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. 06, 2015
Filed:
May. 09, 2011
Hidekazu Yamamoto, Kobe, JP;
Kouhei Tuduki, Kobe, JP;
Taizou Sunano, Kobe, JP;
Maruo Kamino, Kobe, JP;
Youichi Ohashi, Ibaraki, JP;
Minoru Kotato, Ibaraki, JP;
Hidekazu Yamamoto, Kobe, JP;
Kouhei Tuduki, Kobe, JP;
Taizou Sunano, Kobe, JP;
Maruo Kamino, Kobe, JP;
Youichi Ohashi, Ibaraki, JP;
Minoru Kotato, Ibaraki, JP;
SANYO Electric Co., Ltd., Moriguchi-shi, JP;
Mitsubishi Chemical Corporation, Tokyo, JP;
Abstract
A nonaqueous electrolyte secondary battery includes a positive electrode having a positive-electrode active material, a negative electrode having a negative-electrode active material, and a nonaqueous electrolytic solution having a nonaqueous solvent dissolving a solute. The negative-electrode active material includes powdered silicon and/or a silicon alloy, the nonaqueous electrolytic solution includes additives composed of at least one fluorinated lithium phosphate selected from the group consisting of lithium monofluorophosphate, lithium difluorophosphate, and lithium trifluorophosphate and a diisocyanate compound, and the nonaqueous solvent includes a chain carbonate compound.