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BaTiO3 assisted PAN fiber preparation of high performance flexible nanogenerator

机译：Batio3辅助锅纤维制备高性能柔性纳米液

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Recently, polyacrylonitrile (PAN) fiber films have shown greater advantages over polyvinylidene fluoride (PVDF) in the field of energy harvesting. Adding other substances with high piezoelectric coefficient is worth exploring to further improve the output voltage of PAN. Here, we successfully dispersed high dielectric constant barium titanate in PAN nanofiber films with different dosages using an electrospinning technology. The X-ray diffraction and Fourier transform infrared spectroscopy results indicated that BaTiO3 nanoparticles aid in transforming PAN from a 3(1)-helical conformation to a planar zigzag conformation, thus improving the output voltage of PAN nanofibers significantly and also promoting its mechanical properties. In addition, the human body function monitoring experiment showed a good response current to the rhythm of elbow bending, knee bending, running, and breathing. Besides, when a simple rectifier circuit was applied, the capacitor could be charged to 2 V in less than 2 min and light a commercial LED through repeated tapping.
机译：最近，聚丙烯腈（PAN）纤维膜在能量收集领域的聚偏二氟乙烯（PVDF）方面具有更大的优点。添加具有高压电系数的其他物质值得探索，以进一步提高PAN的输出电压。在这里，我们在静电纺丝技术中成功地用不同剂量在PAN纳米纤维膜中分散了高介电常数钡钛酸钡。 X射线衍射和傅里叶变换红外光谱结果表明，BATIO3纳米颗粒有助于将锅从3（1） - 咯态变形转化为平面之字形构象，从而显着提高了PAN纳米纤维的输出电压并促进其机械性能。此外，人体功能监测实验表明，肘部弯曲，膝盖弯曲，跑步和呼吸的节奏显示出良好的反应电流。此外，当施加简单的整流电路时，电容器可以在小于2分钟的时间内充电至2V，并通过重复敲击光的商用LED。

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