Abstract
The structural and electrochemical features of LixMn2O4 spinel synthesized by the microwave-assisted method are discussed. The thermal gravimetric analysis shows that almost 84% of all the initial reactants undergo chemical transformation associated with the weight loss in the course of the microwave-assisted synthesis. The composition of the initial components influences the heating rate negligibly, and the temperature reaches 400°C within around 15 minutes. The X-ray phase analysis shows that the LixMn2O4 samples contain impurities such as MnO2 and Mn2O3, the amount of which decreases with the increase in the lithium content. The electrochemical characteristics of the LixMn2O4 are strongly influenced by the composition of the starting components, which is particularly noticeable upon high discharge rates.
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