Cell for a metal-air battery

Details Cell for a metal-air battery Cell for a metal-air battery

1998-03-03

2000-05-02

Maples, John S.

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

429 34, 429 38, 429 39, H01M 804

Patent

active

060570520

ABSTRACT:
The invention provides a modular zinc air cell for use in an electrochemical zinc-air multi-cell battery, each cell being of the type provided with a housing having, two outer major surfaces, and two spaced-apart inner walls, the inner walls defining a first inner chamber for containing therein a zinc electrode, and in conjunction with the outer major surfaces defining two outer chambers for receiving reaction air; two generally planar, gas-permeable, but liquid-impermeable air electrodes, each of the electrodes being installed in a window-like opening provided in each of the inner walls, an electrolyte in contact with the zinc electrode and the air electrodes, and means for directing a flow of the reaction air into a first inlet provided in a first outer side surface of the housing through both of the outer chambers substantially in a uniform flow distribution across the outer faces of both of the air electrodes, and out of a second outlet provided in an opposite outer side surface of the housing.

REFERENCES:
patent: 5366822 (1994-11-01), Korall et al.
patent: 5447805 (1995-09-01), Harats et al.

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