Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
June 5, 2007
Patent Application Number
10841613
Date Filed
May 8, 2004
Patent Primary Examiner
Patent abstract
High temperature solid oxide fuel cells (SOFC) and fuel cell stacks incorporating metallic bipolar separators with integral edge seals are provided. The electrochemical cells include reactant manifolds and flow passages, and may have either cathode or anode supported structures. The bipolar separators are thin metallic sheets that minimize thermal expansion stress in the electrochemical cells. The tubular bead edge seals are formed as an integral part of the bipolar separator by a low-cost sheet metal stamping process.
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