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:
Sep. 01, 2026
Filed:
Sep. 17, 2021
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Abstract
An electricity storage device to be disclosed includes: an electrode assembly including a first electrode and a second electrode; a can accommodating the electrode assembly and including a bottomed tubular shape with an opening provided at one end; and a sealing material joined to the one end of the can to seal the opening. The sealing material includes a first ring that is conductive, a second ring that is conductive and joined to the first ring, a terminal plate that is conductive provided between the first ring and the second ring, and an insulation ring insulating the first ring and the second ring from the terminal plate. An outer peripheral edge of the terminal plate is held between the first ring and the second ring with the insulation ring being put therebetween.