Electrochemical cell

Details Electrochemical cell Electrochemical cell

1974-02-19

1977-11-08

Curtis, Allen B.

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

429101, 429105, 429 66, 429218, H01M 440, H01M 1202

Patent

active

040576752

ABSTRACT:
In a reactive metal-water electrochemical cell, an anode-cathode configuration providing for direct anode-cathode contact by use of a mesh-screen cathode essentially contacting the anode over its full surface. Optionally, the screen is supported on a plurality of ribs formed on or attached to a cathode backplate, the ribs forming electrolyte channels between the cathode screen and the cathode backplate.The configuration can be utilized for both unipolar and bipolar electrodes. Provision is made for maintaining contact between the cathode screen and the anode as the anode is consumed, thereby maintaining efficiency of the battery. Voltage and power output of the cell is controlled by varying electrolyte concentration or temperature, or both.

REFERENCES:
patent: 267319 (1882-11-01), Berstein
patent: 273739 (1883-03-01), Jablochkoff
patent: 884264 (1908-04-01), Carpenter
patent: 2925358 (1960-02-01), De Maio et al.
patent: 2937219 (1960-05-01), Minnick et al.
patent: 3043898 (1962-07-01), Miller et al.
patent: 3359136 (1967-12-01), Merten et al.
patent: 3551208 (1970-12-01), Stachurski
patent: 3791871 (1974-02-01), Rowley
patent: 3813301 (1974-05-01), Carr

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