Abstract
The experimental results on the application's possibility of nickel-powder, obtained on the electrolytical way, for the formation of electrodes for fuel cells and active material's skeletons for alkaline storage-batteries, have been presented. The size-grading, electrolytic precipitates and sinters structure, catalytic properties, overpotential of hydrogen evolution, porosity and sintering conditions of the powder in the temperature of 500 and 700°C has been investigated. Comparative tests of the powders of other origin (powder obtained from nickel carbonyl and nickel formate) were performed too, in order to determine the differences between their physical and electrochemical properties. The results of the investigations carried out entitle to state, that the light powder obtained electrolytically, may be successfully applied for the sintered electrodes production, instead of commonly used carbonyl nickel powder.
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