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:
Feb. 27, 2018
Filed:
Jun. 04, 2013
Applicant:
Nec Corporation, Tokyo, JP;
Inventors:
Makiko Takahashi, Tokyo, JP;
Takehiro Noguchi, Tokyo, JP;
Hideaki Sasaki, Tokyo, JP;
Yuukou Katou, Tokyo, JP;
Akinobu Nakamura, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/05 (2010.01); H01M 10/0569 (2010.01); H01M 4/505 (2010.01); H01M 10/052 (2010.01); H01M 10/0567 (2010.01); H01M 10/0568 (2010.01); H01M 4/525 (2010.01); H01M 4/50 (2010.01); H01M 4/52 (2010.01); H01M 4/58 (2010.01); H01M 10/04 (2006.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
H01M 10/0569 (2013.01); H01M 4/502 (2013.01); H01M 4/505 (2013.01); H01M 4/523 (2013.01); H01M 4/525 (2013.01); H01M 4/5825 (2013.01); H01M 10/04 (2013.01); H01M 10/052 (2013.01); H01M 10/0525 (2013.01); H01M 10/0567 (2013.01); H01M 10/0568 (2013.01); H01M 2220/10 (2013.01); H01M 2220/20 (2013.01); H01M 2220/30 (2013.01); H01M 2300/0037 (2013.01); Y02E 60/122 (2013.01); Y02P 70/54 (2015.11); Y02T 10/7011 (2013.01); Y10T 29/49115 (2015.01);
Abstract
The present invention relates to a secondary battery cg a positive electrode capable of absorbing and releasing lithium, and a electrolyte solution containing a non-aqueous electrolytic solvent, wherein the positive electrode has a positive electrode active material which operates at 4.5 V or more relative to lithium, and wherein the non-aqueous electrolytic solvent contains a sulfone compound represented by a predetermined formula and a fluorinated ether compound represented by a predetermined formula.