Method for forming molten carbonate fuel cell anodes

Details Method for forming molten carbonate fuel cell anodes Method for forming molten carbonate fuel cell anodes

1994-03-31

1995-05-16

Walsh, Donald P.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Special medium during sintering

419 5, 419 8, 419 9, 419 10, 419 36, 419 40, 419 53, 419 54, B22F 702

Patent

active

054158338

ABSTRACT:
A method for forming molten carbonate fuel cell (MCFC) anodes by adjusting the reaction condition of pack cementation is disclosed. The method includes the steps of embedding a base metal sheet containing at least Ni in a pack containing alloy metal powder, an activator and a filler, pre-heating the pack to remove the organic material included in the base metal sheet, and maintaining the pack under a H.sub.2 /N.sub.2 atmosphere at a temperature of 500.degree. C. to 800.degree. C. for one to eight hours to form a Ni alloy. The method has a simplified procedure and is very useful to manufacture MCFC anodes having a very low creep deformation rate while porosity is in an appropriate range.

REFERENCES:
patent: 4315777 (1982-02-01), Nadkarni et al.
patent: 4664883 (1987-05-01), Melody et al.
patent: 4714586 (1987-12-01), Swarr et al.
patent: 4999155 (1991-03-01), Ong et al.
patent: 5110541 (1992-05-01), Yamamasu et al.
patent: 5312580 (1994-05-01), Erickson et al.

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