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Fuel cell air purification subsystem

  • US 6,489,052 B1
  • Filed: 11/18/1999
  • Issued: 12/03/2002
  • Est. Priority Date: 11/18/1999
  • Status: Expired due to Term
First Claim
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1. A system comprising:

  • a cathode flow path; and

    a fuel cell comprising a first catalyst layer in the cathode flow path to promote an electrochemical reaction in the fuel cell and a second catalyst layer in the cathode flow path to react an air pollutant, the second layer being separate from the first layer.

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