Fuel cell assemblies using metallic bipolar separators

Details Fuel cell assemblies using metallic bipolar separators Fuel cell assemblies using metallic bipolar separators

2007-06-05

2007-06-05

Tsang-Foster, Susy (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

C429S006000, C429S006000, C429S006000

Reexamination Certificate

active

10841613

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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