Metal-air-cells having improved anode assemblies

Details Metal-air-cells having improved anode assemblies Metal-air-cells having improved anode assemblies

1993-08-10

1995-10-17

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

429 53, 429 66, H01M 212, H01M 1206

Patent

active

054589886

ABSTRACT:
The subject invention provides for a prismatic zinc-air cell comprising a prismatic container, an air cathode, and an anode assembly. The prismatic container has one or more oxygen access openings, and the air cathode is disposed in the container in gaseous communication with the oxygen access openings. The anode assembly comprises a rectangular anode frame having peripheral members, a separator mounted proximate to one end of the anode frame and extending substantially continuously between the anode frame peripheral members. The anode frame and separator thereby define a trough. The anode assembly also comprises a zinc anode which comprises zinc, an aqueous electrolyte, and a gelling agent. The zinc anode is disposed in the trough in electrolytic contact with a first side of the separator, and the anode assembly is disposed in the containers such that a second side of the separator is in electrolytic contact with the air cathode.

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