Electrochemical cell having an alkaline electrolyte and a zinc n

Details Electrochemical cell having an alkaline electrolyte and a zinc n Electrochemical cell having an alkaline electrolyte and a zinc n

1989-07-14

1990-07-17

Walton, Donald L.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Cell enclosure structure, e.g., housing, casing, container,...

429178, 429211, H01M 226

Patent

active

049421018

ABSTRACT:
An electrochemical cell having an alkaline electrolyte and a gelled negative electrode containing zinc powder free from mercury, from cadmium, and from lead, and having 1 ppm to 1000 ppm of an organic stabilization compound selected from: polyfluoride compounds of the ethoxyl fluoroalcohol type; and compounds of the polyethoxyl alcohol and alcoyl sulfide type. The electrode is provided with a nail-shaped cylindrical negative current collector immersed in the gell and passing through a sealing plug and connected to the negative terminal. The current collector is constituted, at least superficially, by a substance selected from: pure zinc, pure cadmium, indium, and gallium; and the nail includes means assembled thereon without melting metal and serving to increase its developed surface area.

REFERENCES:
patent: 3442716 (1969-05-01), Muraki et al.

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