The stability of hydrogen evolution activity and corrosion behavior of porous Ni3Al-Mo electrode in alkaline solution during long-term electrolysis

Liang Wu; Yuehui He; Ting Lei; Bo Nan; Nanping Xu; Jin Zou; Baiyun Huang; C. T. Liu

doi:10.1016/j.energy.2014.02.033

The stability of hydrogen evolution activity and corrosion behavior of porous Ni₃Al-Mo electrode in alkaline solution during long-term electrolysis

Liang Wu, Yuehui He, Ting Lei, Bo Nan, Nanping Xu, Jin Zou, Baiyun Huang, C. T. Liu

College of Chemical Engineering

Research output: Contribution to journal › Article › peer-review

40 Scopus citations

Abstract

The long-term stability and the effect of electrolysis on the corrosion behavior of porous Ni₃Al-Mo electrode obtained by reactive synthesis of Ni, Al and Mo elemental powders for hydrogen evolution reaction (HER) were investigated in 6M KOH solution under-100mAcm^-2 current density at room temperature. The long-term operation shows that the electrochemical activity of porous Ni₃Al-Mo electrode increases slightly with increasing electrolysis time. The activation of electrode relates to the removal of the existing oxidation products during sintering process. The corrosion tests show that the corrosion resistance of the porous Ni₃Al-Mo electrode changes after electrolysis.

Original language	English
Pages (from-to)	19-26
Number of pages	8
Journal	Energy
Volume	67
DOIs	https://doi.org/10.1016/j.energy.2014.02.033
State	Published - 1 Apr 2014

Keywords

Corrosion resistance
Hydrogen evolution reaction
Reactive synthesis
Stability

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1016/j.energy.2014.02.033

Cite this

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title = "The stability of hydrogen evolution activity and corrosion behavior of porous Ni3Al-Mo electrode in alkaline solution during long-term electrolysis",

abstract = "The long-term stability and the effect of electrolysis on the corrosion behavior of porous Ni3Al-Mo electrode obtained by reactive synthesis of Ni, Al and Mo elemental powders for hydrogen evolution reaction (HER) were investigated in 6M KOH solution under-100mAcm-2 current density at room temperature. The long-term operation shows that the electrochemical activity of porous Ni3Al-Mo electrode increases slightly with increasing electrolysis time. The activation of electrode relates to the removal of the existing oxidation products during sintering process. The corrosion tests show that the corrosion resistance of the porous Ni3Al-Mo electrode changes after electrolysis.",

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T1 - The stability of hydrogen evolution activity and corrosion behavior of porous Ni3Al-Mo electrode in alkaline solution during long-term electrolysis

AU - Wu, Liang

AU - He, Yuehui

AU - Lei, Ting

AU - Nan, Bo

AU - Xu, Nanping

AU - Zou, Jin

AU - Huang, Baiyun

AU - Liu, C. T.

PY - 2014/4/1

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N2 - The long-term stability and the effect of electrolysis on the corrosion behavior of porous Ni3Al-Mo electrode obtained by reactive synthesis of Ni, Al and Mo elemental powders for hydrogen evolution reaction (HER) were investigated in 6M KOH solution under-100mAcm-2 current density at room temperature. The long-term operation shows that the electrochemical activity of porous Ni3Al-Mo electrode increases slightly with increasing electrolysis time. The activation of electrode relates to the removal of the existing oxidation products during sintering process. The corrosion tests show that the corrosion resistance of the porous Ni3Al-Mo electrode changes after electrolysis.

AB - The long-term stability and the effect of electrolysis on the corrosion behavior of porous Ni3Al-Mo electrode obtained by reactive synthesis of Ni, Al and Mo elemental powders for hydrogen evolution reaction (HER) were investigated in 6M KOH solution under-100mAcm-2 current density at room temperature. The long-term operation shows that the electrochemical activity of porous Ni3Al-Mo electrode increases slightly with increasing electrolysis time. The activation of electrode relates to the removal of the existing oxidation products during sintering process. The corrosion tests show that the corrosion resistance of the porous Ni3Al-Mo electrode changes after electrolysis.

KW - Corrosion resistance

KW - Hydrogen evolution reaction

KW - Reactive synthesis

KW - Stability

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