Method of making an electrode

Details Method of making an electrode Method of making an electrode

1981-03-05

1983-01-11

Derrington, James H.

Plastic and nonmetallic article shaping or treating: processes

Forming electrical articles by shaping electroconductive...

429119, 429219, H01M 454

Patent

active

043681670

ABSTRACT:
An improved method of making a silver chloride and copper chloride-containing electrode comprises forming a minimum melting point mixture of about 47% by weight of silver chloride and about 53% by weight of cuprous chloride and melting this mixture e.g. at about 255.degree. C., cooling the resulting eutectic, as by casting the same, to form solid pieces, and then grinding the eutectic to a powder of e.g. about 100 mesh. This powdered eutectic is then uniformly mixed with a predetermined desired amount of additional particulate cuprous chloride and the resulting mixture is heated in a mold to above the melting point of the eutectic therein to cause the eutectic to melt and bind the particles of cuprous chloride together. Normally the eutectic is in a concentration of about 10% by weight and the additional particulate cuprous chloride is in a concentration of about 90% by weight of this mixture. The mixture can then be cooled to solidification in the mold to provide a strong electrode in an inexpensive rapid improved manner. The mold can contain, if desired, a metallic grid current collector of copper or the like to which the electrode mixture adheres.

REFERENCES:
patent: 4118552 (1978-10-01), Chireau et al.
patent: 4178339 (1979-12-01), Powell et al.

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