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. 17, 2026
Filed:
Jan. 19, 2021
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventors:
Takuya Jin, Osaka, JP;
Daisuke Katou, Kyoto, JP;
Shinichiro Kondo, Osaka, JP;
Reiko Izumi, Osaka, JP;
Masaya Ugaji, Osaka, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/62 (2006.01); H01M 4/02 (2006.01); H01M 4/13 (2010.01); H01M 4/139 (2010.01);
U.S. Cl.
CPC ...
H01M 4/623 (2013.01); H01M 4/13 (2013.01); H01M 4/139 (2013.01); H01M 2004/021 (2013.01);
Abstract
This electrode for secondary batteries is provided with a core material and an electrode mixture sheet that is bonded to the surface of the core material. The electrode mixture sheet contains an active material, a fibrous first binder and a particulate second binder; and the second binder is mainly composed of a polyvinylidene fluoride, while having a volume-based median diameter of 50 μm or less. The first binder is mainly composed, for example, of a polytetrafluoroethylene.