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Method of controlling a fuel cell system using impedance determination

  • US 9,190,681 B2
  • Filed: 02/20/2015
  • Issued: 11/17/2015
  • Est. Priority Date: 02/25/2009
  • Status: Active Grant
First Claim
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1. A method of controlling a fuel cell system comprising:

  • determining an impedance characteristic of at least one fuel cell, wherein the impedance characteristic is determined while the at least one fuel cell is providing power to a load; and

    controlling the at least one fuel cell based at least in part on the impedance characteristic to optimize a temperature of the at least one fuel cell while the at least one fuel cell continues providing the power to the load.

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