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:
Jan. 16, 2018
Filed:
Aug. 27, 2014
Applicant:
Nec Energy Devices, Ltd., Sagamihara-shi, Kanagawa, JP;
Inventor:
Akihiro Modeki, Kanagawa, JP;
Assignee:
NEC ENERGY DEVICES, LTD., Sagamihara-shi, Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 6/50 (2006.01); H01M 2/14 (2006.01); H01M 2/02 (2006.01);
U.S. Cl.
CPC ...
H01M 2/14 (2013.01); H01M 2/0267 (2013.01); H01M 2/0287 (2013.01); H01M 2200/00 (2013.01); H01M 2220/20 (2013.01);
Abstract
To provide a secondary battery that can be prevented from exploding or catching fire due to the occurrence of a short circuit. The secondary battery () of the present invention includes an electric cell assembly that is, at least, partially enclosed by an extensible sheet () having a surface resistivity of 10Ω/sq to 10Ω/sq, and is housed together with an electrolyte in a container (), and in which positive electrodes () and negative electrodes () are stacked on each other or wound with a separator () interposed therebetween.