Preparation of nanostructured NiFe2O4 catalysts by combustion reaction
Source abstract
Abstract
Nanosize nickel ferrite powders (NiFe2O4) have been prepared by combustion reaction using nitrates and urea as fuel. The resulting powders were characterized by X-ray diffraction (XRD), nitrogen physical adsorption (BET), scanning electron microscopy (SEM), transmission electron microscopy (TEM) and catalytic activity. The results showed nanosize nickel ferrite powders with high specific surface area (55.21 m2/g). The powders showed extensive XRD line broadening and the crystallite size calculated from the XRD line broadening was 18.0 nm. The nickel ferrite powder presented significant activity as catalyst for the water gas shift reaction, over the temperature range of 250–450 °C.
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Research context
OpenAlex topics: Magnetic Properties and Synthesis of Ferrites · Advancements in Battery Materials · Electromagnetic wave absorption materials
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