Inactive end cell assembly for fuel cells for improved electrolyte management and electrical contact
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United States of America Patent
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Issued Date -
Jun 24, 2004
app pub date -
Dec 24, 2002
filing date -
Dec 24, 2002
priority date (Note) -
Abandoned
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Abstract
An end cell for storing electrolyte in a carbonate fuel cell. The combination of a soft, compliant and resilient cathode current collector and an inactive anode part including a foam anode in each end cell mitigates electrical contact loss during operation of the fuel cell stack. In addition, an electrode reservoir in the positive end cell and an electrode sink in the negative end cell are provided, by which ribbed and flat cathode members inhibit electrolyte migration in the fuel cell stack.
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