Enhanced Energy Harvesting Using Multilayer Piezoelectric Ceramics

Satyanarayan Patel, In Tae Seo, Sahn Nahm

Research output: Contribution to journalArticle

Abstract

In this work, multi-layer ceramics (MLC) are fabricated for vibrational energy harvesting using 0.5 mol.% CuO added 0.69Pb(Zr0.47Ti0.53)O3-0.31Pb(Zn0.4Ni0.6)1/3Nb2/3O3 (0.5CPZT-PZNN). 0.5CPZT-PZNN has a high transduction coefficient of 20,367 m2/N with a high Curie temperature of 300°C. The effect of the number of layers (n-layers = 1, 3, 5 and 7) on the active power density is systematically investigated. MLC-based piezoelectric energy harvesting (PEH) can increase the active power output by approximately 2.5 times as compared to bulk PEH (n = 1). For the bulk ceramic, PEH active power density is found to be 21 mW/cm3 , whereas maximum active power density is obtained for n = 5 (49.7 mW/cm3). However, upon increasing layers (n = 7), active power density is decreased due to high capacitance. The result shows that the MLC-based PEH can increase output current/voltage and decrease the matching resistive load. In addition, effect of the load resistance on the voltage, current and active power density is also discussed. Finally, a comparison of various piezoelectric material based power output in MLC-system has been also presented.

Original languageEnglish
JournalJournal of Electronic Materials
DOIs
Publication statusPublished - 2019 Jan 1

Fingerprint

Piezoelectric ceramics
Energy harvesting
piezoelectric ceramics
Multilayers
radiant flux density
ceramics
energy
output
Piezoelectric materials
Electric potential
Curie temperature
Capacitance
electric potential
capacitance
coefficients

Keywords

  • energy harvesting
  • multilayer
  • Piezoelectrics

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering
  • Materials Chemistry

Cite this

Enhanced Energy Harvesting Using Multilayer Piezoelectric Ceramics. / Patel, Satyanarayan; Seo, In Tae; Nahm, Sahn.

In: Journal of Electronic Materials, 01.01.2019.

Research output: Contribution to journalArticle

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