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

K. Vijaya Babu

K. Vijaya Babu

Advanced Analytical Laboratory, Andhra UniversityVisakhapatnam, India
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Vijaya Babu, K.
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V. Veeraiah

V. Veeraiah

Department of Physics, Andhra UniversityVisakhapatnam, India
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Veeraiah, V.
  
12 oct 2016
Dielectric and impedance analysis of Li0.5La0.5Ti1-xZrxO3(x = 0.05 and 0.1) ceramics as improved electrolyte material for lithium-ion batteries's Cover Image
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Categoría del artículo: Research Article
Publicado en línea: 12 oct 2016
Páginas: 605 - 616
Recibido: 23 dic 2015
Aceptado: 21 jul 2016
DOI: https://doi.org/10.1515/msp-2016-0092
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© 2016 K. Vijaya Babu et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Fig. 1

X-ray diffraction patterns for Li0.5La0.5Ti1-xZrxO3 (x = 0.05 and 0.1).
X-ray diffraction patterns for Li0.5La0.5Ti1-xZrxO3 (x = 0.05 and 0.1).

Fig. 2

SEM micrographs for Li0.5La0.5Ti1-xZrxO3 (x = 0.05 and 0.1).
SEM micrographs for Li0.5La0.5Ti1-xZrxO3 (x = 0.05 and 0.1).

Fig. 3

Raman spectra for Li0.5La0.5Ti1-xZrxO3 (x = 0.05 and 0.1).
Raman spectra for Li0.5La0.5Ti1-xZrxO3 (x = 0.05 and 0.1).

Fig. 4

Nyquist plots for Li0.5La0.5Ti1-xZrxO3: (a) x = 0.05; (b) x = 0.1.
Nyquist plots for Li0.5La0.5Ti1-xZrxO3: (a) x = 0.05; (b) x = 0.1.

Fig. 5

Z′ vs. log f for Li0.5La0.5Ti1-xZrxO3: (a) x = 0.05; (b) x = 0.1.
Z′ vs. log f for Li0.5La0.5Ti1-xZrxO3: (a) x = 0.05; (b) x = 0.1.

Fig. 6

Z″ vs. log f for Li0.5La0.5Ti1-xZrxO3: (a) x = 0.05; (b) x = 0.1.
Z″ vs. log f for Li0.5La0.5Ti1-xZrxO3: (a) x = 0.05; (b) x = 0.1.

Fig. 7

Variation of AC conductivity with frequency at different temperatures of Li0.5La0.5Ti1-xZrxO3: (a) x = 0.05; (b) x = 0.1.
Variation of AC conductivity with frequency at different temperatures of Li0.5La0.5Ti1-xZrxO3: (a) x = 0.05; (b) x = 0.1.

Fig. 8

Arrhenius plots for Li0.5La0.5Ti1-xZrxO3: (a) x = 0.05; (b) x = 0.1.
Arrhenius plots for Li0.5La0.5Ti1-xZrxO3: (a) x = 0.05; (b) x = 0.1.

Fig. 9

Dielectric constant vs. log f for Li0.5La0.5Ti1-xZrxO3: (a) x = 0.05; (b) x = 0.1.
Dielectric constant vs. log f for Li0.5La0.5Ti1-xZrxO3: (a) x = 0.05; (b) x = 0.1.

Fig. 10

tanδ vs. logf for Li0.5La0.5Ti1-xZrxO3 (x = 0.05 and 0.1).
tanδ vs. logf for Li0.5La0.5Ti1-xZrxO3 (x = 0.05 and 0.1).

Fig. 11

M′ vs. logf for Li0.5La0.5Ti1-xZrxO3: (a) x = 0.05; (b) x = 0.1.
M′ vs. logf for Li0.5La0.5Ti1-xZrxO3: (a) x = 0.05; (b) x = 0.1.

Fig. 12

M′/M′max vs. logf for Li0.5La0.5Ti1-xZrxO3: (a) x = 0.05; (b) x = 0.1.
M′/M′max vs. logf for Li0.5La0.5Ti1-xZrxO3: (a) x = 0.05; (b) x = 0.1.

Fig. 13

Cyclic voltammetry for Li0.5La0.5Ti1-xZrxO3 (x = 0.05 and 0.1).
Cyclic voltammetry for Li0.5La0.5Ti1-xZrxO3 (x = 0.05 and 0.1).

AC conductivity values for Li0_5La0_5Ti1-xZrxO3(x = 0_05 and 0_1) at different temperatures_

Temperature [°C]Li0.5La0.5Ti1-xZrxO3 (x = 0.05)Li0.5La0.5Ti1-xZrxO3 (x = 0.1)
306.33 × 10-41.01 × 10-4
404.30 × 10-45.66 × 10-4
503.22 × 10-44.29 × 10-4
603.07 × 10-43.05 × 10-4
703.46 × 10-41.77 × 10-4
805.47 × 10-41.37 ×10-4
901.15 × 10-31.08 × 10-4
1002.98 × 10-31.03 × 10-4

Comparison of densities, lattice parameter (a in Å ) and unit cell volume (V in Å3) for Li0_5La0_5Ti1-xZrxO3 (x = 0_05 and 0_1)_

x-valueExperimentalTheoreticalLattice parameterVolumeCrystallite
densitydensity[Å][Å3]size [nm]
0.054.83494.35893.864357.704868.5
0.14.83354.53353.863257.655662.31
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Ciencia de los materiales, Ciencia de los materiales, otros, Nanomateriales, Materiales funcionales e inteligentes, Características y propiedades de los materiales
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