Caustic-based metal battery with seeded recirculating electrolyt

Details Caustic-based metal battery with seeded recirculating electrolyt Caustic-based metal battery with seeded recirculating electrolyt

1990-09-05

1992-05-19

Kalafut, Stephen

Chemistry: electrical current producing apparatus, product, and

Having magnetic field feature

429 29, H01M 1206

Patent

active

051148021

ABSTRACT:
A battery and a method for its operation are described. The battery comprises a caustic-based metal, e.g. aluminum, battery with a cathode adapted to reduce oxygen and a metal anode positioned in spaced juxtaposed relation to the cathode to define therewith an anode-cathode gap for receiving electrolyte to form an anode-cathode pair electrically coupled by electrolyte. The battery contains an alkaline electrolyte and seed particles adapted to decrease passivation of the anode during discharge of the battery. The seed particles are .alpha.-alumina of very fine particle size distribution obtained by calcination of high-purity alum.

REFERENCES:
patent: 4657754 (1987-04-01), Bauer et al.
patent: 4942100 (1990-07-01), Hunter et al.
patent: 5004654 (1991-04-01), Hunter et al.

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