Interfacial and edge seals for unitized electrode assemblies of fuel cell stack assembly
First Claim
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1. A unitized electrode assembly for a fuel cell stack assembly, comprising:
- a membrane electrode assembly having a first side, a second side, a peripheral edge area and a plurality of perforations along said peripheral edge area;
a cathode substrate adjacent to said first side;
an anode substrate adjacent to said second side; and
a seal material bonding said cathode substrate to said anode substrate and extending through said plurality of perforations.
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Abstract
A unitized electrode assembly for a fuel cell stack assembly, includes a membrane electrode assembly having a first side, a second side, a peripheral edge area and a plurality of perforations along the peripheral edge area; a cathode substrate adjacent to the first side; an anode substrate adjacent to the second side; and a seal material bonding the cathode substrate to the anode substrate and extending through the plurality of perforations.
23 Citations
8 Claims
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1. A unitized electrode assembly for a fuel cell stack assembly, comprising:
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a membrane electrode assembly having a first side, a second side, a peripheral edge area and a plurality of perforations along said peripheral edge area;
a cathode substrate adjacent to said first side;
an anode substrate adjacent to said second side; and
a seal material bonding said cathode substrate to said anode substrate and extending through said plurality of perforations. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification