One-step green synthesis of ZnFe2O4 anodes for Li-ion batteries

Abstract

The Zinc Ferrite (ZnFe2O4) spinel nanoparticles have been successfully prepared by green sol–gel synthesis mode employing Actinidia deliciosa fruit extract as reducing agent. The target application of the prepared material is anode part in Li ion batteries. The prepared ZnFe2O4 nanoparticles are subjected to different analyses and the results are promising for this material to serve as anode in Li ion batteries. The structural analysis by means of X-ray diffraction technique reveals pure cubic structure of this material with a crystallite size of 28 nm. The morphological pattern recorded by means of electron microscopes reveal cube shaped grains with mixed dimensions, within 50 nm. The Raman analysis clarifies the high crystalline nature of the prepared sample with sharp peaks. Existence of carbon residues as a result of green reducing agents inside the ZnFe2O4 matrix are ensured by CC peaks in FTIR spectra. The same has been verified by means of EDX analysis as well. The electrochemical activities and electrical conductivity values of the material seems to be positive towards the anodic application of ZnFe2O4 in Li ion batteries.