Chemistry: electrical current producing apparatus – product – and – Fuel cell – subcombination thereof – or method of making or... – Grouping of fuel cells into stack or module
Reexamination Certificate
2007-11-07
2011-11-08
Apicella, Karie O'Neill (Department: 1726)
Chemistry: electrical current producing apparatus, product, and
Fuel cell, subcombination thereof, or method of making or...
Grouping of fuel cells into stack or module
C429S452000, C427S115000, C216S083000
Reexamination Certificate
active
08053133
ABSTRACT:
A flow field plate or bipolar plate for a fuel cell that includes a hydrophilic coating formed on flow field channels extending through a tunnel region between a cell active area and the inlet and outlet manifolds. The flow field plates are an assembly of a cathode side unipolar plate and an anode side unipolar plate. The hydrophilic coating is deposited on the unipolar plates prior to the unipolar plates being assembled into the flow field plate so that line of site deposition processes can be used to coat the flow field channels in the tunnel region. The unipolar plates can be any suitable fuel cell unipolar plates, such as stamped unipolar plates or composite unipolar plates.
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Dadheech Gayatri Vyas
Datta Reena L.
Falta Steven R.
Rapaport Pinkhas A.
Trabold Thomas A.
Apicella Karie O'Neill
GM Global Technology Operations LLC
Miller John A.
Miller IP Group, PLC
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