Synthesis and characterization of LiFePO4 prepared by sol–gel technique |
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| Affiliation: | 1. IF-USP, CP 66318, 05315-970, São Paulo, Brazil;2. IQ-USP, CP 26077, 05599-970, São Paulo, SP, Brazil;1. School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China;2. National and Local Joint Engineering Laboratory of Motive Power and Key Materials, Xinxiang, Henan 453007, China;3. Xinxiang Battery Research Institute, Collaborative Innovation Center of Henan Province for Motive Power and Key Materials, Xinxiang, Henan 453007, China;1. Mechanical Engineering, Khalifa University of Science and Technology, Masdar Institute, P.O. Box 127788, Abu Dhabi, United Arab Emirates;2. Electron Microscopy Research Center, Korea Basic Science Institute (KBSI), Daejeon 34133, Republic of Korea;1. Department of Chemical Engineering, Ming Chi University of Technology, New Taipei City 243, Taiwan, ROC;2. Department of Mechanical Engineering, Ming Chi University of Technology, New Taipei City 243, Taiwan, ROC;3. Battery Research Center of Green Energy, Ming Chi University of Technology, New Taipei City 243, Taiwan, ROC;1. Key Laboratory of Optical Field Manipulation of Zhejiang Province, Department of Physics, Zhejiang Sci-Tech University, Hangzhou, 310018, PR China;2. Guangzhou Key Laboratory for Surface Chemistry of Energy Materials, New Energy Research Institute, College of Environment and Energy, South China University of Technology, Guangzhou, 510006, PR China;3. Guangdong Engineering and Technology Research Center for Surface Chemistry of Energy Materials, South China University of Technology, Guangzhou, 510006, PR China;1. Institut de Recherche d''Hydro-Québec (IREQ), 1800 Bd Lionel-Boulet, Varennes, QC J3X 1S1 Canada;2. Department of Mining and Materials Engineering, McGill University, Montreal, QC H3A 2B2 Canada;3. Sorbonne Universités, UPMC Univ Paris 06, Institut de Minéralogie, de Physique des Matériaux et de Cosmochimie (IMPMC), 4 place Jussieu, F-75005 Paris, France;4. Sorbonne Universités, UPMC Univ Paris 06, Physicochimie des Electrolytes et Nanosystèmes Interfaciaux (PHENIX), 4 place Jussieu, F-75005 Paris, France |
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| Abstract: | LiFePO4 powder was synthesized by means of a new route, using a two step process. In the first step, an intermediate compound was synthesized by the sol–gel method. This precursor compound to LiFePO4 was characterized by thermal analysis (TG/DTG and DSC), Mössbauer spectroscopy, Transmission Electronic Microscopy (TEM) and Small Angle Scattering (SAXS). In the second step, the precursor was sintered and analyzed by X-ray diffraction (XRD), showing the formation of the proposed single phase material. |
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