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:
Nov. 12, 2013
Filed:
Jan. 19, 2011
Applicants:
Tad Armstrong, Burlingame, CA (US);
Emad El Batawi, Sunnyvale, CA (US);
Martin Janousek, Sunnyvale, CA (US);
Manoj Pillai, Sunnyvale, CA (US);
Inventors:
Tad Armstrong, Burlingame, CA (US);
Emad El Batawi, Sunnyvale, CA (US);
Martin Janousek, Sunnyvale, CA (US);
Manoj Pillai, Sunnyvale, CA (US);
Assignee:
Bloom Energy Corporation, Sunnyvale, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 8/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
A solid oxide fuel cell (SOFC) includes a cathode electrode, a solid oxide electrolyte, and an anode electrode. The electrolyte and/or electrode composition includes zirconia stabilized with (i) scandia, (ii) ceria, and (iii) at least one of yttria and ytterbia. The composition does not experience a degradation of ionic conductivity of greater than 15% after 4000 hrs at a temperature of 850° C.