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:
Jul. 02, 2024
Filed:
Aug. 04, 2022
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Tomofumi Hirukawa, Toyota, JP;
Kengo Haga, Toyota, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
Abstract
A main object of the present disclosure is to provide a method for producing an electrode of which uncoated part can stretch while inhibiting breakage. The present disclosure achieves the object by providing a method for producing an electrode, the method including: a preparing step of preparing a precursor sheet including a metal foil, and a coated part and an uncoated part, arranged on the metal foil; a coated part pressing step of pressing the coated part in a thickness direction; and an uncoated part pressing step of pressing the uncoated part in the thickness direction, before or after the coated part pressing step; wherein the coated part contains an electrode material including at least an active material; the uncoated part does not contain the electrode material, and is arranged in an edge of the coated part; and in the uncoated part pressing step, the uncoated part is roll-pressed by a pair of an elastic roll including a shaft body and an elastic body covering the shaft body, while the uncoated part is pushed against the thickness direction.