Process for producing a gas-tight, sealed alkaline battery

Details Process for producing a gas-tight, sealed alkaline battery Process for producing a gas-tight, sealed alkaline battery

1986-10-03

1988-04-05

Walton, Donald L.

Chemistry: electrical current producing apparatus, product, and

Sealed cell having gas prevention or elimation means

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

296231, 429222, 204 21, H01M 424, H01M 429

Patent

active

047358742

ABSTRACT:
The cell of a gas-tight alkaline battery is balanced by subdividing the negative excess capacity into the necessary charge and discharge reserves by individually treating the two electrode polarities prior to their assembly, while avoiding open cell forming. When combining a charged, dried, positive sintered electrode which is suitable for storage with a negative electro-deposited electrode, the latter inherently receives a charge reserve due to partial chemical oxidation with H.sub.2 O.sub.2 l or K.sub.2 S.sub.2 O.sub.8. When a discharged, but preformed positive sintered electrode is combined with a negative sintered electrode, the latter is electrochemically partially charged to the extent necessary to achieve the desired discharge reserve, and thereafter preserved by immersion in a solution containing sulfuric acid, and possibly CdSO.sub.4.

REFERENCES:
patent: 456370 (1886-01-01), Menard
patent: 2636058 (1953-04-01), Newmann
patent: 3400056 (1968-09-01), Hills
patent: 3449167 (1969-06-01), Keel et al.
patent: 4275127 (1981-06-01), Ritterman et al.
patent: 4378301 (1983-03-01), Buder et al.

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