Artigo Revisado por pares

Characterization of sputter-deposited Ni-Mo and Ni-W alloy electrocatalysts for hydrogen evolution in alkaline solution

1997; Elsevier BV; Volume: 226-228; Linguagem: Inglês

10.1016/s0921-5093(97)80095-0

ISSN

1873-4936

Autores

A. Kawashima, Eiji Akiyama, H. Habazaki, Kōji Hashimoto,

Tópico(s)

Electrodeposition and Electroless Coatings

Resumo

Binary Ni-Mo and Ni-W alloy coatings with good adhesion to nickel substrate are successfully prepared by d.c. magnetron sputter deposition method. These alloy electrodes are found to be active hydrogen evolution electrocatalysts in 1 M NaOH solution at 30 °C. Ni-Mo alloy electrodes exhibit the highest activity, which is higher than that of smooth platinum electrode. Leaching treatment in hot concentrated caustic solution for Ni-Mo alloys significantly enhances the activity.

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