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EIS-in Situ Characterization of Anodic Films on Antimony and Lead-Antimony Alloys (CROSBI ID 117740)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Metikoš-Huković, Mirjana ; Babić, Ranko ; Brinić, Slobodan EIS-in Situ Characterization of Anodic Films on Antimony and Lead-Antimony Alloys // Journal of power sources, 157 (2006), 563-570-x

Podaci o odgovornosti

Metikoš-Huković, Mirjana ; Babić, Ranko ; Brinić, Slobodan

engleski

EIS-in Situ Characterization of Anodic Films on Antimony and Lead-Antimony Alloys

The behavior of antimony as a function of the concentration of both H_2SO_4 and HSO_4^-ions, and the electrode rotation rate was studied by cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS). The rate of antimony dissolution is accelerated with the addition of HSO_4^- ions and with the increasing electrode rotation rate. Impedance measurements of antimony in the region of film formation, and lead and lead-antimony alloys in the region of PbO formation showed that the dissolution rate is controlled by the diffusion through the oxide layer. The diffusion coefficients (D) for protons in the case of antimony dissolution, and for oxygen ions in the case of lead and alloys, were estimated. Electric and dielectric properties of the anodic surface layer of the lead-antimony alloys are significantly influenced by the antimony content.

Antimony; Lead-antimony alloys; Lead-acid batteries; Electrochemical impedance spectroscopy.

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Podaci o izdanju

157

2006.

563-570-x

objavljeno

0378-7753

Povezanost rada

Kemija, Kemijsko inženjerstvo

Indeksiranost