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. 16, 2025
Filed:
Aug. 31, 2022
Applicant:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Inventors:
Kakuya Ueda, Kawasaki, JP;
Keigo Hoshina, Yokohama, JP;
Assignee:
KABUSHIKI KAISHA TOSHIBA, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 12/08 (2006.01); H01M 4/02 (2006.01); H01M 4/40 (2006.01); H01M 10/0562 (2010.01);
U.S. Cl.
CPC ...
H01M 12/08 (2013.01); H01M 4/405 (2013.01); H01M 10/0562 (2013.01); H01M 2004/027 (2013.01); H01M 2300/0071 (2013.01);
Abstract
According to one embodiment, provided is an air battery including a negative electrode, an air electrode to which oxygen is supplied, a solid electrolyte layer positioned between the negative electrode and the air electrode, an aqueous electrolyte layer positioned between the solid electrolyte layer and the air electrode, and a proton conduction layer positioned between the aqueous electrolyte layer and the air electrode. The aqueous electrolyte layer includes an aqueous electrolyte including a polyprotic acid having two or more carboxyl groups, an electrolyte salt, and water.