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:
Dec. 27, 2022
Filed:
Sep. 24, 2019
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventors:
Kazuhiro Iida, Tokyo, JP;
Takanobu Chiga, Osaka, JP;
Naoya Morisawa, Hyogo, JP;
Atsushi Fukui, Hyogo, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/0569 (2010.01); H01M 10/052 (2010.01); H01M 6/16 (2006.01);
U.S. Cl.
CPC ...
H01M 10/0569 (2013.01); H01M 6/164 (2013.01); H01M 10/052 (2013.01); H01M 2300/004 (2013.01);
Abstract
A nonaqueous electrolyte includes a lithium salt and a nonaqueous solvent in which the lithium salt is dissolved. The nonaqueous solvent includes a fluorinated chain carboxylate ester and a dicarbonyl compound having two carbonyl groups in the molecule. The dicarbonyl compound is at least one selected from the group consisting of esters and acid anhydrides and has not more than three atoms between the two carbonyl groups.