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Abstract

Electrochemical and atomic force microscopy study of natural phosphate modified steel

Author(s): N.Kouider, J.Bengourram,M.Mabrouki,A.Chtaini*

This article describes the preparation and characterization of some anodes, destined to direct ethanol and methanol fuel cells. These electrodes were prepared by electrodeposition of natural phosphate (NP) and/or kaolin into a perforated stainless steel plates. Ac impedance spectroscopy, cyclic voltammetry and other electrochemical methods were investigated alongside characterization to determine the influence of the presence of NP and kaolin on the anodic surface corrosion resistance. AFM was used to image the surface topography and morphology of modified electrodes.


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