The fuel cell stack includes a thin process-gas-connection-end plate and interconnect having a thermal expansion coefficient substantially equal to that of the plurality of fuel cells to form a fuel cell stack, wherein the thin process- The length and width of the plate are matched to the length and width of the fuel cell and interconnect, and the process gas-connection-endplate is sealed to the stack of cells and interconnect to provide a single integrated process-gas- And a process gas distribution tube is connected to the process gas-connection-end plate, for example, welded or brazed and fixed.
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