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Electrodeposition of Aluminum in the 1-Ethyl-3-Methylimidazolium Tetrachloroaluminate Ionic Liquid

Journal Article · · Electrochem

The electrodeposition of Al was investigated in an ionic liquid (IL), with 1-ethyl-3-methylimidazolium tetrachloroaluminate ([EMIm]AlCl4) as the electrolyte with AlCl3 precursor. The [EMIm]AlCl4 electrolyte exhibited a wide and stable electrochemical window from 3.2 to 2.3 V on a glassy carbon electrode when temperature was increased from 30 °C to 110 °C. The addition of AlCl3 into [EMIm]AlCl4 generated significant well-developed nucleation growth loops, and new coupled reduction and oxidation peaks in cyclic voltammograms corresponding to the Al deposition and dissolution, respectively. A calculation model was proposed predicting compositions of anions in AlCl3/[EMIm]AlCl4 system, and [Al2Cl7]− was found to be the active species for Al deposition. In AlCl3/[EMIm]AlCl4 (1:5), the reduction rate constants were 1.18 × 10−5 cm s−1 and 3.37 × 10−4 cm s−1 at 30 °C and 110 °C, respectively. Scanning electron microscope (SEM), energy dispersive spectroscope (EDS), and X-ray diffraction (XRD) microscope results showed that the metallic Al film had been successfully deposited on glassy carbon electrodes through constant-potential cathodic reductions. The [EMIm]AlCl4 was a promising electrolyte directly used for Al deposition.

Sponsoring Organization:
USDOE
Grant/Contract Number:
AC07-05ID14517
OSTI ID:
1772851
Journal Information:
Electrochem, Journal Name: Electrochem Vol. 2 Journal Issue: 2; ISSN 2673-3293
Publisher:
MDPI AGCopyright Statement
Country of Publication:
Switzerland
Language:
English

References (51)

