Design for solid oxide fuel cell stacks
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United States of America Patent
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Oct 2, 2001
Grant Date -
N/A
app pub date -
Feb 23, 1999
filing date -
Feb 23, 1999
priority date (Note) -
Expired
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Abstract
A solid oxide fuel cell stack includes a plurality of solid oxide fuel cells juxtaposed to one another, with at least two of the cells having a substantially flat configuration; and each of the two cells having an anode layer, an electrolyte layer, and a cathode layer. The fuel stack also includes at least one interconnect disposed among the plurality of cells, with the interconnect being capable of providing an electrical connection between the cells, and the interconnect comprising a plurality of first extensions on a first surface of the interconnect and a plurality of second depressions on a second surface of the interconnect. The first extensions and second depressions are integrally formed with one another to provide a plurality of oxidant passageways and fuel passageways.
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