A bipolar plate for a fuel cell is provided that includes a flowfield
having an active surface with an inlet region and an outlet region. The
active surface of the flowfield is in communication with the inlet region
and the outlet region and has at least one flow channel formed therein.
The at least one flow channel further has a cross-sectional area at the
outlet region that is less than a cross-sectional area at the inlet
region. In particular embodiments, the at least one flow channel is
bifurcated. A fuel cell stack including a fuel cell and the bipolar plate
is also provided.