Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
Patent
1979-06-15
1980-08-12
LeFevour, Charles F.
Chemistry: electrical current producing apparatus, product, and
With pressure equalizing means for liquid immersion operation
429143, 429210, 204266, H01M 214
Patent
active
042174015
ABSTRACT:
An improved electrically conductive, composite bipolar separator for electrochemical cells comprising a molded aggregate of an electrically conductive aggregate of powdered electrically conductive material and a chemically resistant resin with a vertical array of electrically conductive valve metal ribs partially embedded in the molded aggregate at least on the anode side and having the entire surface exposed to the anolyte, except the area of electrical contact with the anode, coated with a layer of a chemically resistant and electrically non-conductive resin, the said ribs being arranged to form a grid to distribute the current to the porous anode bonded on the surface of a semi-permeable membrane or diaphragm at a uniformly distributed multiplicity of points over the entire anode surface and electrochemical cells containing the said bipolar separator and method of producing the said bipolar separator.
REFERENCES:
patent: 3134696 (1964-05-01), Douglus et al.
patent: 3746578 (1973-07-01), Warszowski
patent: 3954502 (1976-05-01), Symons
patent: 4039409 (1967-08-01), Laconti et al.
patent: 4055291 (1977-10-01), Peters
patent: 4057675 (1977-11-01), Halberstadt
patent: 4118294 (1978-10-01), Pellegri
Pellegri Alberto
Spaziante Placido M.
LeFevour Charles F.
Oronzio de Nora Impianti Elettrochimici S.p.A.
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