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:
Aug. 27, 2013
Filed:
Feb. 25, 2010
Applicant:
Norio Iwayasu, Hitachinaka, JP;
Inventor:
Norio Iwayasu, Hitachinaka, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01M 6/16 (2006.01); H01M 6/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
There is provided a lithium ion secondary battery which suppresses overcharge while keeping battery characteristics. The lithium ion secondary, batter, has positive and negative electrodes facing each other via a separator and being filled with an electrolytic solution with a supporting electrolyte dissolved in a non-aqueous solvent, wherein the electrolytic solution contains overcharge inhibitor.