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:
Nov. 30, 2021

Filed:

Mar. 08, 2018
Applicants:

Sumitomo Electric Industries, Ltd., Osaka, JP;

Tokyo Denki University, Tokyo, JP;

Inventors:

Koji Nitta, Osaka, JP;

Shoichiro Sakai, Osaka, JP;

Atsushi Fukunaga, Osaka, JP;

Kazuki Okuno, Itami, JP;

Naoaki Yabuuchi, Tokyo, JP;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/485 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/485 (2013.01); H01M 2004/027 (2013.01); H01M 2300/0002 (2013.01);
Abstract

An aqueous solution electrolyte secondary battery includes: a positive electrode including a positive electrode active material that reversibly occludes and releases lithium ions; a negative electrode including a negative electrode active material that reversibly occludes and releases lithium ions; and an aqueous solution electrolyte in which a lithium salt is dissolved. The negative electrode active material contains Mo, at least part of the Mo causes an oxidation-reduction reaction of Mo/Mothrough charging and discharging, and a potential window for charging and discharging exceeds 2.0 V.


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