Ribbed substrate for fuel cell electrode

Details Ribbed substrate for fuel cell electrode Ribbed substrate for fuel cell electrode

1983-08-15

1985-10-15

Thibodeau, Paul J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including variation in thickness

428170, 428172, 428218, 4283044, 4283166, 429 40, B32B 330, B32B 3300

Patent

active

045474184

ABSTRACT:
A porous ribbed substrate for a fuel cell electrode is herein disclosed which has a ribbed layer on one side and a non-ribbed layer on the other side, the non-ribbed layer having a bulk density smaller than the bulk density of the ribbed layer. The fuel cell electrode substrate has a porosity of 50-80% and good mechanical strength such as a bending strength of not less than 50 kg/cm.sup.2. A fuel cell prepared from the electrode substrate has excellent properties.

REFERENCES:
patent: 3829327 (1974-08-01), Omori
patent: 3998689 (1976-12-01), Kitago
patent: 4348268 (1982-09-01), Muller
patent: 4374906 (1983-02-01), Breault et al.

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