Piezoelectric energy harvesting and charging performance of Pb(Zn1/3Nb2/3)O3–Pb(Zr0.5Ti0.5)O3 nanoparticle-embedded P(VDF-TrFE) nanofiber composite sheets
作者： Da Bin Kim , Chan Su Han , Seung Won Kim , Han Byul Kang , Jin-Woo Park
DOI: 10.1016/J.COMPSCITECH.2018.10.012
关键词: Nanoparticle 、 Composite material 、 Piezoelectricity 、 Perovskite (structure) 、 Composite number 、 Voltage 、 Energy harvesting 、 Electrospinning 、 Nanofiber 、 Materials science
摘要: Abstract Piezoelectric composite structures have been studied to optimize energy harvesting and charging performance. Here, a specific piezoelectric composition of 0.4Pb(Zn1/3Nb2/3)O3–0.6Pb(Zr0.5Ti0.5)O3 (PZN–PZT) has selected for better Different contents PZN-PZT nanoparticles ∼54 nm were embedded into matrix poly(vinylidene fluoride–trifluoroethylene) [P(VDF–TrFE)] by single electrospinning process. The single-phase perovskite initially prepared combustion synthesis with the assistance polyacrylic acid (PAA) as fuel. enhanced performance flexible nanogenerators was ascertained exhibiting ∼3.4 V output voltage ∼240 nA current 20 vol% nanoparticles-incorporated sheet. capability found be designing stacked nanofiber sheets in series, suggesting that rate saturation are dependent on number series. For instance, double exhibited ∼5.7 V within ∼150 s.
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