| 摘要 |
A silicone rubber gasket ( 35 ) is adhered to an anode substrate ( 14 ) by sealant material, such as a thermoplastic polymer, a thermoset polymer or en elastomeric polymer, which is impregnated ( 31 ) to provide an edge seal to the anode substrate. In one embodiment, a silicone rubber gasket ( 36 ) is adhered to the cathode substrate ( 26 ) by the sealant material which is impregnated ( 32 ) to provide a gas edge seal to the cathode substrate. Each fuel cell is completed during the formation of a fuel cell stack by compressing the fuel flow field plates and oxidant flow field plates to the unitized electrode assembly with gaskets. In a second embodiment, the oxidant flow field plate ( 27 ) is adhered to the cathode substrate by the sealant material which is impregnated into the cathode substrate to provide a gas edge seal, and the fuel flow field plate ( 18 ) is adhered to the oxidant flow field plate ( 27 ) by means of the sealant material ( 53 ). The entire fuel cell with gasket ( 9 a) is formed in a single hot lamination step ( 45 b).
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