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<p>Polyvinylidene difluoride composite fibers with uniformly dispersed lead zirconate titanate (Pb (Zr<sub>0.52</sub>Ti<sub>0.48</sub>) O<sub>3</sub>) particles were synthesized via electrospinning technique. The fraction of electroactive β-crystalline phase within PVDF polymer matrix was enhanced upon incorporation of PZT particles from ~ 65.7% to ~ 88.9%. The PVDF fiber-based piezoelectric nanogenerator (PENG) generated an open-circuit voltage of ~ 10.1&#xa0;V, current density ~ 0.101&#xa0;mA/m<sup>2</sup> along with the highest output power density P<sub>(A)​</sub> ~ 1.02 mWm<sup>−2</sup> and P<sub>(V)​</sub> ~ 20.4&#xa0;Wm<sup>−3</sup> at load resistance of 50 MΩ, while maximum recorded power density along with superior open-circuit voltage and short-circuit current density P<sub>(A)​</sub> ~ 1.02 mWm<sup>−2</sup> and P<sub>(V)​</sub> ~ 20.4&#xa0;Wm<sup>−3</sup> at load resistance of 60 MΩ,∼23.5&#xa0;V and ∼0.195 mAm<sup>−2</sup>, respectively, were achieved for a PVDF: PZT mass proportion of 1: 0.8. PZT/PVDF composite fibers PENG illuminated multiple LEDs, digital multimeter, and hygrometer. The findings show the potential of PZT/PVDF composite fibers to function as effective piezoelectric energy harvesting material for sustainable power sources in next-generation flexible electronic systems.</p>

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Efficient and Flexible Piezoelectric Energy Harvesting Devices Based on Electrospun PZT/PVDF Composite Fibers

  • 期刊论文

  • 发表日期：

    2026年4月30日

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  • Sajid Khan,
  • Jouhar Ud Din,
  • Numan Ali,
  • Said Karim Shah,
  • Jasim Yousaf,
  • Ejaz Ahmed,
  • Tahir Ali,
  • Khizar Hayat

摘要

Polyvinylidene difluoride composite fibers with uniformly dispersed lead zirconate titanate (Pb (Zr0.52Ti0.48) O3) particles were synthesized via electrospinning technique. The fraction of electroactive β-crystalline phase within PVDF polymer matrix was enhanced upon incorporation of PZT particles from ~ 65.7% to ~ 88.9%. The PVDF fiber-based piezoelectric nanogenerator (PENG) generated an open-circuit voltage of ~ 10.1 V, current density ~ 0.101 mA/m2 along with the highest output power density P(A)​ ~ 1.02 mWm−2 and P(V)​ ~ 20.4 Wm−3 at load resistance of 50 MΩ, while maximum recorded power density along with superior open-circuit voltage and short-circuit current density P(A)​ ~ 1.02 mWm−2 and P(V)​ ~ 20.4 Wm−3 at load resistance of 60 MΩ,∼23.5 V and ∼0.195 mAm−2, respectively, were achieved for a PVDF: PZT mass proportion of 1: 0.8. PZT/PVDF composite fibers PENG illuminated multiple LEDs, digital multimeter, and hygrometer. The findings show the potential of PZT/PVDF composite fibers to function as effective piezoelectric energy harvesting material for sustainable power sources in next-generation flexible electronic systems.