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. 31, 1996
Filed:
Oct. 05, 1994
Applicant:
Inventors:
Kazuhito Hatoh, Daitou, JP;
Junji Niikura, Hirakata, JP;
Eiichi Yasumoto, Katano, JP;
Takaharu Gamou, Fujiidera, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Kadoma, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
429 41 ; 429 16 ; 429 46 ;
Abstract
In a molten carbonate fuel cell having an anode a cathode which are both porous gas-diffusion electrodes, and an electrolyte making contact with both the electrodes, the cathode includes a metal oxide represented by the formula Li.sub.x Ni.sub.1-x O (0.05.ltoreq..times.<0.5, preferably 0.05.ltoreq..times.<0.2), and at least one of the cathode and electrolyte contains an alkaline earth metal carbonate. The disclosed cathode has a small solubility in the electrolyte of alkali metal carbonate and a long service life.