Metal working – Method of mechanical manufacture – Electrical device making
Patent
1992-05-04
1993-03-09
Skapars, Anthony
Metal working
Method of mechanical manufacture
Electrical device making
427115, 429 30, 429 36, H01M 800
Patent
active
051923343
ABSTRACT:
The method is used for producing a gas-tight mechanical connection between at least one prefabricated fuel cell having a fixed electrolyte disk with opposed main surfaces and anode and cathode electrodes applied to the opposed main surfaces, and a ceramic fuel cell support on which the at least one fuel cell is disposed. A nickel layer is applied to the fuel cell support by screen printing, for mechanically connecting the fuel cell to the support, for tapping current from the cathode electrode and as a current connection for an electrical connection to further fuel cells. The fuel cell is laid on the freshly printed nickel layer on the fuel cell support to form a fuel cell system. The fuel cell system is sintered with the imposition of a slight mechanical pressure upon the fuel cell, by initially performing the sintering for approximately one hour in air at a temperature of approximately 400.degree. C. and subsequently in a nitrogen atmosphere at a temperature of approximately 1150.degree. C.
REFERENCES:
patent: 4781996 (1988-11-01), Toriya et al.
patent: 4861345 (1989-08-01), Bowker et al.
patent: 4938833 (1990-07-01), Kaufman
Belzner Andreas
Rohr Franz J.
Stadelmann Heinz
ABB Patent GmbH
Greenberg Laurence A.
Lerner Herbert L.
Skapars Anthony
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