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.

Date of Patent:
Feb. 28, 2017

Filed:

Jun. 26, 2013
Applicant:

Nec Corporation, Tokyo, JP;

Inventors:

Hitoshi Ishikawa, Tokyo, JP;

Akinobu Nakamura, Tokyo, JP;

Koji Utsugi, Tokyo, JP;

Assignee:

NEC Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/0567 (2010.01); H01M 10/052 (2010.01); H01M 10/0569 (2010.01);
U.S. Cl.
CPC ...
H01M 10/0567 (2013.01); H01M 10/052 (2013.01); H01M 10/0569 (2013.01); H01M 2300/0025 (2013.01); Y02E 60/122 (2013.01); Y02P 70/54 (2015.11); Y02T 10/7011 (2013.01);
Abstract

The present invention relates to a non-aqueous electrolyte comprising a non-aqueous electrolyte solvent, a supporting salt, and a sulfonate represented by a predetermined formula, the non-aqueous electrolyte having a sulfonate concentration of 0.001 wt % or more and less than 0.2 wt % based on the total mass of the non-aqueous electrolyte.


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