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1 edition of Investigations of Ambient-Temperature Chloroaluminate Molten Salts found in the catalog.

Investigations of Ambient-Temperature Chloroaluminate Molten Salts

Investigations of Ambient-Temperature Chloroaluminate Molten Salts

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Published by Storming Media .
Written in English

    Subjects:
  • SCI013040

  • The Physical Object
    FormatSpiral-bound
    ID Numbers
    Open LibraryOL11851132M
    ISBN 101423568559
    ISBN 109781423568551

      Although basic chloroaluminate molten salts at a nar- row AlCl3 percentage are in a liquid state at room temperature,12 they are less attractive to serve as extractive solvents because of their high viscosity. The electrodeposition of Al-transition metal alloys from the Lewis acidic room-temperature chloroaluminate molten salt, aluminum chlorideethylmethylimidazolium chloride, has been investigated as an alternative to conventional nonequilibrium methods for preparing these corrosion-resistant the alloys that have been electrodeposited from this or related chloroaluminate . Neutron diffraction was used for the investigation of structure of the ambient temperature alkali metal molten salt system AlCl 3 /LiSCN. Result showed that Aluminum atom maintained a tetrahedral coordination environment and the SCN-anion coordinates to the Aluminium through the Nitrogen ends. The bond distances obtained from neutron diffraction matched with the calculation results and showed Cited by: 8. Low temperature molten salt compositions comprised of a mixture of a metal halide, such as but not limited to aluminum trichloride, and a fluoropyrazolium salt, such as but not limited to 1,2-dimethylfluoropyrazolium chloride, which are resistant towards oxidation over a wide temperature gradient and are useful as electrolytes in electrochemical by:


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Investigations of Ambient-Temperature Chloroaluminate Molten Salts Download PDF EPUB FB2

Lewis neutral room temperature chloroaluminate molten salts made by mixing 1-methylethylimidazolium chloride (MEIC1) and aluminum chloride are being investigated. Part of the Industry-University Cooperative Chemistry Program Symposia book series (IUCC) Abstract The ambient-temperature molten salt AlCl ethylmethylimidazolium chloride (ImCl) provides a low-temperature medium for the study of chloro complexes when the AlCl 3: ImCl molar ration is melt).Author: R.

Carlin, R. Osteryoung. Chemistry in a class of ambient temperature organic chloroaluminates is described. The emphasis is on electrochemical studies, and is concerned primarily with the systems N-(1-butyl)-pyridinium Organic Chloroaluminate Ambient Temperature Molten Salts | SpringerLinkCited by: Investigations of the Electrodeposition of Aluminum-Manganese Alloys from Room Temperature Chloroaluminate Molten Salts H.

De Long Air Force Office of Scientific Research, Boiling AFB, Washington, DCUSA. Lithium and Sodium Standard Reduction Potentials in Ambient-Temperature Chloroaluminate Molten Salts.

We wish to report here the direct determination of the standard reduction potentials for the Li+/Li(s) and Na+/Na(s) coupled in AlCl3:MEIC:LiCl and AlCl3:DMPIC:NaCl buffered neutral melts, respectively.

Reactions of Binaphthyls in Tetrachloroaluminate Molten Salts. Polycyclic Aromatic Compounds2 (), DOI: / Richard T. Carlin, John S. Wilkes. Complexation of Cp2MCl2 in a chloroaluminate molten salt: relevance to homogeneous Ziegler-Natta by: An investigation has been conducted into the electrodeposition of Nb-Sn alloy from ambient temperature molten salt electrolytes of an SnCl2-NbCl5-BPC (1-butylpyridinium chloride.

In the present study, are reported investigations obtained with the room temperature molten salt (RTMS) ethyl-methyl-imidazolium bis-(trifluoromethanesulfonyl)-imide (EMI-TFSI) in order to use it as solvent in lithium battery.

The thermal stability, viscosity, conductivity and Cited by: Introduction The ambient-temperature chloroaluminate molten salt AlCla-MEIC (MEIC =1-ethylmethylimidazolium) offers a unique medium for studying chloride and Aids complexation [1 3]. It has controllable Lewis acidity and donor/acceptor properties through variation of the AlCl3:MEIC molar ratio Cited by: The Chemistry of Water in Ambient-Temperature Chloroaluminate Ionic Liquids: NMR Studies T.

Zawodzinski, Jr. and R. Osteryoung Ionic Structure and Interactions in 1-Methyl 3-Ethylimidazolium Chloride/A1C13 Molten Salts K. Dieter, C. Dymek, Jr., N. Heimer, J. Rovang and J. Wilkes Nuclear Spin Relaxation of Cesium File Size: KB. Friedel-Crafts reactions are a diverse and important class of organic reactions that may be carried out in chloroaluminate molten salts.

