Abstract

Ni–Mo alloy films were prepared by electrodeposition technique in sulfate-chloride bath. The influence of main technical parameters, such as bath temperature, pH and current density on microstructure and surface morphology of Ni–Mo alloy films were characterized by X-ray diffractometer (XRD) and scanning electron microscope (SEM). The electrochemical properties for the electrodepositing Ni–Mo alloy films for hydrogen evolution were investigated by electrochemical methods, using cathode polarization curves. Results showed that the excellent electrochemical properties for the Ni–Mo alloy films were obtained when the current density, bath temperature and pH were 8 A/dm2, 30 °C and 5.0, respectively.

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