Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
Patent
1989-07-19
1991-01-29
Walton, Donald L.
Chemistry: electrical current producing apparatus, product, and
With pressure equalizing means for liquid immersion operation
429210, H01M 486
Patent
active
049885812
ABSTRACT:
A bipolar cell unit is described for use in a metal/air battery, e.g. an aluminum/air battery. Each bipolar cell unit comprises (a) an air cathode having opposed major surfaces, one of the surfaces being exposed to air and the other of the surfaces being adapted for exposure to electrolyte, (b) a metal anode comprising a metal plate having opposed major surfaces with one plate major surface positioned in spaced juxtaposed relation to the cathode surface exposed to air thereby forming an air gap between the anode and cathode, (c) structural means for connecting the air cathode to the anode plate whereby the air cathode is supported by the anode plate such that air is permitted to move through the air gap while electrolyte is excluded and (d) an electrical connection between the anode and cathode.
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Alcan International Limited
Walton Donald L.
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