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A Lead-Free Piezoelectric Fiber Generator with a High Energy Conversion Constant Material

Author

Listed:
  • Kyung-Bum Kim

    (Research Institute of Industrial Technology, Pusan National University, 2 Busandaehak-ro 63 Beon-gil, Geumjeong-gu, Busan 46241, Korea)

  • Jaegeun Lee

    (School of Chemical Engineering, Pusan National University, 2 Busandaehak-ro 63 Beon-gil, Geumjeong-gu, Busan 46241, Korea)

Abstract

This paper introduces a fiber generator using PVDF with a high-performance lead-free piezoelectric ceramic as filler. The piezoelectric ceramic filler was Ba 0.84 Ca 0.16 Ti 0.90 Zr 0.10 O 3 + CuO 0.25 wt% (BCTZC0.25) sintered at 1550 °C. The BCTZC0.25 has an improved high-energy conversion constant ( d 33 × g 33 ). The fiber generator made of PVDF/BCTZC0.25 composite fiber showed 1.6 times better piezoelectric power generation performance compared to a pure PVDF fiber generator. The PVDF/BCTZC0.25 fiber generator produced an output voltage of 1.9 V at 4 Hz. Hence, we successfully demonstrated that a composite fiber generator that uses piezoelectric ceramics which are harmless to the human body can outperform a pure PVDF fiber generator.

Suggested Citation

  • Kyung-Bum Kim & Jaegeun Lee, 2022. "A Lead-Free Piezoelectric Fiber Generator with a High Energy Conversion Constant Material," Energies, MDPI, vol. 15(18), pages 1-6, September.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:18:p:6787-:d:917126
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    References listed on IDEAS

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    1. Quan Wang & Kyung-Bum Kim & Sang Bum Woo & Tae Hyun Sung, 2021. "Magnetic Field Energy Harvesting with a Lead-Free Piezoelectric High Energy Conversion Material," Energies, MDPI, vol. 14(5), pages 1-14, March.
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