Gas manifold for a fuel cell

Details Gas manifold for a fuel cell Gas manifold for a fuel cell

1987-04-01

1988-12-27

Weisstuch, Aaron

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

429 34, 429 18, 429185, H01M 208

Patent

active

047940557

ABSTRACT:
A gas manifold for a fuel cell provided on the side of a fuel cell stack comprises a casing, a corrosion protection layer provided on contact areas between the casing and side of the fuel cell stack and portions adjacent thereto for protecting the casing from corrosion, an insulating layer provided on the outer surface of the corrosion protection layer for protecting the electrical insulation, and a thermal stress relief layer provided between the insulating layer and the corrosion protection layer for relieving the thermal stress therebetween. By the use of the gas manifold, electrical insulation between single fuel cells through the gas manifold and between the fuel cell stack and the gas manifold can be maintained for long periods of time, thus enabling the stable operation of the fuel cell for long periods of time.

REFERENCES:
patent: 4467018 (1984-08-01), Schroll
patent: 4548874 (1985-10-01), Katz et al.
patent: 4623596 (1986-11-01), Kamoshita
DOE Report SAN/11304-15, pp. 144-145, Energy Research Commission, 1980.
DOE Report DOE/ET/15440-5, pp. 2-25, United Technologies Corporation, 1980.

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