In this chapter, the fundamental aspects of disperse metals electrodeposition are discussed. The shapes of polarization curves in relation to the deposition process parameters are analyzed.Disperse metal deposits are formed with a nonuniform current density distribution over the surface of the macroelectrode. Adherent granular disperse deposits are produced in an electrodeposition process characterized by a large exchange current density, due to the formation of nucleation exclusion zones around growing grains on the inert substrate. Nonadherent dendritic or spongy deposits are formed in the dominant diffusion control on the level of the macroelectrodeand an activation control on the tips of microelectrodes placed inside the diffusion layer of the macroelectrode. Nonadherent honeycomblike deposit is formed in the presence of strong hydrogen codeposition. All the above cases are discussed in detail and explained using appropriate mathematical models. It is also shown that the formation ...of dendritic deposits at low level of coarseness strongly increases the apparent exchange current density for the depositionprocess, producing electrocatalytic effect.
This is the author's version of the accepted, peer-reviewed manuscript: Popov K.I., Nikolić N.D. (2012) General Theory of Disperse Metal Electrodeposits Formation. In: Djokić S. (eds) Electrochemical Production of Metal Powders. Modern Aspects of Electrochemistry, vol 54. Springer, Boston, MA. https://doi.org/10.1007/978-1-4614-2380-5_1
TY - CHAP
AU - Popov, Konstantin I.
AU - Nikolić, Nebojša D.
PY - 2012
UR - https://cer.ihtm.bg.ac.rs/handle/123456789/4103
AB - In this chapter, the fundamental aspects of disperse metals electrodeposition are discussed. The shapes of polarization curves in relation to the deposition process parameters are analyzed.Disperse metal deposits are formed with a nonuniform current density distribution over the surface of the macroelectrode. Adherent granular disperse deposits are produced in an electrodeposition process characterized by a large exchange current density, due to the formation of nucleation exclusion zones around growing grains on the inert substrate. Nonadherent dendritic or spongy deposits are formed in the dominant diffusion control on the level of the macroelectrodeand an activation control on the tips of microelectrodes placed inside the diffusion layer of the macroelectrode. Nonadherent honeycomblike deposit is formed in the presence of strong hydrogen codeposition. All the above cases are discussed in detail and explained using appropriate mathematical models. It is also shown that the formation of dendritic deposits at low level of coarseness strongly increases the apparent exchange current density for the depositionprocess, producing electrocatalytic effect.
PB - Springer
T2 - Electrochemical Production of Metal Powders, Series: Modern Aspects of Electrochemistry
T1 - General Theory of Disperse Metal Electrodeposits Formation
VL - 54
SP - 1
EP - 62
DO - 10.1007/978-1-4614-2380-5_1
ER -
@inbook{
author = "Popov, Konstantin I. and Nikolić, Nebojša D.",
year = "2012",
abstract = "In this chapter, the fundamental aspects of disperse metals electrodeposition are discussed. The shapes of polarization curves in relation to the deposition process parameters are analyzed.Disperse metal deposits are formed with a nonuniform current density distribution over the surface of the macroelectrode. Adherent granular disperse deposits are produced in an electrodeposition process characterized by a large exchange current density, due to the formation of nucleation exclusion zones around growing grains on the inert substrate. Nonadherent dendritic or spongy deposits are formed in the dominant diffusion control on the level of the macroelectrodeand an activation control on the tips of microelectrodes placed inside the diffusion layer of the macroelectrode. Nonadherent honeycomblike deposit is formed in the presence of strong hydrogen codeposition. All the above cases are discussed in detail and explained using appropriate mathematical models. It is also shown that the formation of dendritic deposits at low level of coarseness strongly increases the apparent exchange current density for the depositionprocess, producing electrocatalytic effect.",
publisher = "Springer",
journal = "Electrochemical Production of Metal Powders, Series: Modern Aspects of Electrochemistry",
booktitle = "General Theory of Disperse Metal Electrodeposits Formation",
volume = "54",
pages = "1-62",
doi = "10.1007/978-1-4614-2380-5_1"
}
Popov, K. I.,& Nikolić, N. D.. (2012). General Theory of Disperse Metal Electrodeposits Formation. in Electrochemical Production of Metal Powders, Series: Modern Aspects of Electrochemistry
Springer., 54, 1-62.
https://doi.org/10.1007/978-1-4614-2380-5_1
Popov KI, Nikolić ND. General Theory of Disperse Metal Electrodeposits Formation. in Electrochemical Production of Metal Powders, Series: Modern Aspects of Electrochemistry. 2012;54:1-62.
doi:10.1007/978-1-4614-2380-5_1 .
Popov, Konstantin I., Nikolić, Nebojša D., "General Theory of Disperse Metal Electrodeposits Formation" in Electrochemical Production of Metal Powders, Series: Modern Aspects of Electrochemistry, 54 (2012):1-62,
https://doi.org/10.1007/978-1-4614-2380-5_1 . .
