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Abstract

The hydrogen evolution activity in acidic and basic mediums for Ni-W electrodemodified by carbon ion beam implantation was investigated.The experimental results show thiselectrode has superior catalytic activity for the hydrogen evolution reaction than that of the unmodifiedNi-electrode.Long period testing of electrolysis under high current density show that this electrode hasalonger useful life hence it is a practical electrode material.The temperature effect of electrocatalyticproperty was also inverstigated.The experimental regularities are explained on the basis of the formation of surface m uItialloys of Ni-W-WC.

Keywords

Ion beam implantation, Hydrogen evolution reaction, Electrocatalytic, Ni-W electrode

Publication Date

1995-02-28

Online Available Date

1995-02-28

Revised Date

1995-02-28

Received Date

1995-02-28

References

1ZhangJishuangetal.HydrogenevolutionreactiononthermodiffusiontreatedNi-implantedTielectrodes.Chem.J.ChineseUniv.,1990,6(3):229~2302张季爽等.注入镍离子提高钛阴极催化活性的研究.化学学报,1991,49(5):442~4453SergioTrasatti.Electrocatalysisofhydrogenevolution:progressineathodeactivation.Adv.Eleotrochem.Sci.Eng.,1992,(2):1~854张季爽等.离子束修饰析氢电极的研究.湖南大学学报(自然科学版),1993,20(3):21~265张季爽等.W离子注入Ni-Mo合金电极的析氢性能.化学学报,1994,52:489~4916ZhangJishuangetal.Studiesonion-beammodifiedhydrogenevolutionelectrodes.ChemicalResearchinChineseUniversities,1994,10(2):68~717张季爽等.电沉积镍钨注钼电极的析氢反应.应用化学,1993,10(5):92~94

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