Zinc-bromine battery with long term stability

Chemistry: electrical current producing apparatus – product – and – Having movable mechanical means to provide relative motion... – Means moves electrolyte externally of electrode chamber

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429101, H01M 240

Patent

active

044826141

ABSTRACT:
Zinc-bromine battery with recirculating electrolyte and multi-cell array, with predominant concentration of the bromine in the array at all stages of battery cycling; an array of bipolar electrode assemblies (16) with anode (26A) and cathode (26C) faces, including in each such assembly a chamber of unbound--but well contacted (electrically)--charcoal (C) stored at the cathode face and means for controlling zinc plating and deplating at the anode face; and with provision of surface area enhancement at the anode and cathode faces; electrolyte flow, pH and recirculation controls inherent in the construction, all comprising an anti-degradation combination generally.

REFERENCES:
patent: 3625764 (1971-12-01), DeRossi
patent: 3738870 (1973-06-01), DeRossi
patent: 3811945 (1974-05-01), DeRossi
patent: 3827915 (1974-08-01), Zito
patent: 4038459 (1977-07-01), Ajami et al.

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