Electrochemical Performance Analysis of Lead Dioxide Prepared from Intermediate Oxides

Autor:	R. Fitas, A. Zegadi, L. Rahmani, L. Zerroual
Rok vydání:	2019
Předmět:	Diffraction Multidisciplinary Materials science 010102 general mathematics Inorganic chemistry Sulfuric acid Lead dioxide Electrochemistry 01 natural sciences Structural water Cathodic protection chemistry.chemical_compound chemistry Thermal 0101 mathematics Current (fluid)
Zdroj:	Arabian Journal for Science and Engineering. 44:9905-9910
ISSN:	2191-4281 2193-567X
DOI:	10.1007/s13369-019-03950-3
Popis:	Intermediate oxides are synthesized by heating fresh lead dioxide obtained from commercial positive plates of lead-acid batteries. These oxides are soaked in sulfuric acid with 1.28 s g under stirring for 1 h. The obtained powders are analyzed using X-ray diffraction and chemical analysis. The samples are discharged with a cathodic current of 1 mA in sulfuric acid with 1.28 s g, and the capacity is determined. It is found that lead dioxide obtained from PbO1.55 is more active than the fresh sample. It shows an increase in capacity of 17%. This is due to the increase in the quantity of structural water as given by the chemical and thermal analyses.
Databáze:	OpenAIRE
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