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. 25, 2017
Filed:
Mar. 18, 2013
Applicant:
Gs Yuasa International Ltd., Kyoto-shi, Kyoto, JP;
Inventors:
Assignee:
GS Yuasa International Ltd., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/0567 (2010.01); H01M 10/0568 (2010.01); H01M 4/58 (2010.01); H01M 4/583 (2010.01); H01M 4/587 (2010.01); H01M 10/0525 (2010.01); H01M 4/04 (2006.01); H01M 10/058 (2010.01);
U.S. Cl.
CPC ...
H01M 10/0567 (2013.01); H01M 4/04 (2013.01); H01M 4/583 (2013.01); H01M 4/587 (2013.01); H01M 4/5825 (2013.01); H01M 10/058 (2013.01); H01M 10/0525 (2013.01); H01M 2220/30 (2013.01); H01M 2300/0025 (2013.01); Y10T 29/49108 (2015.01);
Abstract
A nonaqueous electrolyte secondary battery including a positive electrode having a positive active material, and an electrolyte, wherein a positive electrode potential at the time of charging is 3.7 V or less with respect to a lithium metal potential, and the electrolyte contains a cyclic sulfate compound having a specific structure.