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Abstract
AbstractIn the present work, the cobalt electrodeposition onto polycrystalline gold electrodes from aqueous solutions containing 0.01M CoSO4 + 1 M (NH4)2SO4 at pH=7 was analyzed. Linear voltammetry results suggested a change in the kinetic of the cobalt electrodeposition. In all cases, the nucleation rate (A), the number of active nucleation sites (N 0) and the saturation number of nuclei (N s ) values were potential dependent. The calculated Gibbs free energy (ΔG) for this system was 1.88×10−20 J nuclei−1 and the transfer coefficient for the Hydrogen Electroreduction Reaction (HER) was 0.47.
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König J, Mühlenhoff S, Eckert K, Büttner L, Odenbach S, Czarske J. Velocity measurements inside the concentration boundary layer during copper-magneto-electrolysis using a novel laser Doppler profile sensor. Electrochim Acta 2011. [DOI: 10.1016/j.electacta.2011.04.034] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Yang X, Eckert K, Mühlenhoff S, Odenbach S. On the decay of the Lorentz-force-driven convection in vertical concentration stratification during magnetoelectrolysis. Electrochim Acta 2009. [DOI: 10.1016/j.electacta.2009.07.018] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Yang X, Eckert K, Seidel K, Uhlemann M. The start-up of natural convection during copper electrolysis in the presence of an opposing Lorentz force. Electrochim Acta 2008. [DOI: 10.1016/j.electacta.2008.07.074] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Krause A, Koza J, Ispas A, Uhlemann M, Gebert A, Bund A. Magnetic field induced micro-convective phenomena inside the diffusion layer during the electrodeposition of Co, Ni and Cu. Electrochim Acta 2007. [DOI: 10.1016/j.electacta.2007.04.054] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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