Anode metal treatment and use of said anode in cell

Details Anode metal treatment and use of said anode in cell Anode metal treatment and use of said anode in cell

1985-06-28

1986-12-30

Chapman, Terryence

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

296231, 204292, 429220, 429221, 429222, 429223, 429224, 429225, 429226, 429230, H01M 404

Patent

active

046328904

ABSTRACT:
Gassing is significantly reduced in electrochemical cells having anodes of polycrystalline metals, such as zinc, by heat treatment of the anode metal at a temperature below that of the melting point of the metal for a period of time sufficient to reduce the number of grains in the polycrystalline metal to at least a third of the original number of grains and thereafter using the metal in the formation of the cell anode. With such gassing reduction, the amount of mercury required for amalgamation with the zinc may also be reduced.

REFERENCES:
patent: 3348976 (1967-10-01), Kelly et al.
patent: 3926672 (1975-12-01), Curelop et al.
patent: 4104188 (1978-08-01), Nicaise
patent: 4207391 (1980-06-01), Church et al.

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