Electrodeposition of Coherent Deposits of Refractory Metals

Senderoff, S.; Mellors, G. W.

doi:10.1149/1.2426648

Cited by 67 publications

(28 citation statements)

References 9 publications

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“…III) species diffusion coefficients in LiCl-KCl-CsCl melt obtained here are in good agreement with reported in the literature for LiCl-KCl eutectic, 8±0.5·10 -6 cm 2 /sec at 773 K (16) and 1.43·10 -5 cm 2 /sec at 873 K(22).…”

supporting

confidence: 91%

Electrochemical Properties of Molybdenum in Alkali Chloride Melts

et al. 2014

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Behavior of molybdenum was studied in individual fused alkali chlorides and their mixtures employing electrochemical and spectroscopic techniques. Formal standard electrode potentials of molybdenum and thermodynamics of molybdenum chloride were obtained in molten LiCl, NaCl, KCl, RbCl, CsCl at 1123 K, NaCl-CsCl eutectic at 793-1023 K, NaCl-KCl equimolar mixture at 973-1123 K, LiCl-KCl-CsCl eutectic at 633-1173 K. Diffusion coefficients of molybdenum ions were determined in LiCl-KCl-CsCl eutectic melt. Electronic absorption spectra of Mo(III) ions were measured in individual salts and their mixtures and spectroscopic parameters of MoCl6 3- complex ions determined.

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confidence: 91%

Electrochemical Properties of Molybdenum in Alkali Chloride Melts

et al. 2014

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“…Similar behavior was observed by Senderoff and Mellors, who attributed it to disproportionation to Mo 5. and molybdenum metal (59). Difficulties were encountered because of the instability of Mo 3 § ion in the melt; the concentration was continuously decreasing, and a black precipitate appeared in the melt.…”

Section: Iron In Lici-mentioning

confidence: 99%

Metal Deposition‐Dissolution in Molten Halides: On the Question of Measurability of Very Fast Electrode Reaction Rates

Settle

Nagy

1985

J. Electrochem. Soc.

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Metal deposition-dissolution reactions in molten salts are very fast and difficult to investigate, as evidenced by large discrepancies in the reported exchange current densities. An error analysis of the dc relaxation techniques was carried out, and it was determined that the measurement of the exchange current density can have a systematic error if the surface reaction rate is much faster than the diffusion rate. This systematic error will result in measured exchange current densities approximately equal to the largest exchange current density measurable under the given conditions. This systematic error can also result in fortuitously linear log io vs. log C and log io vs. lIT plots, even when the results are grossly ) unless CC License in place (see abstract). ecsdl.org/site/terms_use address. Redistribution subject to ECS terms of use (see 169.233.239.86 Downloaded on 2015-03-14 to IP ) unless CC License in place (see abstract). ecsdl.org/site/terms_use address. Redistribution subject to ECS terms of use (see 169.233.239.86 Downloaded on 2015-03-14 to IP Vol. 132, No. 7 ) unless CC License in place (see abstract). ecsdl.org/site/terms_use address. Redistribution subject to ECS terms of use (see 169.233.239.86ABSTRACT A traveling, dual-beam laser interferometer has been used to investigate mass-transfer boundary layers on planar electrodes in turbulent channel flow. The effect of secondary flows induced near the electrode/electrolyte interface by small flow obstacles in laminar bulk flow is compared to the effect of turbulent bulk flow produced by high electrolyte flow rates in an obstacle-free flow channel. It is shown that mass-transfer enhancement can be attained more efficiently by the use of small flow obstacles than by the use of high flow velocities.

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“…Chloride melts containing Mo (III) are unstable and the concentration of the MoCl 6 3-species present gradually decreases over time (23,24). This drop in Mo(III) concentration is generally explained by the disproportionation of dissolved molybdenum(III) chloride to molybdenum metal and volatile molybdenum(V) chloride: 5 MoCl 6 3-→ 2 Mo + 3 MoCl 5 + 15 Cl - [1] Senderoff and Mellors also suggested that in highly concentrated melts molybdenum dimeric species can be formed (23):…”

Section: Introductionmentioning

confidence: 99%

Behavior of Molybdenum Chloro-Species in Alkali Chloride-Based Melts: Implications for Spent Nuclear Fuel Treatments

Volkovich¹,

Polovov²,

Камалов³

et al. 2010

ECS Trans.

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Chloro-species of molybdenum in oxidation states (III), (IV) and (V) were studied in a range of alkali chloride melts employing high temperature electronic absorption spectroscopy. The reaction rates of disproportionation of MoCl63- complex ions in various melts between 550 and 750 oC were determined. Mo(IV) species MoCl62- were generated and thermodynamic properties of Mo(IV) chloride in NaCl-CsCl eutectic melt estimated. Absorption spectra of molybdenum(V) MoCl6- were measured in a chloride melt for the first time. Speciation and behavior of molybdenum is required for designing processes for molten salt reprocessing of spent nuclear fuel (SNF).

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Electrodeposition of Coherent Deposits of Refractory Metals

Cited by 67 publications

References 9 publications

Electrochemical Properties of Molybdenum in Alkali Chloride Melts

Electrochemical Properties of Molybdenum in Alkali Chloride Melts

Metal Deposition‐Dissolution in Molten Halides: On the Question of Measurability of Very Fast Electrode Reaction Rates

Behavior of Molybdenum Chloro-Species in Alkali Chloride-Based Melts: Implications for Spent Nuclear Fuel Treatments

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