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:
May. 29, 2012
Filed:
Jun. 23, 2006
Hajime Nishino, Nara, JP;
Shinji Kasamatsu, Osaka, JP;
Hideharu Takezawa, Nara, JP;
Kazuhiro Okamura, Osaka, JP;
Mikinari Shimada, Kyoto, JP;
Hajime Nishino, Nara, JP;
Shinji Kasamatsu, Osaka, JP;
Hideharu Takezawa, Nara, JP;
Kazuhiro Okamura, Osaka, JP;
Mikinari Shimada, Kyoto, JP;
Panasonic Corporation, Osaka, JP;
Abstract
A non-aqueous electrolyte secondary battery including: a positive electrode having a positive electrode material mixture containing a composite lithium oxide; a negative electrode; a polyolefin separator; a non-aqueous electrolyte; and a heat-resistant insulating layer interposed between the positive and negative electrodes. The positive electrode material mixture has an estimated heat generation rate at 200° C. of not greater than 50 W/kg. The positive electrode and the negative electrode are wound together with the separator and the heat-resistant insulating layer interposed therebetween.