Optimum Additive Distribution for Quick Activation of Sintered Nickel Composite Electrodes

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Abstract
The effectiveness of postimpregnation additive addition for quick activation of nickel electrodes of an alkaline cell was clearly demonstrated by nickel composite electrodes which have a sintered body of nickel‐coated graphite fibers as the plaque. This treatment during which the additive is added to impregnated composite electrodes achieves full utilization of active material in the electrodes within five charge‐discharge cycles after a brief formation. A model of the additive distribution in the active material is proposed to rationalize the sensitiveness of initial utilization to the manner of additive addition to the composite electrodes.
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