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:
Sep. 02, 2008
Filed:
Dec. 03, 2003
Applicants:
Koji Utsugi, Tokyo, JP;
Mitsuhiro Mori, Tokyo, JP;
Inventors:
Koji Utsugi, Tokyo, JP;
Mitsuhiro Mori, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 6/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
An electrolyte for a secondary battery containing an aprotic solvent which contains at least imide anion, transition metal ion and a compound containing a sulfonyl group in an aprotic solvent. The electrolyte has the performance such as the excellent energy density and electromotive force, and the secondary battery using the electrolyte is excellent in the cycle life and the safety.