Electrode assembly for diaphragm cells

Details Electrode assembly for diaphragm cells Electrode assembly for diaphragm cells

1976-12-15

1977-09-06

Mack, John H.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204252, C25B 1302, C25C 704, C25B 900

Patent

active

040466655

ABSTRACT:
An electrode assembly comprising in combination:
A. an elongated titanium bar of rectangular transversal cross-section having a pair of major planar opposed surfaces and a pair of minor planar opposed surfaces;
B. a finned electrode consisting essentially of a plurality of elongated spacer bars of uniform width and thickness mounted in stacked parallel relationship on one of said major planar surfaces and a plurality of elements maintained in spaced parallel relationship throughout their length by said spacers, each element having a bottom flat wall of a width not less than that of the spacers and a pair of spaced outwardly sloping sidewalls each including an outwardly extending ledge; said spacers and elements being made of a metal selected from iron, copper, cobalt, nickel and alloys of these metals; and
C. enveloping the finned electrode, a prefabricated diaphragm having uniformly spaced corrugations of a wave length equal to the distance between two adjacent ledges, said diaphragm being so positioned on the electrode that each ledge has its longitudinal edge in contact therewith at the bottom of a corrugation.
In the electrode assembly, the cathode and diaphragm membrane are preassembled and form a unit which can readily be combined with anodes in the formation of multi unit cells.

REFERENCES:
patent: 3878082 (1975-04-01), Gokhale
patent: 3910827 (1975-10-01), Raetzsch et al.
patent: 3944477 (1976-03-01), Argade

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