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Synthesis And Structural, Morphological And Electrochemical Characterization Of Nanostructured Mixed Oxides Of Nickel And Cobalt Ni0.5co2.5o4 Powder Prepared By Co-precipitaion Of Hydroxides Technique

Nanosstructured Nickel cobalt oxide Ni0.5Co2.5O4 powders were prepared by co-precipitation of hydroxides technique from mixed stoichiometric amounts ofhexahydrated nickel nitrate Ni(NOO3)2.6H2O and of hexahydrated cobalt nitrate Co(NO3)2.6H2O (Aldrich) as sources of nickel and cobalt, respectively. X-ray diffraction (XRD) patterns showed thhat the oxides crystallize in a cubic spinel phase. Inductively coupled plasma-optical emission specctrometry (ICP-OES) confirms the stoichiometric proportions of metals in the cobaltites of nickel. The scanning electron microscopy (SEM) images reveal a porous structure. Cyclic and steady state voltammetries (CV and CSV) indicated high electrochemical properties


Auteur(s) : Makhtar Guène, Mamadou Guèye and Papa Charles Harris Mandiamy
Pages : 58069-58074
Année de publication : 2017
Revue : : International Journal of Current Research
N° de volume : 09
Type : Article
Mise en ligne par : GUENE Makhtar