• Vol 6, No 4 (2015)
  • Metalurgy and Material Engineering

Synthesis of Lithium Titanate (Li4Ti5O12) through Hydrothermal Process by using Lithium Hydroxide (LiOH) and Titanium Dioxide (TiO2) Xerogel

Bambang Priyono, Anne Zulfia Syahrial, Akhmad Herman Yuwono, Evvy Kartini, Mario Marfelly, Wahid Muhamad Furkon Rahmatulloh


Published at : 27 Oct 2015
IJtech : IJtech Vol 6, No 4 (2015)
DOI : https://doi.org/10.14716/ijtech.v6i4.1965

Cite this article as:

Priyono, B., Syahrial, A.Z., Yuwono, A.H., Kartini, E., Marfelly, M., Rahmatulloh, W.M.F. 2015. Synthesis of Lithium Titanate (Li4Ti5O12) through Hydrothermal Process by using Lithium Hydroxide (LiOH) and Titanium Dioxide (TiO2) Xerogel. International Journal of Technology. Volume 6(4), pp. 555-564

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Bambang Priyono Department of Metallurgy and Materials Engineering, Faculty of Engineering, Universitas Indonesia, Kampus Baru UI Depok, Depok 16424, Indonesia
Anne Zulfia Syahrial Department of Metallurgy and Materials Engineering, Faculty of Engineering, Universitas Indonesia, Kampus Baru UI Depok, Depok 16424, Indonesia
Akhmad Herman Yuwono Department of Metallurgy and Materials Engineering, Faculty of Engineering, Universitas Indonesia, Kampus Baru UI Depok, Depok 16424, Indonesia
Evvy Kartini Center for Science and Technology of Advanced Materials, BATAN, Puspiptek Serpong, Indonesia
Mario Marfelly Department of Metallurgy and Materials Engineering, Faculty of Engineering, Universitas Indonesia, Kampus Baru UI Depok, Depok 16424, Indonesia
Wahid Muhamad Furkon Rahmatulloh Department of Metallurgy and Materials Engineering, Faculty of Engineering, Universitas Indonesia, Kampus Baru UI Depok, Depok 16424, Indonesia
Email to Corresponding Author

Abstract
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Lithium Titanate (Li4Ti5O12) or (LTO) has a potential as an anode material for a high performance lithium ion battery. In this work, LTO was synthesized by a hydrothermal method using Titanium Dioxide (TiO2) xerogel prepared by a sol-gel method and Lithium Hydroxide (LiOH). The sol-gel process was used to synthesize TiO2 xerogel from a titanium tetra-n-butoxide/Ti(OC4H9)4 precursor. An anatase polymorph was obtained by calcining the TiO2 xerogel at a low temperature, i.e.: 300oC and then the hydrothermal reaction was undertaken with 5M LiOH aqueous solution in a hydrothermal process at 135oC for 15 hours to form Li4Ti5O12. The sintering process was conducted at a temperature range varying from 550oC, 650oC, and 750oC, respectively to determine the optimum characteristics of Li4Ti5O12. The characterization was based on Scanning Thermal Analysis (STA), X-ray Powder Diffraction (XRD), Field Emission Scanning Electron Microscopy (FESEM), Fourier Transform Infrared spectroscopy (FTIR), and Brunauer-Emmett-Teller (BET) testing results. The highest intensity of XRD peaks and FTIR spectra of the LTO were found at the highest sintering temperature (750oC). As a trade-off, however, the obtained LTO/Li4Ti5O12 possesses the smallest BET surface area (< 0.001 m2/g) with the highest crystallite size (56.45 nm).

Anode material, Hydrothermal, Li4Ti5O12, Li-ion battery, Sintering, Sol-gel, TiO2 xerogel

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