Abstract
High-potential, eco-friendly LiFePO4 cathode materials were synthesized by polyol, hydrothermal, and solid-state reaction methods. The polyol technique was carried out without any special atmosphere and postheat treatment. The synthesized samples were characterized by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), scanning electron microscope (SEM) with energy dispersive X-ray spectroscopy (EDX), X-ray photoelectron spectrometry (XPS), and charge-discharge and cyclic voltammetry tests. The LiFePO4 prepared via polyol technique exhibits good electrochemical performance than other method samples do.
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Acknowledgments
The authors M. Sivakumar and R. Muruganantham gratefully acknowledge the financial support, to carry out this work, from the Department of Science and Technology (DST), New Delhi, Govt. of India under DST-SERC major research project whose contract number is SR/S2/CMP-0049/2008 and University Grants Commission (UGC), New Delhi of India under Physical sciences major research project whose contract number is (F.No.41-839/2012 (SR).
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Highlights
• LiFePO4 was prepared via DEG-assisted polyol technique and other methods.
• The polyol technique-used sample exhibits better performances than other sample.
• It reached specific discharge capacity of 140 mAh/g at 1 C rate.
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Muruganantham, R., Sivakumar, M. & Subadevi, R. Synthesis and electrochemical characterization of olivine-type lithium iron phosphate cathode materials via different techniques. Ionics 22, 1557–1565 (2016). https://doi.org/10.1007/s11581-016-1676-3
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DOI: https://doi.org/10.1007/s11581-016-1676-3