Coflow planar fuel cell stack construction for solid electrolyte

Details Coflow planar fuel cell stack construction for solid electrolyte Coflow planar fuel cell stack construction for solid electrolyte

1996-01-22

1996-08-27

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

429 34, 429 38, 429218, H01M 810

Patent

active

055499830

ABSTRACT:
A fuel cell stack is based on solid electrolytes, such as the oxygen-ion conducting solid oxide fuel cells and the proton conducting ceramic or polymer membrane fuel cells. The fuel cell has a radial, coflow planar stack with an integral, internal manifold and tubular porous elements for controlling the rate and uniformity of the radial fuel and oxidant fluid flows. Such construction minimizes the extent of sealing that may be required and provides for easy manifolding of stack arrays. In addition, the fuel cell construction has the potential for high mass and volume specific power densities and low fabrication costs.

REFERENCES:
patent: 4770955 (1988-09-01), Ruhl
patent: 5399442 (1995-03-01), Shundo
patent: 5480738 (1996-01-01), Elangovan et al.
patent: 5486428 (1996-01-01), Gardner et al.

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