Composite electrode Ni-W-TiO2 was prepared by electrodeposition.Electrocatalytic behaviors of hydrogen evolution reaction on the obtained electrode was studied by steady-state polarization and AC impedance techniques in 7mol/L KOH solution.The apparent activation energy of hydrogen evolution reaction and stability of the elctrode were also reported.Experiment results showed that the introduction of TiO2 to the Ni-W layer lead to an improvement of Electrocatalytic and stability of the layer.The improvemment was due to the increase of the surface area and the decrease of the apparent activation energy.
