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:
Sep. 15, 2026
Filed:
Jan. 21, 2019
Hitachi High-tech Corporation, Tokyo, JP;
Yoshitaka Sasago, Tokyo, JP;
Noriyuki Sakuma, Tokyo, JP;
Yumiko Anzai, Tokyo, JP;
Munenori Degawa, Tokyo, JP;
Chisaki Takubo, Tokyo, JP;
Nobuyuki Mise, Tokyo, JP;
Seiichi Watanabe, Tokyo, JP;
Aritoshi Sugimoto, Tokyo, JP;
Hitachi High-Tech Corporation, Tokyo, JP;
Abstract
Provided is a solid oxide fuel cell having high power generation efficiency and being operable at low temperature. A fuel cell of the present invention includes a cathode electrode, an anode electrode, and a solid electrolyte layer disposed between the cathode electrode and the anode electrode and formed from polycrystalline zirconia or polycrystalline ceria doped with divalent or trivalent positive ions and having proton conductivity, in which the cathode electrode and the solid electrolyte layer are stacked with a first oxygen ion blocking layer interposed therebetween.