separator Corporation, Tokyo, JP;
Inventors:
Assignee:
Asahi Kasei Battery Separator Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/411 (2021.01); H01M 10/0525 (2010.01); H01M 10/0587 (2010.01); H01M 50/403 (2021.01); H01M 50/443 (2021.01); H01M 50/46 (2021.01); H01M 50/489 (2021.01); H01M 50/491 (2021.01);
U.S. Cl.
CPC ...
H01M 50/411 (2021.01); H01M 10/0525 (2013.01); H01M 10/0587 (2013.01); H01M 50/403 (2021.01); H01M 50/443 (2021.01); H01M 50/46 (2021.01); H01M 50/489 (2021.01); H01M 50/491 (2021.01);
Abstract
There is provided a method for producing a separator for an electricity storage device that includes a step of contacting a porous body formed from a silane-modified polyolefin-containing molded sheet with a base solution or acid solution, and a separator for an electricity storage device comprising a microporous film with a melted film rupture temperature of 180° C. to 220° C. as measured by thermomechanical analysis (TMA).