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A porous Ni–Cu alloy with a most probable pore size of 2.4 μm and an open porosity over 31.5% was synthesized by step sintering pressed compacts consisted of mixed Ni and Cu powders in a vacuum furnace. The electrocatalytic activity and stability of the fabricated porous Ni–Cu alloy as cathode for the HER (hydrogen evolution reaction) in 6.0 mol/L potassium hydroxide solution were investigated by...
The long-term stability and the effect of electrolysis on the corrosion behavior of porous Ni 3 Al–Mo electrode obtained by reactive synthesis of Ni, Al and Mo elemental powders for hydrogen evolution reaction (HER) were investigated in 6 M KOH solution under −100 mA cm −2 current density at room temperature. The long-term operation shows that the electrochemical activity of porous...
Objective of this work is to investigate the electrocatalytic efficiency using cyclic voltammetry, cathodic polarization and impedance spectroscopy techniques of the porous Ni 3 Al–Mo electrodes obtained by reactive synthesis of Ni, Al and Mo elemental powders. The kinetic parameters are determined from electrochemical steady-state polarization and electrochemical impedance spectroscopy technology...
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