Gigantic Capacito-Energetic Parameters of Lithium-Intercalation Current Generation Reaction in Nanodispersed TiO_{2} with Defective Structure

• Authors: I. Grygorchak , I. Myronyuk , M. Micov , A. Pidluzhna , O. Ostapuk
• Languages of publication: EN

Abstracts

EN

To determine the reasons of the difference between the parameters of lithium intercalation process for materials of the same nature, the nanodispersed TiO_{2} was synthesized by pyrogenic method from TiCl_{4} in hydrogen-air flame with SiCl_{4} doping precursor and was compared with TiO_{2} of "Merck" quality. The X-ray analysis with the use of small-angle scattering method, electronic scanning microscopy and impedance spectroscopy were used to determine aforesaid parameters. Obtained results show that the reason of such behaviour lays in size effect and in modification of energetic topology of impurity system. Thermodynamic parameters of intercalation reaction agree well with investigated properties of ceramic samples.

Keywords

EN

71.55.Jv

Discipline

• 71.55.Jv: Disordered structures; amorphous and glassy solids

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2010
• Volume: 117
• Issue: 1
• Pages: 189-194

Dates

published

2010-01

Contributors

author

I. Grygorchak

• Lviv Polytechnic National University, 1 Kotlyarevsky St., 79013 Lviv, Ukraine

author

I. Myronyuk

• Precarpathian University, 57 Shevchenko St., 76000 Ivano-Frankivsk, Ukraine

author

M. Micov

• Lviv Polytechnic National University, 1 Kotlyarevsky St., 79013 Lviv, Ukraine

author

A. Pidluzhna

• Lviv Polytechnic National University, 1 Kotlyarevsky St., 79013 Lviv, Ukraine

author

O. Ostapuk

• Lviv Polytechnic National University, 1 Kotlyarevsky St., 79013 Lviv, Ukraine

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Identifiers

DOI

10.12693/APhysPolA.117.189