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:
Jul. 11, 2006
Filed:
Dec. 02, 2003
Applicants:
Juichi Arai, Higashiibaraki-gun, JP;
Shuuko Yamauchi, Hitachi, JP;
Mitsuru Kobayashi, Hitachiohta, JP;
Inventors:
Juichi Arai, Higashiibaraki-gun, JP;
Shuuko Yamauchi, Hitachi, JP;
Mitsuru Kobayashi, Hitachiohta, JP;
Assignee:
Hitachi, Ltd., , JP;
Primary Examiner:
Int. Cl.
CPC ...
H01M 6/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a lithium secondary battery comprising a nonaqueous electrolytic solution containing a compound which is oxidized at a voltage higher than a charge end voltage of the lithium secondary battery and a compound which inhibits reactions at voltages lower than said charge end voltage.