Rapid thermal processing of multilayer tapes for fuel cell appli

Details Rapid thermal processing of multilayer tapes for fuel cell appli Rapid thermal processing of multilayer tapes for fuel cell appli

1991-10-18

1994-02-15

Silbaugh, Jan H.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

264 61, 264 66, C04B 3700

Patent

active

052863220

ABSTRACT:
A method of constructing a fuel cell includes a sintering technique that improves the structure and performance of the fuel cell elements. The method includes furnishing a fuel cell core comprising trilayers of anode, cathode, and interconnect layers, and trilayers of anode, cathode, and electrolyte layers. Each of the layers has a mixture of the respective anode, cathode, or interconnect ceramic material mixed with processing aid materials including a binder and a plasticizer, and, in the case of the interconnect mixture, optionally a flux. This partially fabricated fuel cell core is sintered to form a monolithic structure, the step of sintering being performed by heating the core at a heating rate of greater than about 40.degree. C. per minute to a sintering temperature of from about 1550.degree. to about 1600.degree. C., maintaining the core at the sintering temperature for a time of from about 5 to about 20 minutes, and cooling the sintered structure.

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