Solid oxide fuel cell with transitioned cross-section for improved anode gas management at the open end
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United States of America Patent
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Jan 17, 2012
Grant Date -
Jan 14, 2010
app pub date -
Jul 8, 2008
filing date -
Jul 8, 2008
priority date (Note) -
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Abstract
A solid oxide fuel cell (400) is made having a tubular, elongated, hollow, active section (445) which has a cross-section containing an air electrode (452) a fuel electrode (454) and solid oxide electrolyte (456) between them, where the fuel cell transitions into at least one inactive section (460) with a flattened parallel sided cross-section (462, 468) each cross-section having channels (472, 474, 476) in them which smoothly communicate with each other at an interface section (458).
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