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Fuel cell system automatic power switching method and apparatus

  • US 20030022031A1
  • Filed: 07/25/2001
  • Published: 01/30/2003
  • Est. Priority Date: 07/25/2001
  • Status: Active Grant
First Claim
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1. A fuel cell system, comprising:

  • a fuel cell stack;

    a battery; and

    a fuel cell control system, including a power supply switch configured to selectively couple power from the fuel cell stack to the fuel cell control system at a first time, and to selectively couple power from the battery to the fuel cell control system at a second time.

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