Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
Patent
1987-12-18
1989-10-24
Kalafut, Stephen J.
Chemistry: electrical current producing apparatus, product, and
With pressure equalizing means for liquid immersion operation
429 31, 429 32, 429 26, H01M 810
Patent
active
048761630
ABSTRACT:
Disclosed are improvements in a solid oxide fuel cell generator 1 having a multiplicity of electrically connected solid oxide fuel cells 2, where a fuel gas is passed over one side of said cells and an oxygen-containing gas is passed over the other side of said cells resulting in the generation of heat and electricity. The improvements comprise arranging the cells in the configuration of a circle, a spiral, or folded rows within a cylindrical generator, and modifying the flow rate, oxygen concentration, and/or temperature of the oxygen-containing gases that flow to those cells that are at the periphery of the generator relative to those cells that are at the center of the generator. In these ways, a more uniform temperature is obtained throughout the generator.
REFERENCES:
patent: 3402230 (1968-09-01), White
patent: 4490444 (1984-12-01), Isenberg
patent: 4562124 (1985-12-01), Ruka
patent: 4640875 (1987-02-01), Makiel
patent: 4664987 (1987-05-01), Isenberg
1985 Fuel Cell Seminar, HSU "Zirconia Fuel-Cell Power System", p. 115, 5/85.
1986 Fuel Cell Seminar, HSU, "Zirconia Fuel-Cell Power System Planar Stack Development", p. 84, 10/86.
Fuerle Richard D.
Kalafut Stephen J.
Morrison Joyce L.
Westinghouse Electric Corp.
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