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:
Feb. 13, 2007
Filed:
Sep. 17, 2003
Katsunori Yanagida, Itami, JP;
Naoya Nakanishi, Kobe, JP;
Atsuhiro Funahashi, Toyonaka, JP;
Toshiyuki Nohma, Kobe, JP;
Katsunori Yanagida, Itami, JP;
Naoya Nakanishi, Kobe, JP;
Atsuhiro Funahashi, Toyonaka, JP;
Toshiyuki Nohma, Kobe, JP;
Sanyo Electric Co., Ltd., Osaka, JP;
Abstract
In a non-aqueous electrolyte secondary battery provided with a positive electrode, a negative electrode using carbon material as negative electrode active material, and a non-aqueous electrolyte solution, the non-aqueous electrolyte solution contains at least a saturated cyclic carbonic ester and a cyclic carbonic ester having C═C double bond where an amount of the cyclic carbonic ester having C═C double bond is in a range of 1.0×10to 13.0×10g per negative electrode capacity of 1 mAh.