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

Kyung-Bum Kim () and Jaegeun Lee
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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

Energies, 2022, vol. 15, issue 18, 1-6

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.

Keywords: fiber generator; lead-free; piezoelectric ceramic; high-energy conversion constant (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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