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:
Apr. 14, 2025
Filed:
Apr. 01, 2019
Sanyo Electric Co., Ltd., Daito, JP;
Panasonic Corporation, Kadoma, JP;
Natsuhiko Mukai, Osaka, JP;
Satoshi Yamamoto, Osaka, JP;
Masaki Deguchi, Hyogo, JP;
Taisuke Yamamoto, Nara, JP;
Atsushi Ueda, Osaka, JP;
Masanobu Takeuchi, Osaka, JP;
PANASONIC ENERGY CO., LTD., Osaka, JP;
PANASONIC HOLDINGS CORPORATION, Osaka, JP;
Abstract
This non-aqueous electrolyte secondary battery that is an example of an embodiment comprises a winding type electrode body for which a positive electrode and a negative electrode are wound with a separator interposed. The electrode body has a positive electrode lead. The positive electrode lead has: a lead base made of metal that includes a first surface joined to the positive electrode, and a second surface on the side opposite to the first surface; and an insulating ceramic layer principally comprising an inorganic compound and formed over a range within the second surface of the lead base so as to face the negative electrode with at least the separator interposed therebetween.