FIELD: electrical engineering; plate mass for industrial production of nickel-cadmium batteries.
SUBSTANCE: proposed method for producing nickel hydroxide for plate mass of nickel-cadmium battery includes precipitation of nickel hydroxide from nickel salt solution by alkali solution doped with sodium carbonate while continuously dosing solutions followed by filtration, washing, and drying; novelty is that solutions are dosed while maintaining mass discharge of solutions in proportion of 0.334-0.384 kg/min of alkali solution per 1 kg/min of nickel sulfate of 0.43-0.5 g/mole concentration, doped with sodium carbonate, sodium alkali and sodium carbonate concentrations being 6.5 - 7.4 and 0.47 - 0.6 g/mole, respectively; changes in pressure of solution columns within tanks is determined for correcting rate of discharge of source solutions.
EFFECT: enhanced electrochemical activity of nickel hydroxide produced for plate mass of nickel-cadmium battery.
1 cl, 1 ex
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