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. 04, 2011
Filed:
Jul. 24, 2007
Applicants:
Hiroshi Haruna, Hitachi, JP;
Eiji Hoshi, Hitachi, JP;
Kazushige Kohno, Hitachi, JP;
Inventors:
Assignee:
Hitachi Vehicle Energy, Ltd., Ibaraki, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01M 6/16 (2006.01); H01M 6/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a battery that experiences a small degree of temporal change from the initial battery properties over the long term storage period of the battery. Specifically, the present invention provides a lithium secondary battery, in which a positive electrode capable of storing and releasing lithium and a negative electrode capable of storing and releasing lithium are formed via an electrolyte, wherein: the electrolyte comprises a cyclic solvent and a chain-type solvent and contains a compound having a boron-oxygen bond (B—O) and a carbon-carbon double bond (C═C).