Development of a rotating ring-disc electrode for high temperature studies in cryolite-based melts

Stojanovic, R. S.; Kubacki, J. F.; Dorin, R.; Frazer, E. J.

doi:10.1007/bf00260688

Cited by 5 publications

(5 citation statements)

References 20 publications

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“…Spin coating can be easily done because the motor position and the normal rotation function can be reversed. Figure 2 shows a photograph of typical high temperature Au-Mo RRDE (Stojanovic, Kubacki, Dorin & Frazer, 1995). (g) boron nitride gap insulator, (h) molybdenum rod, (i) outer boron nitride insulating sheath and (j) slotted end-piece.…”

Section: Rotating Disk Electrode Apparatusmentioning

confidence: 99%

“…(g) boron nitride gap insulator, (h) molybdenum rod, (i) outer boron nitride insulating sheath and (j) slotted end-piece. (Stojanovic et al, 1995) www.ccsenet.org/mas…”

Section: Rotating Disk Electrode Apparatusmentioning

confidence: 99%

“…8; Figure 2. A photograph of typical high temperature Au-Mo RRDE (Stojanovic et al, 1995) Sunarso, Torriero, Zhou, Howlett & Forsyth (2012) prepared perovskite oxide electrocatalysts (LaMO 3 and LaNi 0.5 M 0.5 O 3 ) (M = Ni, Co, Fe, Mn and Cr) by a combined ethylenediaminetetraacetic acid-citrate complexation technique and subsequent calcinations at 1000°C in air. The effect of these electrocatalyst properties on the oxygen reduction reaction (ORR) was studied in alkaline potassium hydroxide solution using the rotating ring-disk and electrode rotating disk systems.…”

Section: Rotating Disk Electrode Apparatusmentioning

confidence: 99%

See 2 more Smart Citations

Rotating Disk Apparatus: Types, Developments and Future Applications

Rashed¹,

Abdulbari²,

Salleh³

et al. 2016

MAS

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Power consumption reduction investigations attracted the attention of enormous numbers of researchers in the past few decades due to its high academic and economic impacts. The pumping power losses during the transportation of crude oils are considered as one of the main power consuming applications due to the turbulent mode of transportation. Investigating the possible solutions for this problem is expensive and time consuming due to the large apparatuses needed to simulate the flow in real pipelines. Rotating disk apparatus (RDA) is an instrument mainly comprising a rotating disk and an electrical motor to rotate the disk, which was implemented as an efficient and economical path to simulate what can be done in pipelines through generating a controlled degree of turbulence. This technique was also used in many other scientific applications due to its dynamic mode of operation. For example, a rotating disk electrode was used in electrodeposition processes and to characterize deposition film thickness and uniformity. The rotating disk reactor was employed to investigate the reaction rate between fluids and solid surfaces. The present work evaluates the RDA from different prospective and applications in order to introduce it as an efficient research tools for future dynamic investigations.

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Section: Rotating Disk Electrode Apparatusmentioning

confidence: 99%

“…(g) boron nitride gap insulator, (h) molybdenum rod, (i) outer boron nitride insulating sheath and (j) slotted end-piece. (Stojanovic et al, 1995) www.ccsenet.org/mas…”

Section: Rotating Disk Electrode Apparatusmentioning

confidence: 99%

Section: Rotating Disk Electrode Apparatusmentioning

confidence: 99%

See 1 more Smart Citation

Rotating Disk Apparatus: Types, Developments and Future Applications

Rashed¹,

Abdulbari²,

Salleh³

et al. 2016

MAS

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“…Aluminium dissolution in cryolite-alumina melt has received some attention [114]. A novel ring disc electrode containing a molybdenum disc and a gold ring, which can be operated in cryolite-alumina and other higher temperature melts, has been developed [115]. …”

Section: Aluminiummentioning

confidence: 99%

Electrochemistry of metals and semiconductors in fluoride media

Noel

Suryanarayanan

2005

J Appl Electrochem

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The electrochemical surface transformations and diverse applications of a variety of metals and semiconductors in a wide range of fluoride media such as aqueous, non-aqueous media, liquid HF media, room temperature fluoride melts and molten fluoride media with a melting range covering 50-1000°C are reviewed. Nickel shows excellent corrosion resistance in the absence of water. The anodic performance of this metal in electrochemical perfluorination and NF 3 production is discussed. Compact carbon materials serve as anodes in fluorine generators. In high temperature melts, they perform as consumable anodes. Graphitic carbon undergoes intercalation/ de-intercalation process and related battery applications. Cu/CuF 2 couple is a good reference electrode. Pt and vitreous carbon materials are the inert electrodes of choice for electro analytical applications. Electrodeposition of Lithium as a non-dendritic uniform phase is important in Lithium metal based secondary batteries. High temperature fluoride melts are used in electro-deposition of valve metals such as Nb, Ta, and Ti. The stability and decomposition of fluoride complexes in these media are of interest.

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“…Despite the potential advantages of rotating electrodes during processing, significant challenges have limited experimentation with rotating electrodes in molten salts. Limited studies have been reported on the application of the Rotating Disk (RDE) and Rotating Ring-Disk Electrodes (RRDE) to molten LiCl-KCl [1][2][3] and cryolite-based melts [4]. However, this has required the fabrication of a complex electrode with multiple insulator-electrode interfaces or the positioning of the electrode exactly at the molten salt surface.…”

Section: Introductionmentioning

confidence: 99%

Application of the rotating cylinder electrode in molten LiCl-KCl eutectic containing uranium(III)- and magnesium(II)-chloride

Rappleye

Simpson

2017

Journal of Nuclear Materials

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The application of the rotating cylinder electrode (RCE) to molten LiCl-KCl eutectic mixtures for electroanlytical measurements is presented. This enabled the measurement of the limiting current which was observed to follow a linear trend with the rotational rate raised to 0.64-0.65 power on average, which closely agrees with existing RCE mass-transfer correlations. This is the first publication of electroanalytical RCE measurements in LiCl-KCl eutectic based molten salt mixtures, to our knowledge. These measurements were made in mixtures of molten LiCl-KCl eutectic containing UCl 3 and MgCl 2. Kinetic parameters were calculated for Mg 2+ in LiCl-KCl eutectic. The exchange current density (i o) of Mg 2+ deposition varied with mole fraction (x) according to i o (A cm-2) = 1.64x 0.689. The parameters from RCE measurements were also applied in an electrochemical co-deposition model entitled DREP to detect and predict the deposition rate of U and Mg. DREP succeeded in detecting the co-deposition of U and Mg, even when Mg constituted less than 0.5 wt% of the deposit.

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Development of a rotating ring-disc electrode for high temperature studies in cryolite-based melts

Cited by 5 publications

References 20 publications

Rotating Disk Apparatus: Types, Developments and Future Applications

Rotating Disk Apparatus: Types, Developments and Future Applications

Electrochemistry of metals and semiconductors in fluoride media

Application of the rotating cylinder electrode in molten LiCl-KCl eutectic containing uranium(III)- and magnesium(II)-chloride

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