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. 12, 2016
Filed:
Jun. 06, 2013
Hiroaki Ikeda, Toyota, JP;
Hiroaki Ikeda, Toyota, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Aichi-ken, JP;
Abstract
Provided is a method for manufacturing a secondary battery that can ensure a favorable charging state. A method for manufacturing a secondary battery according to an embodiment of the invention is a method for manufacturing a secondary battery where a wound body having a positive electrode sheet, a separator and a negative electrode sheet wound in a layered state in a housing, which includes a first step of accommodating the wound body into the housing; and a second step of hot-pressing the wound body through the housing from outside of the housing, the wound body being accommodated in the housing. The method preferably includes a third step of performing initial charging, confining a part substantially the same as a part where the wound body is hot-pressed through the housing in the second step.