Electrochimica Acta, volume 260, pages 157-167

Influence of TiO2 nano-particles on charge carrier transport and cell performance of PMMA-LiClO4 based nano-composite electrolytes

Publication typeJournal Article
Publication date2018-01-01
Quartile SCImago
Q1
Quartile WOS
Q2
Impact factor6.6
ISSN00134686
General Chemical Engineering
Electrochemistry
Abstract
The plasticized PMMA-LiClO4 based solid polymer nano-composite electrolytes were prepared for different concentrations of TiO2 nano-particles using standard solution cast technique. The structure, glass transition temperature, thermal stability and particle size of these nano-composites have been studied by X-ray diffraction, differential scanning calorimetry, thermogravimetric analysis and transmission electron microscopic analysis respectively. The complex conductivity spectra have been measured in the frequency range of 0.01 Hz–2 MHz and analyzed using random barrier model. The contribution of the electrode polarization in low frequency region and at high temperatures has been taken into account during analysis. The temperature dependence of ionic conductivity and relaxation time has been found to obey the Vogel-Tammann-Fulcher relation. A maximum ionic conductivity of ∼3.0 × 10−4 Scm−1 has been observed for the electrolyte with 1 wt% TiO2 nano-particles. The dielectric spectra have been analyzed using Havriliak-Negami function to understand the relaxation of charge carriers. The ion-ion and ion-polymer interactions have been studied using Fourier transform infrared (FTIR) spectra. Finally, the cycling performance of a coin cell of configuration graphite/PMMA-LiClO4-30 wt% PC-1wt% TiO2/LiCoO2 evaluated at 25 °C indicates suitability of the nano-composites as solid electrolytes for Li ion polymer cell.

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Pal P., Ghosh A. Influence of TiO2 nano-particles on charge carrier transport and cell performance of PMMA-LiClO4 based nano-composite electrolytes // Electrochimica Acta. 2018. Vol. 260. pp. 157-167.
GOST all authors (up to 50) Copy
Pal P., Ghosh A. Influence of TiO2 nano-particles on charge carrier transport and cell performance of PMMA-LiClO4 based nano-composite electrolytes // Electrochimica Acta. 2018. Vol. 260. pp. 157-167.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1016/j.electacta.2017.11.070
UR - https://doi.org/10.1016/j.electacta.2017.11.070
TI - Influence of TiO2 nano-particles on charge carrier transport and cell performance of PMMA-LiClO4 based nano-composite electrolytes
T2 - Electrochimica Acta
AU - Pal, Pulak
AU - Ghosh, A.
PY - 2018
DA - 2018/01/01 00:00:00
PB - Elsevier
SP - 157-167
VL - 260
SN - 0013-4686
ER -
BibTex
Cite this
BibTex Copy
@article{2018_Pal,
author = {Pulak Pal and A. Ghosh},
title = {Influence of TiO2 nano-particles on charge carrier transport and cell performance of PMMA-LiClO4 based nano-composite electrolytes},
journal = {Electrochimica Acta},
year = {2018},
volume = {260},
publisher = {Elsevier},
month = {jan},
url = {https://doi.org/10.1016/j.electacta.2017.11.070},
pages = {157--167},
doi = {10.1016/j.electacta.2017.11.070}
}
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