Improvement of Al coating adhesive strength on the AZ91D magnesium alloy electrodeposited from ionic liquid journal September 2012
Determination of equilibrium constants for the tetrachloroaluminate ion dissociation in ambient-temperature ionic liquids journal May 1984
Electrodeposition of aluminium from nonaqueous organic electrolytic systems and room temperature molten salts journal January 1997
A Force Field for Liquid State Simulations on Room Temperature Molten Salts:  1-Ethyl-3-methylimidazolium Tetrachloroaluminate journal April 2002
Electrochemically activated spinel manganese oxide for rechargeable aqueous aluminum battery journal January 2019
An overview and prospective on Al and Al-ion battery technologies journal January 2021
An ultrafast rechargeable aluminium-ion battery journal April 2015
Review—Electrochemical Surface Finishing and Energy Storage Technology with Room-Temperature Haloaluminate Ionic Liquids and Mixtures journal January 2017
Dialkylimidazolium chloroaluminate melts: a new class of room-temperature ionic liquids for electrochemistry, spectroscopy and synthesis journal March 1982
Electrodeposition of nanocrystalline aluminium from a chloroaluminate ionic liquid journal August 2010
Evaluation of the Electrochemical Behavior of CeCl3 in Molten LiCl-KCl Eutectic Utilizing Metallic Ce as an Anode journal January 2011
The anionic structure of room-temperature organic chloroaluminate melts from secondary ion mass spectrometry journal July 1986
Properties of 1,3-dialkylimidazolium chloride-aluminum chloride ionic liquids. 1. Ion interactions by nuclear magnetic resonance spectroscopy journal June 1984
Nano-sized aluminum coatings from aryl-substituted imidazolium cation based ionic liquid journal December 2016
Aluminum Electrochemical Nucleation and Growth onto a Glassy Carbon Electrode from a Deep Eutectic Solvent journal October 2018
Properties of 1,3-dialkylimidazolium chloride-aluminum chloride ionic liquids. 2. Phase transitions, densities, electrical conductivities, and viscosities journal June 1984
The Electrodeposition of Aluminum from Nonaqueous Solutions at Room Temperature journal January 1951
Aluminum Patterned Electroplating from AlCl3–[EMIm]Cl Ionic Liquid towards Microsystems Application journal November 2018
Theory and Application of Cyclic Voltammetry for Measurement of Electrode Reaction Kinetics. journal October 1965
Simultaneous electropolishing and electrodeposition of aluminum in ionic liquid under ambient conditions journal March 2018
Electrodeposition and corrosion characterisation of micro- and nano-crystalline aluminium from AlCl3/1-ethyl-3-methylimidazolium chloride ionic liquid journal July 2013
Direct Determination of the Transfer Coefficient from Cyclic Voltammetry: Isopoints as Diagnostics journal May 1995
Potentiodynamic Polarization of Platinum and Aluminum in AlCl3-[P14,6,6,6]Cl Melts journal August 2009
Double layer, diluent and anode effects upon the electrodeposition of aluminium from chloroaluminate based ionic liquids journal January 2010
Electrodeposition of Bright Al Coatings from 1-Butyl-3-Methylimidazolium Chloroaluminate Ionic Liquids with Specific Additives journal January 2015
Electrodeposition of aluminium foils on carbon electrodes in low temperature ionic liquid journal January 2017
The current transient for nucleation and diffusion-controlled growth of spherical caps journal October 2008
The Structure of Electrodeposited Aluminum Alloys from Chloroaluminate Ionic Liquids: Let’s Not Ignore the Temperature journal August 2014
Chloroaluminate Equilibria in the Aluminum Chloride‐1‐Methyl‐3‐ethylimidazolium Chloride Ionic Liquid journal July 1986
Solid electrolyte interphases for high-energy aqueous aluminum electrochemical cells journal November 2018
Differential Capacitance of the Electrical Double Layer in Imidazolium-Based Ionic Liquids:  Influence of Potential, Cation Size, and Temperature journal April 2008
A High‐Energy Aqueous Aluminum‐Manganese Battery journal September 2019
Thermodynamics of 1-Methyl-3-Ethylimidazolium Chloride -- Aluminum Chloride Mixtures journal January 1987
New electrolytes for aluminum production: Ionic liquids journal November 2003
Electrodeposition of aluminium from ionic liquids: Part I—electrodeposition and surface morphology of aluminium from aluminium chloride (AlCl3)–1-ethyl-3-methylimidazolium chloride ([EMIm]Cl) ionic liquids journal September 2006
Rechargeable aluminum batteries: effects of cations in ionic liquid electrolytes journal January 2019
Electrodeposition of aluminium in aluminium chloride/1-methyl-3-ethylimidazolium chloride journal July 1988
Acidity of Neutral Buffered 1-Ethyl-3-methylimidazolium Chloride−AlCl 3 Ambient-Temperature Molten Salts journal April 1998
Mechanistic study of Al electrodeposition from EMIC–AlCl3 and BMIC–AlCl3 electrolytes at low temperature journal January 2014
A fast atom bombardment mass spectrometric study of room-temperature 1-ethyl-3-methylimidazolium chloroaluminate(III) ionic liquids. Evidence for the existence of the decachlorotrialuminate(III) anion journal July 1993
Effect of nicotinamide on electrodeposition of Al from aluminium chloride (AlCl3)-1-butyl-3-methylimidazolium chloride ([Bmim]Cl) ionic liquids journal October 2013
Aluminium Electrodeposition from Ionic Liquid: Effect of Deposition Temperature and Sonication † journal August 2016
Electrodeposition of Nanocrystalline Metals and Alloys from Ionic Liquids journal July 2003
A new method for practical electrodeposition of aluminium from ionic liquids journal February 2015
An Aluminum Acid‐Base Concentration Cell Using Room Temperature Chloroaluminate Ionic Liquids journal December 1984
Alkyl Chain Size Effects on Liquid Phase Properties of 1-Alkyl-3-Methylimidazolium Tetrachloroaluminate Ionic LiquidsA Microscopic Point of View from Computational Chemistry journal May 2009
Raman Spectra of KCl-AlCl3 Melts and Normal Coordinate Analysis of Al2CL7-. journal January 1971
Simultaneous X‐Ray Diffraction and Tomography Operando Investigation of Aluminum/Graphite Batteries journal September 2020
Modeling of Aluminium Deposition from Chloroaluminate Ionic Liquids journal January 2011
Electrodeposition of Al from a 1-butylpyrrolidine-AlCl3 ionic liquid journal December 2015
Friedel−Crafts Sulfonylation in 1-Butyl-3-methylimidazolium Chloroaluminate Ionic Liquids journal December 2001