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. 23, 2021
Filed:
Nov. 05, 2018
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Yuta Nemoto, Okazaki, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
Abstract
A power storage device includes an electrode assembly, an accommodation case accommodating the electrode assembly, an external terminal provided on an outer surface of the accommodation case, a collector terminal connecting the electrode assembly and the external terminal, and a welding portion connecting the collector terminal and the external terminal. The external terminal includes an opposed surface opposed to the outer surface and an outer surface located opposite to the opposed surface. The external terminal has an insertion hole extending from the opposed surface toward the outer surface and a step portion located around an opening in the insertion hole located on a side of the outer surface. The collector terminal includes a contact surface in contact with a surface of the step portion. The welding portion is formed to weld the surface of the step portion and the contact surface.