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. 07, 2015
Filed:
Aug. 26, 2011
Yoko Hashizume, Tokyo, JP;
Daisuke Kawasaki, Tokyo, JP;
Masahiro Suguro, Tokyo, JP;
Midori Shimura, Tokyo, JP;
Kazuaki Matsumoto, Tokyo, JP;
Yoko Hashizume, Tokyo, JP;
Daisuke Kawasaki, Tokyo, JP;
Masahiro Suguro, Tokyo, JP;
Midori Shimura, Tokyo, JP;
Kazuaki Matsumoto, Tokyo, JP;
NEC Corporation, Tokyo, JP;
Abstract
A secondary battery capable of suppressing deterioration of rate characteristics and cycle characteristics even under a high-temperature environment is provided. The secondary battery according to an exemplary embodiment is a secondary battery having an electrode element in which a positive electrode and a negative electrode are arranged so as to face each other, an electrolytic solution and an outer package packaging the electrode element and the electrolytic solution, in which the negative electrode is formed by binding a negative electrode active material to a negative electrode collector, with a negative electrode binder; and the electrolytic solution contains an organic sulfurane compound. The secondary battery electrolytic solution according to the exemplary embodiment contains an organic sulfurane compound.