Synthesis and Characterization of Novel Piezoelectric and Energy Storage Nanocomposites: Biodegradable Materials–Magnesium Oxide Nanoparticles

Authors

  • A. Hashim University of Babylon, College of Education for Pure Sciences, Department of Physics (Babylon, Iraq)
  • A. Hadi University of Babylon, College of Materials, Department of Ceramics and Building Materials, Iraq (Babylon, Iraq)

DOI:

https://doi.org/10.15407/ujpe62.12.1050

Keywords:

compaction stress, sensitivity, carboxymethyl cellulose, piezoelectric, conductivity, energy storage

Abstract

Sensors based on piezoelectric polymer nanocomposites have high sensitivity, low weight, flexibility, low cost, etc. We have studied a novel piezoelectric sensor made of the carboxymethyl cellulose, polyvinyl pyrrolidone–magnesium oxide nanocomposite. The electric conductivity and dielectric properties of the nanocomposite are studied at room temperature. The dielectric properties of the nanocomposite are examined in frequency range (100 Hz–5 MHz). The DC electric conductivity, dielectric constant, and dielectric losses increase with the concentration of magnesium oxide nanoparticles. The dielectric constant and dielectric losses decrease, as the frequency increases. The AC electrical conductivity increases with the concentration of magnesium oxide nanoparticles and the frequency. The nanocomposite was tested for the piezoelectric application in the pressure interval (80–200) bar. The experimental results show that the electric resistance is decreased, as the compaction stress increases. The nanocomposite has high sensitivity to the pressure. The nanocomposites is tested for the thermal energy storage and release. The results indicate that the times of the melting and solidification in the thermal energy storage and release decrease, as the concentration of magnesium oxide nanoparticles increases.

UJP 2017 V62 #12

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Published

2018-09-18

Issue

Vol. 62 No. 12 (2017)

Section

Nanosystems

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How to Cite

Synthesis and Characterization of Novel Piezoelectric and Energy Storage Nanocomposites: Biodegradable Materials–Magnesium Oxide Nanoparticles. (2018). Ukrainian Journal of Physics, 62(12), 1050. https://doi.org/10.15407/ujpe62.12.1050

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