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首页> 外文期刊>Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics >Enhanced flexible piezoelectric energy harvesters based on BaZrTiO3-BaCaTiO3 nanoparticles/PVDF composite films with Cu floating electrodes
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Enhanced flexible piezoelectric energy harvesters based on BaZrTiO3-BaCaTiO3 nanoparticles/PVDF composite films with Cu floating electrodes

机译：基于BazrtiO3-Bacatio3纳米颗粒/ PVDF复合膜的增强柔性压电能量收割机，具有Cu浮动电极

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摘要

Flexible piezoelectric energy harvesters (FPEHs) were fabricated by employing different types of composite materials based on lead-free piezoelectric nanoparticles (LPNPs) and polyvinylidene fluoride (PVDF) with floating electrodes. The floating electrode effects were analyzed through an experiment and simulation. Different types of LPNPs (BaTiO3, Ba(Zr0.04Ti0.96)O-3 (BZT), 1-mol% Cu-doped BZT, Ba(Zr0.2Ti0.8) O-3-50(Ba0.7Ca0.3)TiO3 (BZT-BCT), and 1-mol% Cu-doped BZT-BCT)/PVDF composite films were evaluated for FPEH applications. The FPEH based on the BZT-BCT nanoparticles (NPs)/PVDF composite film with floating electrode exhibited a high performance. The highest energy density (2.79 mJ/cm(3)) was obtained for the FPEH based on the BZT-BCT NPs/PVDF composite film with floating electrode. The results suggest that upon the introduction of the floating electrodes (Cu) into the BZT-BCT NPs/PVDF composite film, charges could be more easily attracted to the floating electrodes that facilitated the collection of charge into the electrodes. (C) 2019 Published by Elsevier B.V.
机译：通过采用基于无铅压电纳米颗粒（LPNP）和具有浮动电极的聚偏二氟乙烯（PVDF）的不同类型的复合材料来制造柔性压电能量收割机（FPEHS）。通过实验和模拟分析浮电极效应。不同类型的LPNPS（BATIO3，BA（Zr0.04Ti0.96）O-3（BZT），1mol％Cu掺杂BZT，BA（Zr0.2Ti0.8）O-3-50（Ba0.7Ca0.3 （BZT-BCT）和1mol％Cu掺杂的BZT-BCT）/ PVDF复合膜被评价用于FPEH应用。基于BZT-BCT纳米颗粒（NPS）/ PVDF复合膜的FPEH具有浮动电极的高性能。基于BZT-BCT NPS / PVDF复合膜，获得最高能量密度（2.79MJ / cm（3）），其具有浮动电极的BZT-BCT NPS / PVDF复合膜。结果表明，在将浮动电极（Cu）引入BZT-BCT NPS / PVDF复合膜时，可以更容易地吸引到浮动电极中的电荷，该浮动电极将电荷集成到电极中。 （c）2019年由elestvier b.v发布。

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