Selectively coated bipolar plates for water management and freeze start in PEM fuel cells

Selectively coated bipolar plates for water management and freeze start in PEM fuel cells

  • CN 102,195,048 A
  • Filed: 03/18/2011
  • Published: 09/21/2011
  • Est. Priority Date: 03/19/2010
  • Status: Active Application
First Claim
Patent Images

1. the flow-field plate that is used for fuel cells applications, this flow-field plate comprises:

  • Conductive plate with the first surface that limits a plurality of passages, each passage have active area part and periphery;

    Be arranged on the hydrophilic layer on this active area at least a portion partly;

    WithBe arranged on the hydrophobic layer at least a portion of this periphery.

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