Electrochemical cell

Details Electrochemical cell Electrochemical cell

1981-07-23

1982-10-19

Walton, Donald L.

Chemistry: electrical current producing apparatus, product, and

Fluid active material or two-fluid electrolyte combination...

429105, 429161, 429169, 429218, H01M 226

Patent

active

043550851

ABSTRACT:
A primary electrochemical cell having a carbon current collector cathode structure of improved design. The electrochemical cell includes an elongated housing containing an electrolytic solution and a battery stack in contact with the electrolytic solution. The battery stack includes a concentric arrangement of an anode, a porous separator, and a carbon current collector cathode structure. The carbon current collector cathode structure in accordance with the invention includes an elongated cylindrical porous carbon element having a guide opening therein, and a unitary, tapered, generally V-shaped metal current collector element embedded within the porous carbon element. The current collector element includes first and second spaced-apart, elongated, tapered, generally arcuate, resilient spring members joined together at first ends thereby to define a tapered, conical opening therebetween for the receipt therein of electrolytic solution. The current collector element is forced into and embedded within the carbon element by way of the guide opening in the carbon element. When embedded into the carbon element, the spring members exert an outwardly directed force against internal portions of the carbon element and the other internal components of the cell.

REFERENCES:
patent: 3116172 (1963-12-01), Wilke et al.
patent: 4060668 (1977-11-01), Goebel
patent: 4284691 (1981-08-01), Goebel et al.
patent: 4317869 (1982-03-01), Folus

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