Air depolarized cell

Details Air depolarized cell Air depolarized cell

1977-08-01

1978-08-08

Mack, John H.

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

H01M 800

Patent

active

041058305

ABSTRACT:
The air depolarized cell comprises a laminated cathode assembly including an air cathode and an auxiliary cathode in combination with a layer of a thin film nonporous gas permeable membrane which is disposed with one side over the air cathode and with the opposite side having substantially unrestricted access to the atmosphere through a gas diffusion member. The nonporous membrane controls the transfer of oxygen from the ambient atmosphere to the air cathode exclusively by gas solubility with its permeability to oxygen selected to correspond to a predetermined average current density for the cell.

REFERENCES:
patent: 3855000 (1974-12-01), Jammet
patent: 3871920 (1975-03-01), Grebier et al.

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