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. 24, 2012
Filed:
Jul. 16, 2004
Applicants:
Koji Abe, Yamaguchi, JP;
Kazuhiro Miyoshi, Yamaguchi, JP;
Takaaki Kuwata, Yamaguchi, JP;
Inventors:
Assignee:
Ube Industries, Ltd., Ube-shi, Yamaguchi, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01M 6/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
A non-aqueous electrolytic solution is advantageously used in preparation of a lithium secondary battery excellent in cycle characteristics. In the non-aqueous electrolytic solution for a lithium secondary battery, an electrolyte salt is dissolved in a non-aqueous solvent. The non-aqueous electrolytic solution further contains a vinylene carbonate compound in an amount of 0.01 to 10 wt. %, and an alkyne compound in an amount of 0.01 to 10 wt. %.