Copper dissolution phenomena along a vertical plane anode in CuSO4 solution

Konishi, Y.; Tanaka, Yoshinori; Kondo, Yasuyuki; Fukunaka, Yasuhiro

doi:10.1016/s0013-4686(00)00645-9

Cited by 26 publications

(34 citation statements)

References 20 publications

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“…We have performed laser interferometry experiments similar to those reported by Konishi et al [19]: preliminary results confirm the above observations. Interferometry experiments are still in progress and will be presented in a forthcoming publication.…”

Section: High Current Density Regimesupporting

confidence: 86%

“…In order to avoid buoyancy driven convection in the electrolyte [14][15][16][17][18] we used a method reported by many authors [14][15][16][17]19]: the pseudo two dimensional cell was held in a vertical position, with cathode on top. In this case, the electrolyte concentration, hence its density, decreased from bottom to top of the cell, and no gravity-induced fluid flow was expected to occur.…”

Section: Experiments 31 Experimental Conditionsmentioning

confidence: 99%

See 1 more Smart Citation

Morphology transition in dendritic electrodeposition

Chassaing

González

Nishikawa

et al. 2010

Trans. Mat. Res. Soc. Japan

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Section: High Current Density Regimesupporting

confidence: 86%

Section: Experiments 31 Experimental Conditionsmentioning

confidence: 99%

Morphology transition in dendritic electrodeposition

Chassaing

González

Nishikawa

et al. 2010

Trans. Mat. Res. Soc. Japan

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“…Laser interferometry is a well known technique for measuring the concentration changes in electrochemical processes [20][21][22][23][24]. This study use the interferometer described in Ref.…”

Section: Cnes Parabolic Flightmentioning

confidence: 99%

Electrodeposition of metals in microgravity conditions

Nishikawa

Fukunaka

Chassaing³

et al. 2013

Electrochimica Acta

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Abstract. Metal electrodeposition may introduce various morphological variations depending on the electrolytic conditions including cell configurations. For liquid electrolytes, a precise study of these deposits may be complicated by convective motion due to buoyancy. Zero-gravity (0-G) condition provided by drop shaft or parabolic flight gives a straightforward mean to avoid this effect: we present here 0-G electrodeposition experiments, which we compare to ground experiments (1-G). Two electrochemical systems were studied by laser interferometry, allowing to measure the concentration variations in the electrolyte: copper deposition from copper sulfate aqueous solution and lithium deposition from an ionic liquid containing LiTFSI. For copper, concentration variations were in good agreement with theory. For lithium, an apparent induction time was observed for the concentration evolution at 1-G: due to this induction time and to the low diffusion coefficient in ionic liquid, the concentration variations were hardly measurable in the parabolic flight 0-G periods of 20 seconds.

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“…Konishi et al used holographic interferometry and tracer technique to measure copper concentration profile and velocity profile. 9 Fluid recirculation between the plates (anode and cathode) caused by electrolyte density gradients was found to be significant. 10 Upward flow is typically along the cathode surface and downward flow accompanies the anode surface.…”

mentioning

confidence: 94%

Experimental and Simulation Studies of Electrolyte Flow and Slime Particle Transport in a Pilot Scale Copper Electrorefining Cell

Zeng

Wang

Free

2016

J. Electrochem. Soc.

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Copper electrorefining tests were conducted in a pilot scale cell made of transparent cell walls, allowing direct observation and microscopic video recording of the electrolyte flow. Fluid flow velocities in the gaps between adjacent anodes and cathodes were measured by analyzing the recorded video using a video analysis and modeling software. Modeling and simulation of copper electrorefining in this cell were performed using COMSOL Multiphysics, a finite element method simulation software. The flow velocity field results from modeling agree reasonably well with the measured electrolyte velocities. The transport of slime particle in electrolyte flow was also simulated and the appearance frequencies of slime particles in the domain within 200 microns from cathode surface at different positions of cathodes were compared with impurity levels in the copper cathodes harvested from experimental tests. The results show good correlation especially with the total concentration of major impurities. Thus the cathodic contamination can be predicted by the slime particle appearance frequency in front of the cathode.

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Copper dissolution phenomena along a vertical plane anode in CuSO4 solution

Cited by 26 publications

References 20 publications

Morphology transition in dendritic electrodeposition

Morphology transition in dendritic electrodeposition

Electrodeposition of metals in microgravity conditions

Experimental and Simulation Studies of Electrolyte Flow and Slime Particle Transport in a Pilot Scale Copper Electrorefining Cell

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