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Fuel cell separator plate having controlled fiber orientation and method of manufacture

  • US 6,607,857 B2
  • Filed: 05/31/2001
  • Issued: 08/19/2003
  • Est. Priority Date: 05/31/2001
  • Status: Expired due to Term
First Claim
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1. A composite separator plate for use in a fuel cell stack, of the type having a first surface with a plurality of flow channels formed therein and a second surface opposite said first surface the composite separator plate comprising a polymeric material of 50% to 98% by volume and a fibrous conductive material of 2% to 50% by volume disposed in a through-plane orientation such that the effective resistance of said composite separator plate is less than or equal to 50 milliohms·

  • cm2.

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