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:
Oct. 29, 2019
Filed:
Dec. 04, 2015
Applicant:
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi, JP;
Inventor:
Keiichiro Kobayashi, Toyota, JP;
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota-shi, Aichi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 2/08 (2006.01); H01M 2/36 (2006.01); H01M 4/82 (2006.01); H01M 6/00 (2006.01); H01M 2/04 (2006.01); H01M 10/34 (2006.01);
U.S. Cl.
CPC ...
H01M 2/365 (2013.01); H01M 2/04 (2013.01); H01M 2/36 (2013.01); H01M 2/362 (2013.01); H01M 10/34 (2013.01); H01M 2220/20 (2013.01); Y02E 60/13 (2013.01);
Abstract
A sealed battery according to the disclosure includes: a case provided with a case body having an opening therein and a lid that is sized so as to be capable of closing the opening and that has an electrolyte fill port; an electrode assembly that is housed in the case; and an electrolyte solution. The lid is provided with a filler plug that is welded to the lid so as to close the fill port. The lid has an outside surface with a region thereon subjected to electrolyte-repelling treatment so as to surround the weld where the filler plug is welded.