Fuel cells and process for the production of the anode

Details Fuel cells and process for the production of the anode Fuel cells and process for the production of the anode

1994-11-25

1995-11-28

Niebling, John

Chemistry: electrical current producing apparatus, product, and

Having earth feature

429 30, 429 46, H01M 486

Patent

active

054706726

ABSTRACT:
A fuel cell with a solid oxide (SOFC) or a molten carbonate salt electrolyte (MCFC). The anode of the fuel cell, according to the invention, is a CERMET anode which consists of a solid mixture of tungsten carbide and an ion-conducting oxide, such as yttrium-fully stabilized zirconium oxide (YSZ). The fuel cell anode is prepared by a process whereby in order to form the solid mixture of which the anode is formed, a mixture of anion-conducting oxide powder and WC/WC(O), WO.sub.3 or precursor thereof is prepared, and this mixture is converted into a YSZ-WC mixture in a CO/CO.sub.2 atmosphere in a temperature range of 600.degree.-1000.degree. C.

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patent: 5209989 (1993-05-01), Ishihara et al.
patent: 5306579 (1994-04-01), Shepard, Jr. et al.
patent: 5354627 (1994-10-01), Hatoh et al.

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