The role of electrolyte ratio in electrodeposition of nanoscale Fe Cr alloy from choline chloride-ethylene glycol ionic liquid: A suitable layer for corrosion resistance

Wang, Zhiwei; Wu, Teng; Geng, Xin; Ru, Juanjian; Ye, Hua; Bu, Jiaojiao; Yu, Xue; Wang, Ding

doi:10.1016/j.molliq.2021.117059

Cited by 11 publications

(5 citation statements)

References 44 publications

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“…This can influence the obtained phase diagram drastically. However, a recent study found the lowest melting point of the ChCl/EG mixture for x (ChCl)=0.17 (ChCl/EG 1 : 5) at −67 °C [36] . This ratio is very similar to our results.…”

Section: Resultssupporting

confidence: 92%

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Electrodeposition of Cu onto Au(111) from Deep Eutectic Solvents: Molar Ratio of Salt and Hydrogen Bond Donor

et al. 2022

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The electrodeposition of copper onto Au(111) from Deep Eutectic Solvents (DESs) type III has been studied by cyclic voltammetry. Investigations were carried out with mixtures of choline chloride (ChCl) and ethylene glycol (EG) or trifluoroacetamide (TFA). The eutectic compositions and temperatures were determined by differential scanning calorimetry (DSC). For the ChCl/EG DES, a eutectic ratio of 16 : 84 (ChCl:EG) was found instead of the previously reported ratio of 33 : 67. The electrodeposition of copper was studied for electrolytes with different ratios of ChCl to hydrogen bond donor (HBD) to resolve the influence of the composition on the deposition behavior. Both CuCl and CuCl 2 were used as Cu salts. Underpotential deposition (UPD) is followed by bulk deposition with the diffusion rate of Cu species being dependent on the ratio of ChCl to HBD. With CuCl 2 , both Cu + and Cu 2 + species are reduced and deposited, whereby the two-electron reduction is more dominant with higher chloride content and presence of EG. However, the properties of the Cu electrodeposition do not result from the freezing-point depression of the DESs, but from the high concentration of ions.

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Section: Resultssupporting

confidence: 92%

“…However, a recent study found the lowest melting point of the ChCl/EG mixture for x(ChCl) = 0.17 (ChCl/ EG 1 : 5) at À 67 °C. [36] This ratio is very similar to our results. Unfortunately, no experimental details have been given.…”

Section: Thermal Characterizationsupporting

confidence: 93%

Electrodeposition of Cu onto Au(111) from Deep Eutectic Solvents: Molar Ratio of Salt and Hydrogen Bond Donor

et al. 2022

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“…After the adsorption of Cr(VI), the main peaks shifted to 711.4 eV and 725.1 eV, respectively, indicating that the iron was involved in the adsorption. As shown in Figure 4C, the binding energies at 576.8 eV (Cr 2p3/2) and 586.7 eV (Cr2p1/2) correspond to Cr(III), and the peaks of 579.0 eV (Cr 2p3/2) and 588.3 eV (Cr2p1/2) correspond to Cr(VI) [52,53]. Hence, the MHDB could have effectively reduced the Cr(VI) concentration in the water, converting the Cr(VI) to the stable Cr(III).…”

Section: X-ray Photoelectron Spectroscopy (Xps) Analysismentioning

confidence: 96%

Mitigating the Health Effects of Aqueous Cr(VI) with Iron-Modified Biochar

Zheng

Duan

2022

IJERPH

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A large amount of chromium (Cr) has entered the natural environment from the wastewater and waste residues, and the hexavalent (Cr(VI)) is highly poisonous, threatening the ecological environment and human health directly. In this study, iron-modified biochar was prepared using honeysuckle residue as raw material and the ferric chloride impregnation method. Batch Cr(VI) adsorption experiments were carried out using the modified honeysuckle-derived biochar (MHDB) as an adsorbent. The results indicate that a pH of 2 was best for the adsorption removal of Cr(VI) in the initial pH range of 2–10. The adsorption kinetic data fitted the pseudo-second-order model best out of the two models, and the Langmuir model was better than the Freundlich model to describe the adsorption process. Thermodynamic analysis indicated that the adsorption process of Cr(VI) on MHDB had an endothermic and spontaneous nature, and the increasing temperature was conducive to the adsorption. The main mechanisms of Cr(VI) adsorption might be the physical adsorption (electrostatic interactions) and chemical adsorption (ion exchange, the reduction of Cr(VI) to Cr(III)). The efficient adsorption of Cr(VI) makes MHDB a potential material for Cr(VI)-containing wastewater treatment. This study provides a feasible adsorption material for mitigating the environmental hazards of chromium, which has a certain reference value for protecting environmental health.

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“…The electrodeposition and electrochemical behavior of alloys in DESs have been extensively addressed, such as Fe-Cr [ 155 , 156 ], Cu-Au [ 157 ], Ni-Mo [ 158 ], Au-Pt [ 159 ], Ni-Co [ 160 ], Cu-Sn [ 164 ], Zn-Sn [ 165 ], Pd-Co [ 161 ], and Co-Pt [ 162 ]. The electrodeposition of more than one metal often forms different structures and properties [ 166 , 167 ].…”

Section: Design Strategy and Application Of Des For Nanomaterials Fab...mentioning

confidence: 99%

“…It has been reported that the ultimate aprotic liquids (e.g., DESs) for the electrodeposition of alloys can avoid the hydrogen evolution issue that limits the potential application of an aqueous solution [ 55 , 140 ]. Recently, the nanoscale Fe-Cr alloy was achieved by electrodeposition in ChCl-EG without adding any additives ( Figure 6 a) [ 155 , 156 ]. CrCl 3 .6H 2 O and FeCl 2 .4H 2 O were dissolved in ChCl-EG DES.…”

Section: Design Strategy and Application Of Des For Nanomaterials Fab...mentioning

confidence: 99%

Design Strategy and Application of Deep Eutectic Solvents for Green Synthesis of Nanomaterials

et al. 2023

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The first report of deep eutectic solvents (DESs) was released in 2003 and was identified as a new member of ionic liquid (IL), involving innovative chemical and physical characteristics. Using green solvent technology concerning economical, practical, and environmental aspects, DESs open the window for sustainable development of nanomaterial fabrication. The DESs assist in different fabrication processes and design nanostructures with specific morphology and properties by tunable reaction conditions. Using DESs in synthesis reactions can reduce the required high temperature and pressure conditions for decreasing energy consumption and the risk of environmental contamination. This review paper provides the recent applications and advances in the design strategy of DESs for the green synthesis of nanomaterials. The strategy and application of DESs in wet-chemical processes, nanosize reticular material fabrication, electrodeposition/electrochemical synthesis of nanostructures, electroless deposition, DESs based nano-catalytic and nanofluidic systems are discussed and highlighted in this review.

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The role of electrolyte ratio in electrodeposition of nanoscale Fe Cr alloy from choline chloride-ethylene glycol ionic liquid: A suitable layer for corrosion resistance

Cited by 11 publications

References 44 publications

Electrodeposition of Cu onto Au(111) from Deep Eutectic Solvents: Molar Ratio of Salt and Hydrogen Bond Donor

Electrodeposition of Cu onto Au(111) from Deep Eutectic Solvents: Molar Ratio of Salt and Hydrogen Bond Donor

Mitigating the Health Effects of Aqueous Cr(VI) with Iron-Modified Biochar

Design Strategy and Application of Deep Eutectic Solvents for Green Synthesis of Nanomaterials

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