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

Asahi Kawashima, Eiji Akiyama, Hiroki Habazaki, Koji Hashimoto

Research output: Contribution to journalArticle

64 Citations (Scopus)

Abstract

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.

Original languageEnglish
Pages (from-to)905-909
Number of pages5
JournalMaterials Science and Engineering A
Volume226-228
DOIs
Publication statusPublished - 1997 Jun 15

Keywords

  • Electrocatalyst
  • Hydrogen evolution
  • Ni-Mo
  • Ni-W
  • Sputter deposition

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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