Abstract
The presented paper discusses a possibility of developing surface of nickel powder by cyclic oxidation (air) and reduction (H2) processes for their further use as electrode precursors, in electrochemical processes of hydrogen production. The studies of a samples surface were conducted with the use of SEM/EDX technique. The electrochemical properties of porous Ni electrodes were examined by potentiostatic method. The authors applied a rotating electrode during those tests. The current-potential relationship was obtained at 40ºC 1M KOH with Hg|HgO reference electrode, i.e. under conditions similar to the industrial process of hydrogen production.
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