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. 03, 2024
Filed:
Mar. 15, 2021
Murata Manufacturing Co., Ltd., Kyoto, JP;
Hydro-quebec, Montreal, CA;
Yuichiro Asakawa, Tokyo, JP;
Hirofumi Tsuiki, Tokyo, JP;
Hiroshi Ueno, Tokyo, JP;
Birhanu Assresahegn Dasalegn, Varennes, CA;
Jean-Christophe Daigle, Varennes, CA;
Karim Zaghib, Varennes, CA;
Murata Manufacturing Co., Ltd., Kyoto, JP;
Hydro-Quebec, Montreal, CA;
Abstract
A lithium-ion secondary battery includes a positive electrode, a negative electrode, and an electrolytic solution. The negative electrode includes a negative electrode active material having a reaction potential of 0.5 V or higher than a lithium electrode, and has an electrochemical capacity per unit area of less than or equal to an electrochemical capacity per unit area of the positive electrode. The electrolytic solution includes a solvent, an electrolyte salt, and at least one of a diphenyl carbonate compound, an unsaturated cyclic carbonate ester, a first maleic anhydride compound, and a second maleic anhydride compound.