Rechargeable alkaline MnO.sub.2 -zinc cell

Details Rechargeable alkaline MnO.sub.2 -zinc cell Rechargeable alkaline MnO.sub.2 -zinc cell

1977-09-01

1978-05-23

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

Sealed cell having gas prevention or elimation means

Prevention or elimination means is one of the cell...

429 94, 429224, 429230, 429245, H01M 1024

Patent

active

040911780

ABSTRACT:
The rechargeable cell comprises a cathode formed from a compressed mixture of manganese dioxide particles, electrically conductive particles and a binder; an anode separated from the cathode and containing amalgamated metallic zinc particles on an electrically conductive carrier in an amount sufficient to provide a limited anode discharge capacity of about one-third of the cathode capacity; an aqueous alkaline electrolyte; and a charge reserve mass comprising an oxide or hydroxide of zinc in an amount sufficient to provide a charge reserve capacity for said cell equal to at least 50 percent of the anode discharge capacity.

REFERENCES:
patent: 3089913 (1963-05-01), Garten et al.
patent: 3198668 (1965-08-01), Schneider
patent: 3288642 (1966-11-01), Kordesch

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