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Synthesis of Nanostructured Li4Ti5O12 Powder by the Glycine–Nitrate Process and a Modified Glycine–Nitrate Process

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Inorganic Materials Aims and scope

Abstract—

We have studied the influence of the glycine : nitrate (G/N) ratio and heat treatment temperature on characteristics of nanocrystalline Li4Ti5O12 powders synthesized from titanium tetrabutylate and lithium carbonate via combustion of an aqueous–organic precursor, followed by heat treatment. At the optimum reactant ratio G/N = 0.7, the content of the Li4Ti5O12 phase after heat treatment of the powders for 2 h at 700°C is 97% and the crystallite size is 100 nm. It has been shown that modifying the glycine–nitrate process by adding citric acid to solution (CitH3/ΣM = 0.37–0.56) allows one to improve the homogeneity of the components in the precursor, thus ensuring the preparation of single-phase powders.

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ACKNOWLEDGMENTS

We are grateful to A.S. Babenko for her assistance in the experimental work.

Funding

This work was supported by the Mendeleev University of Chemical Technology, project no. 040-2018.

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Authors and Affiliations

  1. Mendeleev University of Chemical Technology, ul. Geroev Panfilovtsev 20/1, 125480, Moscow, Russia

    A. V. Zhukov, S. V. Chizhevskaya, E. A. Styuf & Ye Ko Ko Htun

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  1. A. V. Zhukov
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  2. S. V. Chizhevskaya
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  3. E. A. Styuf
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  4. Ye Ko Ko Htun
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Correspondence to A. V. Zhukov.

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Translated by O. Tsarev

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Zhukov, A.V., Chizhevskaya, S.V., Styuf, E.A. et al. Synthesis of Nanostructured Li4Ti5O12 Powder by the Glycine–Nitrate Process and a Modified Glycine–Nitrate Process. Inorg Mater 56, 820–827 (2020). https://doi.org/10.1134/S0020168520080178

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  • DOI: https://doi.org/10.1134/S0020168520080178

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