The Effect of Morphology of Activated Electrodes on Their Electrochemical Activity

Popov, Konstantin; Živković, Predrag; Nikolić, Nebojša D.

doi:10.1007/978-1-4419-5589-0_4

Cited by 13 publications

(25 citation statements)

References 65 publications

(149 reference statements)

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“…where j, j 0 and j L are the current density, exchange current density and limiting diffusion current density, respectively, and [2,10,17].…”

Section: Macroelectrodes and Microelectrodesmentioning

confidence: 99%

“…1. The electrode surface irregularities are buried deep in the diffusion layer, which is characterized by a steady linear diffusion to the flat portion of the surface [7,10,19]. * The reversible potential of a surface with radius of curvature rcur would depart from that of a planar surface by the quantityEr = 2V / (nFrcur), where  is the interfacial energy between metal and solution, and V molar volume of metal [18].…”

Section: Active Microelectrodes Placed Inside the Diffusion Layer Of mentioning

confidence: 99%

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Electrochemical aspects of formation of dendrites

Popov¹,

Živković²,

Nikolić³

2016

Zas Mat

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The one of the main contributions of Belgrade Electrochemical School to the field of metal electrodeposition is investigation of a mechanism of formation and growth of the disperse deposits. Spongy-like, cauliflower-like, needle-like, carrot-like, dendrites of various shapes, etc In these publications all aspects of morphology of electrodeposited metal are discussed, from dendritic growth initiation and dendritic growth [2,3,11] to the bright deposits formation [2,3,8] and the effect of hydrogen co-deposition on morphology of electrodeposits [3,9,14]. One of the most important conclusion derived by BES is the mechanism of disperse deposits formation, based on different behaviour of the macroelectrodes and microelectrodes under the same conditions of electrodeposition. The aim of this article is to discuss this phenomenon in the way given in [11] for the growth of dendrites.

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“…where j, j 0 and j L are the current density, exchange current density and limiting diffusion current density, respectively, and [2,10,17].…”

Section: Macroelectrodes and Microelectrodesmentioning

confidence: 99%

Section: Active Microelectrodes Placed Inside the Diffusion Layer Of mentioning

confidence: 99%

Electrochemical aspects of formation of dendrites

Popov¹,

Živković²,

Nikolić³

2016

Zas Mat

View full text Add to dashboard Cite

show abstract

“…Hence, the polarization curves which include ohmic potential drop can be simulated by using Eqs. (1.36) and (1.38) [9]. The shapes of the polarization curves depend strongly on the i 0 /i L ratios.…”

Section: The Structure Of Polarization Curvesmentioning

confidence: 94%

“…When Eq. (1.13) can be rewritten in the form: Using the current density-overpotential relationships and the procedure for the determination of the ohmic potential drop, the polarization curves for electrodeposition processes can be successfully simulated [9,20]. The current density-overpotential curve equation (Eq.…”

Section: Concentration Dependence Of the Exchange Current Density Is mentioning

confidence: 99%

“…However, formation of individual grains or granules at low overpotentials was not possible to explain by this assumption. Recently, it was discussed [9] the linear dependence of current density on the overpotential for the fast electrochemical processes, and it was shown that this linear dependence can be ascribed to the ohmic control of the electrodeposition process [10][11][12][13].…”

Section: Introductionmentioning

confidence: 99%

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