This review includes only the Friedel-Crafts class of reactions of organic compounds in chloroaluminate by: 5. Room temperature chloroaluminate molten salts formed by mixing 1-methylethylimidazolium chloride (MEICl) with AlCl3 are of interest as electrolytes and nonaqueous reaction media.

Ambient-temperature chloroaluminate molten salts, mixtures of aluminum trichloride (AlCl3) and 1-ethylmethylimidazolium chloride (ImCl), have been used as solvents to excise and isolate centered hexanuclear zirconium halide clusters from their solid-state precursors.

Cluster compounds synthesized via high-temperature reactions, KZr6CCl15 and Li2Zr6MnCl15, were dissolved into basic molten Cited by: Mixtures of aluminum chloride and some organic chloride salts form new salts that are liquid at room temperature.

The properties of the organic salt often have a large effect on the physical and. Vanadium Oxide Complexes in Room-Temperature Chloroaluminate Molten Salts.

Inorganic Chemistry38 (25), DOI: /ico. Marc A. Noel, Paul C. Trulove, and Robert A. Osteryoung. Removal of protons from ambient-temperature chloroaluminate ionic by: Ambient temperature AlCl3−1-ethylmethylimidazolium chloride (ImCl) molten salts, both basic (40/60 mol % AlCl3/ImCl) and acidic (60/40 mol % AlCl3/ImCl), were used in an electrochemical investigation of centered hexanuclear zirconium halide clusters.

In the basic molten salt, these [(Zr6ZCl12)Cl6]n- (Z = Be, B, C, Mn, Fe) centered clusters exhibit the following electrochemical reactions Cited by: Molten salts are of considerable significance to chemical technology. Applications range from the established ones, such as the production of aluminum, magnesium, sodium and fluorine, to those as yet to be fully exploited, such as molten salt batteries and fuel cells, catalysis, and solar energy.

Proceedings of the Eighth International Symposium on Molten Salts: [St. Louis, Missouri, May Investigation of a molten salt extraction/electrolysis process for converting ilmenite to iron and a high grade TiO~2 feedstock Standard reduction potentials for lithium and sodium in ambient-temperature chloroaluminate molten salts.

Carlin, R. At °C, the weight change of the NaF-NaCl-Na 2 CO 3 system was measured to be % in this work. For this novel molten salt, the temperature of thermal stability reached °C and the upper limit of working temperature may be used up to °C for a short-term by: 8.

Spectroscopic and Electrochemical Investigations of Selected Aromatic and Heteroaromatic Compounds in Ambient Temperature Chloroaluminate Melts Investigations of Complex Formation and Phase Diagrams of Molten Salts Related to the Oxidized Form of Sulphuric Acid CatalystsAuthor: J.E.

Coffield, S.P. Zingg, K.D. Sienerth, S. Williams, C. Lee, G. Mamantov, G.P. Smith. A room temperature chloroaluminate molten salt, or ionic liquid, has been employed as an effective medium for the reduction carbonylation of Cp 2 TiCl room temperature melt was composed of aluminum chloride and 1-ethylmethylimidazolium chloride (EMIC) with an AlCl 3:EMIC molar ratio greater than one, termed an acidic on of sodium metal to the acidic melt produced an active Cited by: 4.

Electrodeposition of aluminium onto the different substrates was firstly investigated by cyclic voltammetry (CV) measurements performed in AlCl 3 -BMImCl () electrolyte from − V to 2 V at different scan rates (at 50, 20, 10 and 5 mV s −1) in 3-electrode electrochemical by: 9.

Investigations of Complex Formation and Phase Diagrams of Molten Salts Related to the Oxidized Form of Sulphuric Acid Catalysts p Neodymium Chloride and Alkali Chlorides Mixtures: Calorimetric Investigation and ModelingAuthor: G.E. Folkmann, G. Hatem, R. Fehrmann, M. Gaune-Escard, N.J.

Bjerrum. Determination of the stoichiometry of some metal chlorocomplex ions in basic ambient temperature molten salts. Journal of Electroanalytical Chemistry and Interfacial Electrochemistry(2), DOI: /(90)A.

While a molten salt is generally thought to be a high-melting and highly viscous medium, ionic liquids are already liquid at low temperatures (molten salt and an ionic liquid at a melting point of 80 °C can be justified by the abrupt improvement Cited by: 9.

propene by nickel complexes dissolved in acidic chloroaluminate ionic liquid [8]. Osteryoung et al. reported the polymerization of ethylene by Ziegler–Natta catalysts in chloroaluminate molten salt [9]. The hygroscopic nature of AlCl 3 based ionic liquids had delayed the progress in their use in applications of organic Size: 2MB.

texts All Books All Texts latest This Just In Smithsonian Libraries FEDLINK Complexation of Cp2MCl2 in a Chloroaluminate Molten Salt: Relevance to Homogeneous Ziegler-Natta Catalysis Ethylene polymerization via Ziegler-Natta catalysis occurs in the ambient-temperature molten slat AlCl3-MEIC employing Cp2TiCl2 as the catalyst occurs only.

