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:
Oct. 09, 2012
Filed:
Feb. 26, 2009
Hidekazu Yamamoto, Kobe, JP;
Atsushi Fukui, Kobe, JP;
Taizo Sunano, Kobe, JP;
Maruo Kamino, Kobe, JP;
Hidekazu Yamamoto, Kobe, JP;
Atsushi Fukui, Kobe, JP;
Taizo Sunano, Kobe, JP;
Maruo Kamino, Kobe, JP;
SANYO Electric Co., Ltd., Osaka, JP;
Abstract
A non-aqueous electrolyte secondary battery has a positive electrode (), a negative electrode (), a separator () interposed between the positive electrode and the negative electrode, and a non-aqueous electrolyte solution in which a solute is dissolved in a non-aqueous solvent. The negative electrode contains a negative electrode active material capable of alloying with lithium and the non-aqueous solvent of the non-aqueous electrolyte solution contains one ore more fluorinated cyclic carbonates and a carboxylic ester. In addition, the non-aqueous electrolyte solution contains a nitrile compound having a chain saturated hydrocarbon group having two or more carbon atoms.