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B. Shao, Yasuyuki Abe, I. Taniguchi (2013)
Synthesis and electrochemical characterization of Li2FexMn1 − xSiO4/C (0 ≦ x ≦ 0.8) nanocomposite cathode for lithium-ion batteriesPowder Technology, 235
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Effent of Al doping on structure and electrochemical performance of Li2FeSiO4
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Effects of Cr doping on the electrochemical properties of Li2FeSiO4 cathode material for lithium-ion batteriesElectrochimica Acta, 55
K. Gao, Juan Zhang, Shudan Li (2013)
Morphology and electrical properties of Li2FeSiO4/C prepared by a vacuum solid-state reactionMaterials Chemistry and Physics, 139
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Synthesis and characterization of Li2Fe0.97M0.03SiO4 (M = Zn2+, Cu2+, Ni2+) cathode materials for lithium ion batteriesJournal of Power Sources, 196
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Optimum synthesis of Li 2 Fe 1 - xMnxSiO 4 / C cathode for lithium ion batteries
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Research on modification of cathodematerial Li2FeSiO4/C for lithium-ion battery
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Combustion synthesis and electrochemical performance of Li2FeSiO4/C cathode material for lithium-ion batteriesJournal of Power Sources, 205
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Synthesis and electrochemical performance of Li2FeSiO4/C/carbon nanosphere composite cathode materials for lithium ion batteriesJournal of Alloys and Compounds, 572
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Synthesis and characterization of Li 2 Fe 0 . 97 M 0 . 03 SiO 4 ( M = Zn 2 + , Cu 2 + , Ni 2 + ) cathode materials for lithium ion batteries
R. Dominko (2008)
Li2MSiO4 (M = Fe and/or Mn) cathode materialsJournal of Power Sources, 184
K. Gao, Changsong Dai, Jing Lv, Xiang-Ming Feng (2014)
Effects of carbon contents on morphology and electrical properties of Li2MnSiO4/C prepared by a vacuum solid-state methodRussian Journal of Electrochemistry, 50
S. Behrens, H. Bönnemann, H. Modrow, V. Kempter, W. Riehemann, A. Wiedenmann, S. Odenbach, S. Will, L. Thrams, R. Hergt, R. Müller, K. Landfester, A. Schmidt, D. Schüler, R. Hempelmann (2009)
Synthesis and Characterization
(2011)
Synthesis and characterization of Li2Fe0.97M0.03SiO4 (M = Zn , Cu, Ni) cathode materials for lithium ion batteries
Sen Zhang, C. Deng, Saiyu Yang (2009)
Preparation of Nano- Li2FeSiO4 as Cathode Material for Lithium-Ion BatteriesElectrochemical and Solid State Letters, 12
Anton Nytén, A. Abouimrane, M. Armand, T. Gustafsson, J. Thomas (2005)
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H. Hao, Junbo Wang, Jiali Liu, Tao Huang, A. Yu (2012)
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T. Muraliganth, K. Stroukoff, A. Manthiram (2010)
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Lang Jian (2011)
Effect of Al~(3+) Doping on Structure and Electrochemical Performance of Li_2 FeSiO_4
Li2Fe1−x Mn x SiO4/C (x = 0, 0.1, 0.2, 0.3, 0.4, 0.5) are prepared by a vacuum solid-state reaction of SiO2, CH3COOLi·2H2O, FeC2O4·2H2O, and Mn(CH3COO)2·4H2O. The crystalline structures, morphologies, and electrochemical performances are analyzed contrastively by X-ray diffraction (XRD), scanning electron microscopy, galvanostatic charging–discharging, and electrochemical impedance spectroscopy (EIS). The XRD and EIS results prove that Mn doping may be beneficial to the battery performances of Li2FeSiO4 materials, by reducing the crystallite sizes, decreasing transfer impedance (R ct), and increasing Li-ion diffusion coefficient (D Li+). However, the galvanostatic charge–discharge results indicate that only Li2Fe0.8Mn0.2SiO4/C shows the improved performance; its initial discharge capacity can reach to 190.7 mAh g−1. All things considered, the increased impurities after Mn doping, decided by reference intensity ratio (RIR) method, seem to impose more negative effects on the Li2Fe1−x Mn x SiO4/C performances. Under this premises, the Mn-doped content is particularly important for Li2FeSiO4 materials prepared by the vacuum solid-state method.
Ionics – Springer Journals
Published: Dec 11, 2013
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