The reductive and oxidative intercalation of ions into graphite from room‐temperature and low temperature molten salts is demonstrated. For this investigation, the molten salts use 1‐ethyl‐3‐methylimidazolium (EMI +) or 1,2‐dimethyl‐3‐propylimidazolium (DMPI +) as the cation and, or as the anion. In a two‐electrode battery configuration, the molten salt electrolyte.

Alkali Metal Reduction Potentials Measured in Chloroaluminate Ambient‐Temperature Molten Salts Jan 1, Journal of The Electrochemical Society # 1 C. Scordilis‐Kelley H-Index: 1Cited by: Ionic liquids are room-temperature molten salts, composed mostly of organic ions that may undergo almost unlimited structural variations.

After its initial developments on tungsten [ 18 ], Al films in macro-scale have been evaluated as a protective layer for structural materials such as carbon steel [ 19 ], lithium alloys [ 20 ] and magnesium Cited by: 1.

investigations of the acid base chemistry of technologically important molten salts and glasses. In Electrochemical Society Extended Abstracts (Vol.pp.

Electrochemical : P. Bennett, Charles Angell. Chloroaluminate Molten Salt Gary E. Gray,* Paul A. Kahl,** and Jack Winnick** Georgia Institute of Technology, School of Chemical Engineering, Atlanta, GeorgiaUSA ABSTRACT Room temperature molten salts consisting of 1-methylethylimidazo]ium Author: C.

Scordilis, J. Fuller, R. Carlin, J. Wilkes, L. Levinsky, R. Wilson, M. Noel, P. Room temperature molten salts composed of the 1-ethylmethylimidazolium cation and a chloroaluminate anion have received much attention for use in a variety of commercial applications such as batteries, photovoltaics, metal deposition, and capacitors.

The room temperature ionic liquid 1-ethylmethylimidazolium tetrafluoroborate (EMIBF{sub 4. An important chloroaluminate ionic liquid, Et 3 NHCl-2AlCl 3, is prepared by combination of Et 3 NHCl with AlCl 3 in a molar proportion.

Due to its good performance as a Lewis acid catalyst and relatively low price, it is widely used in the Friedel-Crafts reactions [ 18 – Cited by: Detailed information for Molten Sa in Memory of Robert Osteryoung ECS Transactions: Volume 3, Issue   Sensible energy storage in anhydrous molten salts/nitrates.

For sensible heat storage at elevated temperatures (T > °C) molten salts are most ages of molten salts are the high thermal stability, relatively low material costs, high heat capacity, high density, non-flammability and low vapor by: Chloroaluminate molten salts such as and related lower melting chloroaluminates based on quaternary ammonium chloride salts such as 1-(1-butyl)pyridinium chloride (BuPyCl) or 1-ethylmethylimidazolium chloride (EtMeImCl) have been shown to be useful solvents for the electrodeposition of these alloys.

ISBN: OCLC Number: Notes: "Proceedings of the NATO Advanced Study Institute on Molten Salt Chemistry, Camerino, Italy, August". Herein we report for the first time, that a simple liquid electrolyte, NaPF 6 (sodium hexafluorophosphate) in glymes (mono- di- and tetraglyme), can enable long-term, highly reversible and nondendritic plating–stripping of Na metal anodes at room temperature.

High average Coulombic efficiencies of % were achieved over plating–stripping cycles at mA cm –2, without the Cited by: Mixed chlorometallate ionic liquids (ILs) have been regarded as potential solvents, catalysts, and reagents for many organic processes.

The acidity and basicity of these ILs were correlated with theoretically estimated parameters such as electrostatic surface potential maxima and minima, average local surface ionization energy, and Fukui and dual descriptor by: 1. Thermodynamic Assessment of the NaCl-DyCl 3 Molten Salt System F.

De Silva 12 pages: $ Investigations of the Electrodeposition of Aluminum-Manganese Alloys from Room Temperature Chloroaluminate Molten Salts H.

C. De Long, J. A. Mitchell, P. C. Trulove 12 pages: $ Alumina coatings from aluminium electrodeposited in molten salts.ary cell operates at ;°C and uses a molten chloroaluminate in-organic salt, NaCl:AlCl3 ~melting point ~m.p.!

°C!, as the elec-trolyte. At this operating temperature, the Zebra cell contains molten sodium ~m.p. 98°C! as the anode and a solid-state separator between the liquid Na and the electrolyte; direct contact results in a chemical.[6] Melton T J, Joyce J, Maloy J T, et al.

Electrochemical studies of sodium chloride as a lewis buffer for room temperature chloroaluminate molten salts[J]. Journal of the Electrochemical Society,(12): [7] Carlin R T, Osteryoung R A.

Aluminum anodization in a basic ambient temperature molten salt[J].