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Fully enclosed microbeads structured TENG arrays for omnidirectional wind energy harvesting with a portable galloping oscillator
Materials Today ( IF 24.2 ) Pub Date : 2023-11-25 , DOI: 10.1016/j.mattod.2023.11.001
Leo N.Y. Cao , Erming Su , Zijie Xu , Zhong Lin Wang

To facilitate the transition of triboelectric nanogenerators (TENG) from early stages to large-scale real-world applications, urgent mass production is imperative, necessitating standardized manufacturing processes. In this study, a novel “pause-and-insert” and “print-in-place” 3D printing approach has been devised, employing widely available fused deposition modeling (FDM) printers along with conductive (as electrodes) and nonconductive (for casing and support) filaments to make encapsulate microbeads triboelectric nanogenerator (MB-TENG). This innovation results in a fully enclosed freestanding-mode TENG pack, seamlessly integrated with a lightweight wind-induced oscillator featuring tuning systems, thus enabling efficient, safe, and noiseless omnidirectional wind energy harvesting. Through adept design and manufacturing techniques, systematic inner-structure optimization has been achieved, yielding superior output and industrialization levels compared to similar efforts. MB-TENG’s surface charge density is as high as 19.9 µC/m2. The average power density is 13.8 W/m3. Moreover, the elimination of postprocessing significantly streamlines standard manufacturing, enhancing the prospects for device commercialization. Beyond its wind energy application, the versatile energy packs can serve as both ocean wave and human motion harvesters within network configurations, capable of powering a massive real-time monitoring sensor array.



中文翻译:


全封闭微珠结构 TENG 阵列,通过便携式舞动振荡器进行全向风能采集



为了促进摩擦纳米发电机(TENG)从早期阶段向大规模现实应用的过渡,迫切需要大规模生产,从而需要标准化的制造工艺。在这项研究中,设计了一种新颖的“暂停插入”和“就地打印”3D 打印方法,采用广泛使用的熔融沉积建模 (FDM) 打印机以及导电(作为电极)和非导电(用于外壳)和支撑)细丝以制造封装微珠摩擦纳米发电机(MB-TENG)。这项创新成果形成了全封闭式独立式 TENG 组件,与具有调谐系统的轻型风致振荡器无缝集成,从而实现高效、安全、无噪音的全向风能采集。通过精湛的设计和制造技术,实现了内部结构的系统优化,产量和产业化水平均优于同类产品。 MB-TENG的表面电荷密度高达19.9 µC/m 2 。平均功率密度为13.8W/m 3 。此外,消除后处理大大简化了标准制造,增强了设备商业化的前景。除了风能应用之外,多功能能源包还可以在网络配置中充当海浪和人体运动采集器,能够为大规模实时监控传感器阵列供电。

更新日期:2023-11-25
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