Preparation of porous lead from shape-controlled PbO bulk by in situ electrochemical reduction in ChCl–EG deep eutectic solvent

Ru, Juanjian; Ye, Hua; Xu, Cunying; Li, Jian; Li, Yan; Wang, Ding; Zhou, Zhongren; Gong, Kai

doi:10.1016/j.apsusc.2015.09.191

Cited by 14 publications

(8 citation statements)

References 45 publications

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“…Hua et al . prepared porous lead with different shapes from solid lead oxide with controlled geometries via in situ electrochemical reduction in ChCl‐EG . Cyclic voltammetry was employed to investigate the electrochemical behavior of lead oxide powders on a cavity microelectrode, revealing that lead oxide pellets were completely converted to metallic lead after 13 h, corresponding to a current efficiency of 87.79%.…”

Section: Roles Of Dess In Chemical Processesmentioning

confidence: 99%

“…Hua et al prepared porous lead with different shapes from solid lead oxide with controlled geometries via in situ electrochemical reduction in ChCl-EG. 185 Cyclic voltammetry was employed to investigate the electrochemical behavior of lead oxide powders on a cavity microelectrode, revealing that lead oxide pellets were completely converted to metallic lead after 13 h, corresponding to a current efficiency of 87.79%. In another work, 186 the same authors systematically investigated in situ electroreduction of solid lead oxide in ChCl-EG at a cell voltage of 2.5 V and a temperature of 353 K. Table 10 shows the results of metal electrodeposition in selected DESs.…”

Section: Biotransformation In Dessmentioning

confidence: 99%

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Deep eutectic solvents: designer fluids for chemical processes

Wazeer

Hayyan

Hadj-Kali

2017

J of Chemical Tech & Biotech

110

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The increasing demand for multi‐task green solvents has spurred the development of next‐generation liquid media such as deep eutectic solvents (DESs), which have recently attracted increased attention. DESs are mixtures of salts and complexing agents, having freezing points lower than those of starting individual components. Similarly to ionic liquids, DESs exhibit distinctive properties such as chemical and thermal stability, biodegradability, non‐flammability, and cost effectiveness. These features account for their wide range of applications, e.g. as extractants, reactants, catalysts, reaction media, additives, and lubricants. This review summarizes the recent research efforts directed at exploring the potential applications of DESs in various chemical processes. With the rapid publication of reports on this new generation of solvents, other roles also are expected to be seen sooner or later. © 2017 Society of Chemical Industry

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Section: Roles Of Dess In Chemical Processesmentioning

confidence: 99%

Section: Biotransformation In Dessmentioning

confidence: 99%

Deep eutectic solvents: designer fluids for chemical processes

Wazeer

Hayyan

Hadj-Kali

2017

J of Chemical Tech & Biotech

110

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“…The sintered pellets were wrapped with stainless steel mesh and then attached to a titanium current collector, as reported in Ref. 18. During the electrolysis process, the cell was purged with argon flow and the constant voltage of 2.5 V was controlled by a DC power supply (Zhejiang Yueqing Yizhan Electronics Co. Ltd., China) at different reaction temperatures from 313 K to 353 K for 4 h. The stirring speed was maintained at 300 rpm by a magnetic paddle (IKA-RET-basic).…”

Section: Synthesis Of Chcl-eg Desmentioning

confidence: 99%

“…Besides, porous lead with different shapes has been firstly prepared by direct electrolysis in ChCl-ethylene glycol (EG) DES and the reduction models of PbO pellet in dense and porous form were proposed. [18][19][20] In the present study, the effects of reaction temperature on the direct electro-deoxidation of solid PbO to porous lead are elucidated preliminarily in ChCl-EG DES. Cyclic voltammetry was carried out to analyze the electrochemical behavior of solid PbO on microelectrode at different temperatures and scan rates.…”

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confidence: 99%

Direct Electro-Deoxidation of Solid PbO to Porous Lead in Choline Chloride-Ethylene Glycol Deep Eutectic Solvent

Wang

2017

J. Electrochem. Soc.

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The effects of reaction temperature from 313 K to 353 K on the direct electro-deoxidation of solid PbO to porous lead in choline chloride-ethylene glycol deep eutectic solvent (ChCl-EG DES) are elucidated preliminarily at cell voltage 2.5 V for 4 h. Cyclic voltammetry of PbO powders on microelectrode in ChCl-EG indicates that a promotion effect of the increase in temperature is noticed on cathodic current. Constant voltage electrolysis demonstrates that the reduction degree of PbO pellet is 88.19% (in weight) at 353 K and appropriate raising of temperature can significantly facilitate the metallization of solid PbO to lead. Additionally, the morphological and crystallographic characteristics of porous lead are also clarified. Different shapes of dendrites and hexagonal crystal plates are generated at higher temperature with the predominant (111) plane of lead due to its slow growing rate. Furthermore, the direct electrolysis models of PbO pellet at lower and higher temperatures in ChCl-EG are put forward. The raising of temperature plays a crucial role in improving the reduction rate of the direct deoxidation of PbO(s)→Pb(s) and dissolution-electrodeposition of [PbO • Cl • EG] − →Pb(s).

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“…Generally, DESs are perepared as a mixture composed of a quaternary ammonium salt and a hydrogen bond donor. The melting point of the DESs is lower than their individual components, this decrement being a consequence of the hydrogen bond between halide ion and hydrogen bond donor [5][6][7].…”

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confidence: 95%

Corrosion Processes of Uranus B6 and Monel 400 Special Alloys in Deep Eutectic Solvents

Neacsu¹,

Donath²,

Yanushkevich³

et al. 2019

Rev. Chim.

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The corrosion behaviour of special alloys (Uranus B6 steel and Monel 400) exposed to chlorine chloride-deep eutectic solvents (DES) at 353 K has been investigated by polarization curves method. The corresponding corrosion parameters in choline chloride-oxalic acid and choline chloride-malonic acid were calculated. Micrographic images before and after immersion in the corrosive medium were obtained. Measurements of the influence of the corrosion process on the crystal structure and specific magnetization of the studied steels was carried out by using X-ray diffraction and respectivelly ponderomotive methods.

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Preparation of porous lead from shape-controlled PbO bulk by in situ electrochemical reduction in ChCl–EG deep eutectic solvent

Cited by 14 publications

References 45 publications

Deep eutectic solvents: designer fluids for chemical processes

Deep eutectic solvents: designer fluids for chemical processes

Direct Electro-Deoxidation of Solid PbO to Porous Lead in Choline Chloride-Ethylene Glycol Deep Eutectic Solvent

Corrosion Processes of Uranus B6 and Monel 400 Special Alloys in Deep Eutectic Solvents

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