Composite article

Details Composite article Composite article

1995-04-20

1998-03-10

Bell, James J.

Fabric (woven, knitted, or nonwoven textile or cloth, etc.)

Felt fabric

At least three layers

264 294, 264 295, 264 296, 264 297, 264105, 4234471, 4234472, 4234474, 4234478, 423448, 428902, D04H 108

Patent

active

057261059

ABSTRACT:
The graphitized composite article of the present invention is formed by embedding carbon fiber felt in a matrix of a carbon filler; a thermosetting resin and a solvent; curing the composite article; then, carbonizing and graphitizing the cured composite article to form the graphitized composite article for use as a separator plate capable of substantially inhibiting mixing of hydrogen and oxygen and/or the loss of electrolyte within a fuel cell stack. The graphitized composite article may be a graphitized laminate.

REFERENCES:
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patent: 4360485 (1982-11-01), Emanuelson et al.
patent: 4374906 (1983-02-01), Breault et al.
patent: 4426340 (1984-01-01), Goller et al.
patent: 4627944 (1986-12-01), Murakami et al.
patent: 4670300 (1987-06-01), Stewart, Jr.
patent: 4737421 (1988-04-01), Uemura et al.
patent: 4822538 (1989-04-01), Yoshida et al.
patent: 4851304 (1989-07-01), Miwa et al.
patent: 5093214 (1992-03-01), Saito et al.

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