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:
Jun. 26, 2007
Filed:
Dec. 10, 2004
Kenji Ukai, Tokai, JP;
Kouji Hisada, Tokai, JP;
Kazuo Hata, Suita, JP;
Norikazu Aikawa, Suita, JP;
Masatoshi Shimomura, Suita, JP;
Kenji Ukai, Tokai, JP;
Kouji Hisada, Tokai, JP;
Kazuo Hata, Suita, JP;
Norikazu Aikawa, Suita, JP;
Masatoshi Shimomura, Suita, JP;
Toho Gas Co., Ltd., Nagoya-Shi, JP;
Nippon Shokubai Co., Ltd., Chuo-Ku, JP;
Abstract
A single cell for SOFC operating at low temperatures, is provided, including a first solid electrolyte with oxide ion conductivity at 800° C. of 0.015 S/cm or more and bending strength of 600 MPa or more, a fuel electrode and bonded to one side of the first electrolyte, comprised of a cermet of a catalyst and a second solid electrolyte with a conductivity of 0.08 S/cm or more, and an air electrode bonded to the other side of the first electrolyte comprised of a compound of first perovskite type oxide with a third solid electrolyte. The electrodes are coated with fuel and air electrode contact layers, respectively.