Bipolar plate/diffuser for a proton exchange membrane fuel cell

Patent · Mon Jan 01 00:00:00 EST 2001

OSTI ID:873485

Besmann, Theodore M ^[1]; Burchell, Timothy D ^[1]

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1. Oak Ridge, TN

A combination bipolar plate/diffuser fuel cell component includes an electrically conducting solid material having: a porous region having a porous surface; and a hermetic region, the hermetic region defining at least a portion of at least one coolant channel, the porous region defining at least a portion of at least one reactant channel, the porous region defining a flow field medium for diffusing the reactant to the porous surface.

• Research Organization: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
• DOE Contract Number: AC05-96OR22464
• Assignee: UT-Battelle, LLC (Oak Ridge, TN)
• Patent Number(s): US 6171720
• OSTI ID: 873485
• Country of Publication: United States
• Language: English

Related Subjects

bipolar
plate
diffuser
proton
exchange
membrane
fuel
cell
combination
component
electrically
conducting
solid
material
porous
region
surface
hermetic
defining
portion
coolant
channel
reactant
flow
field
medium
diffusing
proton exchange
porous region
cell component
fuel cell
coolant channel
flow field
solid material
electrically conducting
bipolar plate
exchange membrane
membrane fuel
hermetic region
porous surface
reactant channel
combination bipolar
conducting solid
diffuser fuel
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