Porous carbon body with increased wettability by water

Details Porous carbon body with increased wettability by water Porous carbon body with increased wettability by water

1996-11-15

1998-11-24

Bell, James J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

4283128, 4283139, 4283179, 4283227, 429 12, 429 34, 429 44, 429248, 429251, B32B 326, H01M 216

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active

058404147

ABSTRACT:
Solid polymer membrane fuel cell product water which forms on the oxidant side of the membrane is removed from the active area of the cells in a fuel cell power plant by being absorbed into and wicked away from the active area by a porous carbon body which contacts the membrane. The carbon body may be an oxidant reactant flow field plate. The pores in the carbon body are partially filled with metal oxide granules which impart increased wettability and water absorption capacity to the carbon body.

REFERENCES:
patent: 4847173 (1989-07-01), Mitsunaga et al.
patent: 5326633 (1994-07-01), Clough et al.
CRC Handbook of Chemistry and Physics, 66th Edition, pp. B-67 & B-154, 1985 .

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