Corrosion resistant mercury-free zinc anode battery

Details Corrosion resistant mercury-free zinc anode battery Corrosion resistant mercury-free zinc anode battery

1987-02-27

1988-05-10

Lechert, Jr., Stephen J.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Powder shape or size characteristics

296231, 419 31, 419 39, 419 49, 419 66, 419 69, 429229, B22F 100

Patent

active

047431857

ABSTRACT:
An electrochemical cell comprising a zinc electrode in an electrolyte solution wherein the electrode is formed from a zinc powder compacted to a density of at least about 6.5 g/cc to substantially reduce the corrosion of the zinc electrode and the consequent evolution of hydrogen gas without resorting to the addition of mercury to the electrode.

REFERENCES:
patent: 413438 (1889-10-01), Eggers
patent: 2830108 (1958-04-01), Peters
patent: 3586747 (1971-06-01), Radtke et al.
patent: 4298666 (1981-11-01), Taskier
patent: 4427748 (1984-01-01), Land
patent: 4649093 (1987-03-01), Vu

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