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Fuel cell based rechargable power pack system and associated methods for controlling same

  • US 20070190369A1
  • Filed: 02/14/2006
  • Published: 08/16/2007
  • Est. Priority Date: 02/14/2006
  • Status: Active Grant
First Claim
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1. A power supply for a battery pack containing two or more isolated batteries, comprising:

  • a. one or more direct oxidation fuel cells;

    b. one or more rechargeable batteries;

    c. a DC-DC converter associated with each fuel cell and being coupled to its respective fuel cell so as to receive the output of the fuel cell, and coupled to said battery through an associated battery protection circuit such that said DC-DC converter provides a current to either charge the battery or to power a load; and

    d. one or more system controller and balance of plant assembly configured to control operating characteristics of each fuel cell.

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