Carbonaceous, five-layer fuel cell electrode substrate with elon

Details Carbonaceous, five-layer fuel cell electrode substrate with elon Carbonaceous, five-layer fuel cell electrode substrate with elon

1985-04-01

1986-01-28

Van Balen, William J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including variation in thickness

428167, 428172, 428218, 4283122, 4283166, 428408, B32B 312, B32B 900

Patent

active

045670862

ABSTRACT:
Disclosed herein is an electrode substrate for fuel cells which has an integratedly press molded five-layer structure comprising a porous carbonaceous layer, a dense carbonaceous layer having a bulk density larger than the porous layer, a separator, a dense carbonaceous layer having a bulk density larger than the porous layer, and a porous carbonaceous layer, and which further comprises a number of elongated holes for feeding reactant gases into a fuel cell in the interface between the porous layer and the dense layer. The processes for preparing the electrode substrates are also provided according to the present invention.

REFERENCES:
patent: 3222697 (1965-12-01), Scheermesser
patent: 4442165 (1984-04-01), Gebhardt et al.
patent: 4455334 (1984-06-01), Ogino et al.
patent: 4456645 (1984-06-01), Chi

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