Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
Patent
1993-03-15
1995-01-24
Maples, John S.
Chemistry: electrical current producing apparatus, product, and
With pressure equalizing means for liquid immersion operation
429 38, 429 39, 204253, 204254, H01M 218, C25B 900
Patent
active
053842081
ABSTRACT:
A cell structure for electrolyzer units and fuel cells, comprising an electrolyte-permeable diaphragm, one metallic, electrolyte-permeable electrode respectively on either side of the diaphragm, an electrically conductive bipolar cell partition respectively which bounds the cell, one electrically conductive structure respectively between the electrode and the cell partition which acts as an elastic spacer and current supply, and a frame construction which encloses the cell on the circumference side. The diaphragm is constructed as a flat plate, with layer-type electrodes resting directly on it and integrally connected with it. The cell partitions are constructed of sheet metal, if necessary, with spacers. The spaces between the electrodes and the cell partitions are at least partially filled with lamellar structures which are axially and perpendicularly fluid-permeable and rest against the electrodes. The lamellar structures consist of a plurality of wall elements which are arranged at a narrow distance and have interposed spacers.
REFERENCES:
patent: 3432357 (1969-03-01), Dankese
patent: 3516867 (1970-06-01), Dankese
patent: 4788110 (1988-11-01), Bernard
patent: 5110692 (1992-05-01), Farooque et al.
patent: 5130008 (1992-07-01), Cabaraux et al.
Brand Rolf A.
Hildebrandt Jurgen
Hofmann Hans
Deutsche Aerospace AG
Maples John S.
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