Electrolyte for an aluminum air-battery comprising an anti-foami

Details Electrolyte for an aluminum air-battery comprising an anti-foami Electrolyte for an aluminum air-battery comprising an anti-foami

1990-02-02

1991-09-17

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

429 46, 429188, 429206, H01M 808

Patent

active

050494570

ABSTRACT:
An aqueous electrolyte aluminum-air battery comprises one or more cells, each cell comprising a frame which defines an electrolyte chamber. The frame is made of a rigid material inactive to the electrolyte. The cell has a consumable aluminum anode and an air cathode spaced from the anode by said electrolyte chamber. Means are provided for admitting electrolyte solution into the electrolyte chamber. A vent exposes the electrolyte chamber to atmosphere. A hydrophobic membrane which is impermeable to the passage of electrolyte but permeable to the passage of hydrogen closes the vent. A surface of each cell anode is exposed to the flow of air. The amount of surface exposed is effective to dissipate heat generated at the anode.

REFERENCES:
patent: 3379573 (1968-04-01), Gershberg
patent: 3403055 (1968-09-01), Weiss et al.
patent: 3563803 (1971-02-01), Katoh
patent: 3850693 (1974-11-01), Kordesch
patent: 3880671 (1975-04-01), Kordesch et al.

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