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:
Dec. 30, 2025
Filed:
Mar. 26, 2021
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Shinichi Sakamoto, Osaka, JP;
Shinya Geshi, Osaka, JP;
Abstract
A battery includes: a case including a cylindrical part, a bottom part that closes one end part of the cylindrical part, and an opening edge part continuous with the other end part of the cylindrical part; an electrode assembly housed in the cylindrical part; and a sealing body fixed to the opening edge so as to seal an opening of the opening edge part, in which the sealing body including a sealing plate made of a first metal and a terminal member made of a second metal different from the first metal and held by the sealing plate is used. The sealing plate includes a fixing part to which the terminal member is fixed, a peripheral edge part in an annular shape located at a peripheral edge, and a thin part formed between the fixing part and the peripheral edge part. The fixing part includes a protrusion part protruding from an outer surface of the sealing plate, and the protrusion part is bent inward such that a part of the terminal member is sandwiched between the fixing part and the protrusion part.