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High Permittivity CaCu_3Ti_4O_(12) Particle-Induced Internal Polarization Amplification for High Performance Triboelectric Nanogenerators

机译:高性能摩擦电纳米发电机的高介电常数CaCu_3Ti_4O_(12)粒子诱导的内极化放大

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摘要

Here, a composite material based on the butylated melamine formaldehyde (BMF) and high permittivity CaCu3Ti4O12 (CCTO) particles as a triboelectric dielectric material for stable high output triboelectric nanogenerators (TENGs) is proposed. CCTO particles, which have the high permittivity of 7500, can potentially result in the formation of strong internal polarization into the dielectric material under the electric field from triboelectric charges. As a consequence, the charge induction on the bottom electrode is enhanced thereby increasing the triboelectric output performance. A rotation-type freestanding mode TENG based on BMF-CCTO 1 wt% composite material demonstrates high performance power output of a root-mean-square voltage and current density with 268 V and 25.8 mA m(-2), respectively. The strategy of incorporating the high permittivity CCTO particles can be universally applied to any triboelectric polymer matrix in order to enhance the output performance of TENGs.
机译:在此,提出了一种基于丁基三聚氰胺甲醛(BMF)和高介电常数CaCu3Ti4O12(CCTO)颗粒的复合材料,作为稳定的高输出摩擦电纳米发电机(TENGs)的摩擦电介质材料。具有7500的高介电常数的CCTO粒子可能会在摩擦电荷的电场作用下,在电介质材料中形成强内部极化。结果,增强了底部电极上的电荷感应,从而提高了摩擦电输出性能。基于BMF-CCTO 1 wt%复合材料的旋转式独立式TENG表现出均方根电压和电流密度的高性能功率输出,分别为268 V和25.8 mA m(-2)。可以将掺入高介电常数CCTO颗粒的策略普遍应用于任何摩擦电聚合物基体,以增强TENG的输出性能。

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