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. 12, 2022

Filed:

Aug. 15, 2019
Applicants:

Mitsubishi Chemical Corporation, Tokyo, JP;

Mu Ionic Solutions Corporation, Tokyo, JP;

Inventors:

Jungmin Kim, Tokyo, JP;

Hiroyuki Tokuda, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/0567 (2010.01); H01M 10/0569 (2010.01); H01G 11/06 (2013.01); H01G 11/62 (2013.01); H01M 10/052 (2010.01); H01M 10/0568 (2010.01);
U.S. Cl.
CPC ...
H01M 10/0569 (2013.01); H01G 11/06 (2013.01); H01G 11/62 (2013.01); H01M 10/052 (2013.01); H01M 10/0567 (2013.01); H01M 10/0568 (2013.01); H01M 2300/0031 (2013.01);
Abstract

Provided is a nonaqueous electrolytic solution having an excellent capacity retention rate and an excellent output retention rate during cycles. The nonaqueous electrolytic solution includes a nonaqueous solvent; a hexafluorophosphate (A); a compound (B) represented by the following formula (1) in which an arbitrary hydrogen atom bonded to a carbon atom may be substituted with a fluorine atom; and at least one salt (C) selected from the group consisting of fluorophosphates other than the hexafluorophosphate (A), fluorosulfonates, imide salts represented by MN(SOF), wherein M represents an alkali metal, and oxalate salts.


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