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:
Nov. 04, 2025
Filed:
Mar. 21, 2022
Applicant:
Fujifilm Corporation, Tokyo, JP;
Inventor:
Shinji Imai, Kanagawa, JP;
Assignee:
FUJIFILM Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 50/449 (2021.01);
U.S. Cl.
CPC ...
H01M 50/449 (2021.01);
Abstract
Provided are a non-aqueous electrolytic solution secondary battery, a separator formed of the non-aqueous electrolytic solution secondary battery, and a method of manufacturing the non-aqueous electrolytic solution secondary battery. The non-aqueous electrolytic solution secondary battery includes a positive electrode, a negative electrode, and a composite separator that is disposed between the positive electrode and the negative electrode, in which in the composite separator, a thermally expandable capsule is sandwiched in an interlayer of a laminate formed of at least two separator sheets.