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:
Jun. 24, 2014
Filed:
May. 21, 2010
Taira Saito, Aichi-ken, JP;
Musashi Nakagane, Toyota, JP;
Satoru Suzuki, Nagoya, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;
Abstract
In a lithium-ion secondary battery (), a battery case () has sidewalls (A,B) facing toward side ends of a wound electrode body (), the side ends being at opposite lateral sides of the positive electrode sheet (), and of the sidewalls (A,B), one of the sidewalls (A) (positive-electrode-side sidewall) facing toward an uncoated portion () of the positive electrode sheet () is thicker than the other sidewall (B) (negative-electrode-side sidewall). In other words, the relationship between the thickness A of the one sidewall (A) facing toward the uncoated portion () of the positive electrode sheet () and the thickness B of the other sidewall (B) is A>B.