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Issue 7, 2014
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Preparation, structure and electrochemistry of LiFeBO3: a cathode material for Li-ion batteries

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Abstract

LiMBO3 (M = Fe, Co, Mn) has been identified as an interesting new cathode material for Li-ion batteries. It was shown to be difficult to synthesize the material as a pure phase and in a highly electrochemically active form. Here we report several methods for the successful preparation of LiFeBO3, including traditional ceramic and self-combustion reactions. By decreasing the particle size and introducing in situ carbon coating, conventionally ceramic-synthesized LiFeBO3/C yields a first discharge of 210 mA h g−1 within the 1.5–4.5 V voltage window at a C/20 rate, 55 °C. Using high-resolution synchrotron X-ray diffraction, neutron powder diffraction and single crystal X-ray diffraction in combination with 6Li NMR and 57Fe Mössbauer spectroscopies, we present a “1Fe 2Li” complex cation distribution model for LiFeBO3 powder.

Graphical abstract: Preparation, structure and electrochemistry of LiFeBO3: a cathode material for Li-ion batteries

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The article was received on 01 Aug 2013, accepted on 13 Nov 2013 and first published on 15 Nov 2013


Article type: Paper
DOI: 10.1039/C3TA13021E
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Citation: J. Mater. Chem. A, 2014,2, 2060-2070
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    Preparation, structure and electrochemistry of LiFeBO3: a cathode material for Li-ion batteries

    L. Tao, G. Rousse, J. N. Chotard, L. Dupont, S. Bruyère, D. Hanžel, G. Mali, R. Dominko, S. Levasseur and C. Masquelier, J. Mater. Chem. A, 2014, 2, 2060
    DOI: 10.1039/C3TA13021E

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