Metal oxide combined with graphite becomes interesting composition. TiO2 is a good candidate for Li ion battery anode because of cost, availability of sufficient materials, and environmentally friendly. TiO2 gravimetric capacity varied within a fairly wide range. TiO2 crystals form highly depends on the synthesis method used. The electrochemical method is beginning to emerge as a valuable option for preparing TiO2 powders. Using the electrochemical method, the particle can easily be controlled by simply adjusting the imposed current or potential to the system. In this work, the effects of some key parameters of the electrosynthesis on the formation of TiO2 have been investigated. The combination of graphite and TiO2 particle has also been studied for lithium-ion batteries. The homogeneous solution for the electrosynthesis of TiO2 powders was TiCl4 in ethanol solution. The electrolysis was carried out in an electrochemical cell consisting of two carbon electrodes with dimensions of (5 × 2) cm. The electrodes were set parallel with a distance of 2.6 cm between the electrodes and immersed in the electrolytic solution at a depth of 2 cm. The electrodes were connected to the positive and negative terminals of a DC power supply. The electrosynthesis was performed galvanostatically at 0.5 to 2.5 hours and voltages were varied from 8 to 12 V under constant stirring at room temperature. The resulted suspension was aged at 48 hrs, filtered, dried directly in an oven at 150°C for 2 hrs, washed 2 times, and dried again 60 °C for 6 hrs. The particle product has been used to lithium-ion battery as anode. Synthesis of TiO2 particle by electrochemical method at 10 V for 1 to 2.5 hrs resulted anatase and rutile phase.
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8 February 2016
6TH NANOSCIENCE AND NANOTECHNOLOGY SYMPOSIUM (NNS2015)
4–5 November 2015
Surakarta, Indonesia
Research Article|
February 08 2016
Synthesis of TiO2 by electrochemical method from TiCl4 solution as anode material for lithium-ion batteries
Adrian Nur;
Adrian Nur
*
Research Group of Advanced Material, Department of Chemical Engineering,
Sebelas Maret University
, Jl. Ir. Sutami 36 A Kentingan, Surakarta Indonesia
57126
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Agus Purwanto;
Agus Purwanto
Research Group of Advanced Material, Department of Chemical Engineering,
Sebelas Maret University
, Jl. Ir. Sutami 36 A Kentingan, Surakarta Indonesia
57126
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Arif Jumari;
Arif Jumari
Research Group of Advanced Material, Department of Chemical Engineering,
Sebelas Maret University
, Jl. Ir. Sutami 36 A Kentingan, Surakarta Indonesia
57126
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Endah R. Dyartanti;
Endah R. Dyartanti
Research Group of Advanced Material, Department of Chemical Engineering,
Sebelas Maret University
, Jl. Ir. Sutami 36 A Kentingan, Surakarta Indonesia
57126
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Sifa Dian Permata Sari;
Sifa Dian Permata Sari
Research Group of Advanced Material, Department of Chemical Engineering,
Sebelas Maret University
, Jl. Ir. Sutami 36 A Kentingan, Surakarta Indonesia
57126
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Ita Nur Hanifah
Ita Nur Hanifah
Research Group of Advanced Material, Department of Chemical Engineering,
Sebelas Maret University
, Jl. Ir. Sutami 36 A Kentingan, Surakarta Indonesia
57126
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*
Corresponding author: [email protected]
AIP Conf. Proc. 1710, 030003 (2016)
Citation
Adrian Nur, Agus Purwanto, Arif Jumari, Endah R. Dyartanti, Sifa Dian Permata Sari, Ita Nur Hanifah; Synthesis of TiO2 by electrochemical method from TiCl4 solution as anode material for lithium-ion batteries. AIP Conf. Proc. 8 February 2016; 1710 (1): 030003. https://doi.org/10.1063/1.4941469
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