Claims
- 1. A fuel cell fluid distribution layer comprising perforated graphite foil.
- 2. The fluid distribution layer of claim 1, further comprising a reactant flow field channel formed in a major surface thereof.
- 3. The fluid distribution layer of claim 1, further comprising a manifold opening therein.
- 4. The fluid distribution layer of claim 1, further comprising a conductive filler on at least one major surface thereof.
- 5. The fluid distribution layer of claim 1, further comprising a conductive filler at least partially filling at least a portion of the perforations.
- 6. The fluid distribution layer of claim 1, further comprising an electrocatalyst on at least one major surface thereof.
- 7. The fluid distribution layer of claim 1 wherein the graphite foil comprises a perforated active region and a fluid impermeable sealing region.
CROSS-REFERENCE TO RELATED APPLICATION(S)
[0001] This application is a continuation of U.S. patent application Ser. No. 10/037,506, filed on Jan. 4, 2002, entitled “Fuel Cell Fluid Distribution Layer Having Integral Sealing Capability”. The '506 application is, in turn, a continuation of U.S. patent application Ser. No. 09/384,531, filed on Aug. 27, 1999, entitled “Electrochemical Cell With Fluid Distribution Layer Having Integral Sealing Capability”. The '531 application is, in turn, a continuation-in-part of U.S. patent application Ser. No. 09/309,677, filed on May 11, 1999, also entitled “Electrochemical Cell With Fluid Distribution Layer Having Integral Sealing Capability”. The '677 application is, in turn, a continuation of U.S. patent application Ser. No. 08/846,653, filed on May 1, 1997, also entitled “Electrochemical Cell With Fluid Distribution Layer Having Integral Sealing Capability”. Each of the '506, '531 '677 and '653 applications is hereby incorporated by reference herein in its entirety.
Continuations (3)
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Number |
Date |
Country |
Parent |
10037506 |
Jan 2002 |
US |
Child |
10180197 |
Jun 2002 |
US |
Parent |
09384531 |
Aug 1999 |
US |
Child |
10037506 |
Jan 2002 |
US |
Parent |
08846653 |
May 1997 |
US |
Child |
09309677 |
May 1999 |
US |
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
09309677 |
May 1999 |
US |
Child |
09384531 |
Aug 1999 |
US |