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Fuel cell system with load management

  • US 20010049038A1
  • Filed: 03/22/2001
  • Published: 12/06/2001
  • Est. Priority Date: 03/29/2000
  • Status: Active Grant
First Claim
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1. A fuel cell system, comprising:

  • a fuel processing assembly adapted to produce a product hydrogen stream from a feedstock;

    a fuel cell stack assembly adapted to receive at least a portion of the product hydrogen stream from the fuel processing assembly and to produce an electric current therefrom to at least partially satisfy an applied load having a magnitude, wherein the fuel cell stack assembly includes a plurality of fuel cell stacks that each have a maximum rated power output, wherein each of the fuel cell stacks has a plurality of operational states that include at least a first operational state, in which the fuel cell stack receives at least a portion of the product hydrogen stream from the fuel processing assembly and produces an electric current therefrom, and a second operational state, in which the fuel cell stack is not producing an electric current, wherein each of the fuel cell stacks has a maximum rated power output, and further wherein each of the fuel cell stacks is adapted to selectively receive at least a portion of the product hydrogen stream and to produce an electric current therefrom.

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