2011
DOI: 10.1007/s11661-011-0908-4
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Corrosion Study of Zinc, Nickel, and Zinc-Nickel Alloys in Alkaline Solutions by Tafel Plot and Impedance Techniques

Abstract: The article describes the use of Tafel plot and electrochemical impedance spectroscopy (EIS) techniques, in order to study the corrosion process of pure zinc, nickel, and synthetic Zn-Ni alloys in various concentrations (0.25 to 1 M) of KOH solution in a temperature range 298 K to 328 K (25°C to 55°C). The corrosion rate increases with increasing both concentration of KOH and temperature for all investigated electrodes. The results showed that the increase in Ni content improves the corrosion resistance and … Show more

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Cited by 71 publications
(43 citation statements)
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“…The superior corrosion resistance observed for the investigated alloys compared with that of Pb could be explained by the barrier protection mechanism theory which acts as a barrier to further attack. [37] It is worth noting that the same trend is observed in the case of both pure Pb and its alloys as manifested in the same order obtained from Tafel polarization measurements. Parameters…”
Section: Electrochemical Impedance Spectroscopy Measurements (Eis)supporting
confidence: 78%
See 1 more Smart Citation
“…The superior corrosion resistance observed for the investigated alloys compared with that of Pb could be explained by the barrier protection mechanism theory which acts as a barrier to further attack. [37] It is worth noting that the same trend is observed in the case of both pure Pb and its alloys as manifested in the same order obtained from Tafel polarization measurements. Parameters…”
Section: Electrochemical Impedance Spectroscopy Measurements (Eis)supporting
confidence: 78%
“…XRD data allow us to determine the crystallite size (D) using the well-known Scherrer's equation [36,37] …”
Section: A Xrd Techniquementioning
confidence: 99%
“…Special attention has been devoted to the more environmentally acceptable Zn-Ni alloy system. The comparative corrosion of Zn and Zn-Ni alloys in different conditions (temperature and concentration of the KOH electrolyte) has been studied in [58] by potentiodynamic and impedance methods. By plotting the corrosion current vs. Fig.…”
Section: Anode Materialsmentioning
confidence: 99%
“…Alloys of zinc and aluminum were reported to have a positive effect on decreasing self‐discharge of the batteries (). Zinc‐nickel alloy system has also been studied .…”
Section: Introductionmentioning
confidence: 99%