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:
Nov. 13, 2012
Filed:
Mar. 06, 2008
Masakazu Kobayashi, Atsugi, JP;
Yoshio Shimoida, Atsugi, JP;
Masakazu Kobayashi, Atsugi, JP;
Yoshio Shimoida, Atsugi, JP;
Nissan Motor Co., Ltd., Yokohama-shi, JP;
Abstract
A lithium-ion secondary battery which includes a battery element and an exterior package covering the battery element. The battery element includes a separator, and an electrode-stacked body having a first electrode and a second electrode disposed respectively on both surfaces of the separator in a stacking direction. The exterior package includes a first package member located at one side of the battery element in the stacking direction, and a second package member located at the other side of the battery element in the stacking direction. A linear expansion coefficient α1 of the first package member is greater than a linear expansion coefficient α2 of the second package member.