Galvanic element, particularly a metal-air cell

Details Galvanic element, particularly a metal-air cell Galvanic element, particularly a metal-air cell

1982-07-16

1985-03-26

LeFevour, Charles F.

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

429 34, 429 72, 429 81, 429 82, H01M 400

Patent

active

045073678

ABSTRACT:
A galvanic element, particularly a metal-air cell, comprising a consumable etal electrode of flat shape which extends into a container containing the electrolyte, a gas-diffusion electrode which can be freely flushed by gas and particularly air from the outside, being arranged at a distance from the working surface of said electrode. In order to improve the electrolyte circulation in such a system and thus promote the electrochemical conversion, the hydrogen produced upon the electrochemical conversion is collected within the container which contains the electrolyte and the pressure which builds up is utilized for the transport of the electrolyte. For this purpose, a gas-collection space is provided in the electrolyte container so that the gas pressure can act on the electrolyte and a pipe system is present through which the electrolyte which has been displaced is conducted out of the upper region of the container into the lower region of the container.

REFERENCES:
patent: 3092516 (1963-06-01), Rightmire
patent: 4035554 (1977-07-01), Halberstadt
patent: 4139679 (1979-02-01), Appleby et al.
patent: 4181776 (1980-01-01), Lindstrom
patent: 4296184 (1981-10-01), Stachurski

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