Rechargeable alkaline manganese dioxide-zinc cell with low inter

Details Rechargeable alkaline manganese dioxide-zinc cell with low inter Rechargeable alkaline manganese dioxide-zinc cell with low inter

1989-04-10

1990-05-29

Kalafut, Stephen J.

Chemistry: electrical current producing apparatus, product, and

Plural concentric or single coiled electrode

429233, 429247, H01M 218, H01M 610

Patent

active

049295209

ABSTRACT:
Rechargeable alkaline manganese dioxide - zinc cell of the type comprising a metal container including a porous cathode consisting of a plurality of adjoining blocks, a zinc anode and a separator separating the cathode and anode, and an electrolyte impregnating the cathode and contacting with said separator and anode, in which a cloth-like material like graphite cloth, nickel sinter or other fabric material (which wet the electrolyte) is inserted between otherwise contacting blocks of the cathode body and it substantially decreases internal resistance owing to the fact that the electrolyte impregnates the porous cloth material and will thus have a larger contacting area with the cathode body.

REFERENCES:
patent: 3811955 (1974-05-01), Ralston et al.
patent: 4091178 (1978-05-01), Kordesch
patent: 4251603 (1981-02-01), Matsumoto et al.
patent: 4650680 (1987-03-01), Brenner et al.

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