Method of manufacturing zinc-alkaline batteries

Details Method of manufacturing zinc-alkaline batteries Method of manufacturing zinc-alkaline batteries

1993-02-16

1994-05-03

Maples, John S.

Metal working

Method of mechanical manufacture

Electrical device making

429206, 429229, H01M 442, H01M 1024

Patent

active

053083741

ABSTRACT:
A non-pollution zinc-alkaline battery excellent in storage stability can be obtained by using, in formulation for negative electrode, a zinc alloy which contains at least one element selected from the group consisting of bismuth, lithium, calcium and aluminum which is free from mercury, lead, cadmium, indium and thallium is used as an active material and gallium hydroxide or gallium oxide optimized in a starting material therefor, particle size and weight loss on heat decomposition as an inorganic inhibitor. The storage stability of the battery can be further improved by adding to the above formulation for a negative electrode a proper amount of a surfactant having a polyethylene oxide group in a hydrophilic group and a perfluoroalkyl group in oleophilic group as an organic inhibitor.

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