Electrodeposition of Ni, Fe and Ni-Fe Alloys in Two Ionic Liquids: (tri (n-butyl) [2-methoxy-2-oxoethyl] Ammonium bis (trifluoromethylsulfonyl) [BuGBOEt] [Tf2N] and (1-butyl-1- methylpyrrolidinium bis trifluoromethylsulfonyl) imide ([P1,4] [Tf2N]) - Archive ouverte HAL Access content directly
Journal Articles International Journal of Electrochemical Science Year : 2016

Electrodeposition of Ni, Fe and Ni-Fe Alloys in Two Ionic Liquids: (tri (n-butyl) [2-methoxy-2-oxoethyl] Ammonium bis (trifluoromethylsulfonyl) [BuGBOEt] [Tf2N] and (1-butyl-1- methylpyrrolidinium bis trifluoromethylsulfonyl) imide ([P1,4] [Tf2N])

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Abstract

Ni, Fe and Ni-Fe alloys electrodeposition were tested in two ionic liquids. The first one is a commercial (1-butyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)imide ([P1,4][Tf2N])) and the second is a homemade (tri(n-butyl)[2-ethoxy-2oxoethyl]ammonium bis (trifluoromethylsulfonyl)imide([BuGBOEt][Tf2N])). Covering iron deposits was obtained in the [BuGBOEt][Tf2N]. Nickel deposition was only possible in the [P1,4][Tf2N]. Ni-Fe alloys were obtained from the [P1,4][Tf2N] solvent. The study of the evolution of alloys composition versus polarisation shows irregular evolution depending on the applied potential. The alloys composition varies approximately between Ni70-Fe30 and Ni90-Fe10 for applied potentials including to - 1.8 V and - 4 V versus Ni electrode. The chemical composition, the surface morphology and the structure, of deposits were characterized by scanning electron microscopy (SEM), energy dispersive analysis (EDX) and Xray diffraction (XRD).

Dates and versions

hal-01889372 , version 1 (06-10-2018)

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Rafik Maizi, Patrick Fricoteaux, Aminou Mohamadou, Athmane Meddour, Céline Rousse. Electrodeposition of Ni, Fe and Ni-Fe Alloys in Two Ionic Liquids: (tri (n-butyl) [2-methoxy-2-oxoethyl] Ammonium bis (trifluoromethylsulfonyl) [BuGBOEt] [Tf2N] and (1-butyl-1- methylpyrrolidinium bis trifluoromethylsulfonyl) imide ([P1,4] [Tf2N]). International Journal of Electrochemical Science, 2016, pp.7111 - 7124. ⟨10.20964/2016.08.70⟩. ⟨hal-01889372⟩
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