A new bath for the electrodeposition of aluminium. I. conductivity measurements

Badawy, W. A.; Sabrah, B. A.; Hilal, Nadia H.

doi:10.1007/bf01006923

Cited by 8 publications

(1 citation statement)

References 11 publications

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“…Various organic solvents have also been studied for use as Al electrodeposition electrolytes. Aromatic hydrocarbons, such as toluene and benzene, 19,20 and ether-group solvents, such as diethyl ether or tetrahydrofuran, [21][22][23][24] have been examined as electrolytes for Al electrodeposition, some of which have found practical use. 24 These organic-solvent-based electrolytes have low viscosity, low melting points, and high conductivities, and they are inexpensive compared to ionic liquids.…”

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Effect of Ammonium Salts on the Conductivity and Current Efficiency of Dimethyl Sulfone-Aluminum Chloride Electrolytes

Matsuda¹,

Okamoto²,

Akahoshi³

et al. 2022

J. Electrochem. Soc.

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In this study, we investigated the effects of ammonium chloride (NH4Cl) and tetramethylammonium chloride (TMAC) on the conductivity and current efficiency of dimethyl sulfone (DMSO2) -aluminum chloride (AlCl3) electrolyte. When NH4Cl and TMAC were added independently, the conductivity of the electrolyte increased, which was attributed to a decrease in the electrolyte viscosity. 27Al nuclear magnetic resonance (NMR) spectroscopy showed that chloride addition reduced the ratio of solvated Al3+ ions. This occurred because Al3+ and Cl− dissociated from chloride and formed AlCl4−, which increased the amount of non-solvated DMSO2 species, consequently decreasing the electrolyte viscosity. NH4Cl improved the plating appearance even when added in small amounts; however, when added in relatively high concentrations, the conductivity increased, while the current efficiency decreased significantly. Conversely, TMAC did not induce a significant decrease in the current efficiency up to an addition amount of 0.1 mol. The electrolyte with the co-addition of TMAC and a small amount of NH4Cl showed increased conductivity while minimizing the decrease in current efficiency. Also, good results in the appearance and purity of the plating film were obtained.

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Effect of Ammonium Salts on the Conductivity and Current Efficiency of Dimethyl Sulfone-Aluminum Chloride Electrolytes

Matsuda¹,

Okamoto²,

Akahoshi³

et al. 2022

J. Electrochem. Soc.

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The Principles and Techniques of Electrolytic Aluminum Deposition and Dissolution in Organoaluminum Electrolytes

Lehmkuhl

Mehler

Landau³

1993

Advances in Electrochemical Sciences and Engineering

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A new bath for the electrodeposition of aluminium. IV. The electrochemical behaviour of the rotating aluminium disc electrode in pure LiAlH₄/THF‐toluene solutions

Badawy

Hilal

1989

Ber Bunsenges Phys Chem

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The electrochemical behaviour of the rotating aluminium disc electrode in LiAIH,/tetrahydrofuran (THF)-toluene solutions was studied. The kinetic parameters controlling the electrode process were investigated. The effect of concentration of LiAIH1, the speed of rotation of the rotating disc electrode, and the temperature on the current density-potential behaviour of the aluminium electrode during the anodic and cathodic polarization was analyzed. The results were compared with those obtained for pur AIC13 or AIC13 + LiAIH4/THFtoluene solutions.

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A new bath for the electrodeposition of aluminium. I. conductivity measurements

Cited by 8 publications

References 11 publications

Effect of Ammonium Salts on the Conductivity and Current Efficiency of Dimethyl Sulfone-Aluminum Chloride Electrolytes

Effect of Ammonium Salts on the Conductivity and Current Efficiency of Dimethyl Sulfone-Aluminum Chloride Electrolytes

The Principles and Techniques of Electrolytic Aluminum Deposition and Dissolution in Organoaluminum Electrolytes

A new bath for the electrodeposition of aluminium. IV. The electrochemical behaviour of the rotating aluminium disc electrode in pure LiAlH₄/THF‐toluene solutions

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A new bath for the electrodeposition of aluminium. I. conductivity measurements

Cited by 8 publications

References 11 publications

Effect of Ammonium Salts on the Conductivity and Current Efficiency of Dimethyl Sulfone-Aluminum Chloride Electrolytes

Effect of Ammonium Salts on the Conductivity and Current Efficiency of Dimethyl Sulfone-Aluminum Chloride Electrolytes

The Principles and Techniques of Electrolytic Aluminum Deposition and Dissolution in Organoaluminum Electrolytes

A new bath for the electrodeposition of aluminium. IV. The electrochemical behaviour of the rotating aluminium disc electrode in pure LiAlH4/THF‐toluene solutions

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A new bath for the electrodeposition of aluminium. IV. The electrochemical behaviour of the rotating aluminium disc electrode in pure LiAlH₄/THF‐toluene solutions