Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
Patent
1993-12-17
1996-12-24
Fourson, George
Chemistry: electrical current producing apparatus, product, and
With pressure equalizing means for liquid immersion operation
429 34, H01M 810, H01M 200
Patent
active
055872514
ABSTRACT:
Electrically insulating ceramic gas supply plenums for solid electrolyte fuel cells in which the plenums are formed from a mixture of ceramic components and the proportions of the components in the mixture are adjusted to match the coefficient of thermal expansion of the plenum to that of the solid electrolyte. A preferred ceramic is formed from a mixture of MgO and Al.sub.2 O.sub.3 having a MgO/Al.sub.2 O.sub.3 molar ratio of from 1:1 and 7:1.
REFERENCES:
patent: 5034023 (1991-07-01), Thompson
patent: 5171646 (1992-12-01), Rohr
patent: 5173372 (1992-12-01), Matsuo et al.
Fandel Marco
Schaefer Wolfgang
Spaeh Richard
Stolten Detlef
Dornier GmbH
Everhart C.
Fourson George
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