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:
Apr. 10, 2018

Filed:

Feb. 18, 2015
Applicant:

Mitsubishi Chemical Corporation, Chiyoda-ku, JP;

Inventors:

Takashi Fujii, Ibaraki, JP;

Youichi Ohashi, Ibaraki, JP;

Shinichi Kinoshita, Ibaraki, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/0567 (2010.01); H01M 4/134 (2010.01); H01M 10/0525 (2010.01); H01M 10/42 (2006.01); H01M 10/052 (2010.01); H01M 10/056 (2010.01);
U.S. Cl.
CPC ...
H01M 10/0567 (2013.01); H01M 4/134 (2013.01); H01M 10/052 (2013.01); H01M 10/056 (2013.01); H01M 10/0525 (2013.01); H01M 10/4235 (2013.01); H01M 2300/0025 (2013.01); H01M 2300/0037 (2013.01);
Abstract

A nonaqueous electrolytic solution that can provide a high energy density nonaqueous electrolyte secondary battery having a high capacity, excellent storage characteristics, and excellent cycle characteristics and suppressing the decomposition of an electrolytic solution and the deterioration thereof when used in a high-temperature environment includes an electrolyte, a nonaqueous solvent, and a compound represented by general formula (1): wherein R, R, and Reach independently represent a hydrogen atom, a cyano group, or an optionally halogen atom-substituted hydrogen group having 1 to 10 carbon atoms, with the proviso that Rand Rdo not simultaneously represent hydrogen atoms.


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