Synthesis and characterization of Ti-doped MgMn2O4 cathode material for magnesium ion batteries
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Magnesium batteries demonstrate potential candidate for next-generation energy storage devices because of their high energy density and low raw-materials costs. In comparison with lithium, magnesium is inherently much safer due to its air stable and environmental friendly. In the present work, magnesium manganese oxide (MgMn2O4) with Ti-doped was synthesized by a self-propagating combustion method using citric acid as a reducing agent. The precursors of MgMn2O4 and MgMn(2-x)TixO4, (x = 0.1) were annealed at 700 °C for 24 h. The prepared samples were further characterized by using Simultaneous Thermal Analysis (STA), X-ray diffraction (XRD), and Field Emission Scanning Electron Microscopy (FESEM). Then, the optimized sample was used as cathode in magnesium ion battery using polymer-based electrolyte. The charge-discharge profile of the fabricated battery was discussed.
KeywordsMgMn2O4 Ti-doped Cathode material Mg-ion battery FESEM
NH Zainol would like to thank MOHE for MyPhD scholarship, University of Malaya for PPP grant PG038-2015A, and also Institute of Science, UiTM Shah Alam for the facilities given. Z Osman would like to thank MOSTI for FP044-2017A grant.
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