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:
May. 24, 1994
Filed:
Jul. 30, 1993
Applicant:
Inventors:
Noboru Taniguchi, Osaka, JP;
Junji Niikura, Hirakata, JP;
Kazuhito Hatoh, Daito, JP;
Takaharu Gamo, Fujiidera, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Kadoma, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
296235 ; 429 30 ; 427115 ;
Abstract
This invention provides a solid electrolyte fuel cell operable with high efficiency even in the temperature range of about 850.degree. to 650.degree. C., The invention is characterized by the use of a novel perovskite double oxide of the composition A.sub.X B.sub.Y O.sub.3-.alpha.. The fabrication of the electrolyte, air electrode and fuel electrode layers by tape casting has contributed to marked improvement in processability and productivity.