Microporous elemental silver article and method

Details Microporous elemental silver article and method Microporous elemental silver article and method

1987-09-18

1989-07-25

Niebling, John F.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

204 21, 428613, H01M 404, H01M 454

Patent

active

048513105

ABSTRACT:
A method of forming an article comprising microporous elemental silver is disclosed wherein a porous conductive substrate is impregnated with molten silver nitrate. The silver nitrate in the pores of the substrate is then crystallized. Subsequently, the silver nitrate crystals are converted to Ag.sub.2 O and electrochemically reduced to yield microporous elemental silver. In addition, the invention comprehends articles formed by this method, as well as the preparation of articles therefrom.

REFERENCES:
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patent: 4038467 (1977-07-01), Lippold et al.
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patent: 4269907 (1981-05-01), Momyer et al.
patent: 4481266 (1984-11-01), Littauer et al.
patent: 4681663 (1987-07-01), Seiger
Seiger, et al., "Nickel Oxide Electrode Development," in Proceedings-27th Power Sources Symposium, Jun. 21-24, 1976, at 115-120.

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