Silver-iron battery

Details Silver-iron battery Silver-iron battery

1993-12-03

1995-07-04

Kalafut, Stephen

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

429144, 429210, 429211, 429212, 429215, 429221, 296234, H01M 402

Patent

active

054298946

ABSTRACT:
A bipolar silver-iron plate is provided in which both the silver electrode and iron electrode are fully charged upon fabrication. The iron electrode may be formed in a standard manner. The silver anode is formed by applying a paste formed from polyvinyl alcohol, water and silver oxide powder to a fiber grid provided on the anodic side of the bipolar plate. When dried, the paste forms a silver oxide electrode which is fully charged. If desired, the iron electrode can be formed in the same manner. When so formed, potassium hydroxide should be added to the polyvinyl alcohol water solution to prevent oxidation of iron powder. The silver and iron electrodes formed by this manner are malleable and can thus be fabricated into a multi-ply sheet and rolled around a cylindrical core to form a jelly-roll battery.

REFERENCES:
patent: 4078125 (1978-05-01), Brown
patent: 4132547 (1979-01-01), Buzzelli et al.
patent: 4383015 (1983-05-01), Buzzelli
patent: 4792505 (1988-12-01), Moyes
patent: 4930211 (1990-06-01), Gaudino
patent: 5200281 (1993-04-01), Leap et al.

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