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. 25, 2012
Filed:
May. 08, 2009
Takashi Hosokawa, Osaka, JP;
Yukihiro Okada, Osaka, JP;
Kiyomi Kozuki, Osaka, JP;
Hideaki Fujita, Kyoto, JP;
Takashi Hosokawa, Osaka, JP;
Yukihiro Okada, Osaka, JP;
Kiyomi Kozuki, Osaka, JP;
Hideaki Fujita, Kyoto, JP;
Panasonic Corporation, Osaka, JP;
Abstract
It is possible to ensure welding of an exposed portion of an electrode core member protruding from one end surface of an electrode group to a desired connection portion of a current collector plate by constituting a battery wherein an end portion of a first electrode is protruding from an end portion of a second electrode and an end portion of a separator on one end surface of an electrode group, the protruding end portion of the first electrode includes an exposed portion of a first electrode core member, the exposed portion of the first electrode core member is welded to a connection portion on one surface of the first current collector plate, and an insulating layer is formed in an area except for a reverse face portion of the connection portion on the other surface of the first current collector plate.