Dielectric and impedance analysis of Li0.5La0.5Ti1-xZrxO3(x = 0.05 and 0.1) ceramics as improved electrolyte material for lithium-ion batteries

Babu, K. V.; Veeraiah, V.

doi:10.1515/msp-2016-0092

Artykuł - szczegóły

Tytuł artykułu

Dielectric and impedance analysis of Li0.5La0.5Ti1-xZrxO3(x = 0.05 and 0.1) ceramics as improved electrolyte material for lithium-ion batteries

Autorzy

Babu K. V. , Veeraiah V.

Wybrane pełne teksty z tego czasopisma

Identyfikatory

DOI

10.1515/msp-2016-0092

Warianty tytułu

Języki publikacji

Abstrakty

The most attractive property of Li_0.5La_0.5 TiO₃ (LLTO) electrolytes is their high ionic conductivity. Studies have shown that LLTO is capable of existing in a state with an ionic conductivity of 10^-3 S/cm, which is comparable to liquid electrolytes. In addition to the high ionic conductivity of the material, LLTO is electrochemically stable and able to withstand hundreds of cycles. So, the studies of the solid electrolyte material are very important for the development of lithium-ion batteries. In the present paper, Li_0.5La_0.5Ti_1-xZr_xO₃ (x = 0.05 and 0.1) have been prepared by a solid-state reaction method at 1300 °C for 6 hours to improve electrolyte materials for lithium-ion batteries. The phase identified by X-ray diffractometry and crystal structure corresponds to pm3m (2 2 1) space group (Z = 1). The frequency and temperature dependence of impedance, dielectric permittivity, dielectric loss and electric modulus of the Li_0.5La_0.5Ti_1-xZr_xO₃ (x = 0.05 and 0.1) have been investigated. The dielectric and impedance properties have been studied over a range of frequency (42 Hz to 5 MHz) and temperatures (30 °C to 100 °C). The frequency dependent plot of modulus shows that the conductivity relaxation is of non-Debye type.

Słowa kluczowe

lithium lanthanum titanate X-ray diffraction impedance spectroscopy perovskite oxides

Wydawca

De Gruyter

Czasopismo

Materials Science Poland

Rocznik

2016

Tom

Vol. 34, No. 3

Strony

605--616

Opis fizyczny

Bibliogr. 47 poz., rys., tab.

Twórcy

autor

Babu K. V.

vijayababu.k@gmail.com

Advanced Analytical Laboratory, Andhra University, Visakhapatnam-530 003, India

autor

Veeraiah V.

Department of Physics, Andhra University, Visakhapatnam-530 003, India

Bibliografia

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Uwagi

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę.

Typ dokumentu

Bibliografia

Identyfikator YADDA

bwmeta1.element.baztech-7ce313e8-0ac8-4208-98b9-8876ac9159cd