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首页> 外文期刊>Nano Energy >Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore. Multi-layered disk triboelectric nanogenerator for harvesting hydropower
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Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore. Multi-layered disk triboelectric nanogenerator for harvesting hydropower

机译：新加坡国立大学化学系，3 Science Drive 3，新加坡117543，新加坡。多层圆盘摩擦发电纳米发电机

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摘要

New technologies that can scavenge ambient environmental energy have attracted increasing interest in the past decades. Recently, triboelectric nanogenerator (TENG) has been demonstrated as a powerful approach for harvesting various forms of mechanical energies. In this work, a newly designed TENG is demonstrated by coaxially integrating multiple layers disk TENGs into a whole system, which transforms the fluid flow into rotation motion of multiple layers disks and generates a multiplied electrical output. To achieve the effective structural integration and output multiplication, a D-shape shaft is adopted to facilitate the synchronized relative rotation of all the segmentally-structured disk layers and light weight and low stiffness springs are employed to ensure the intimate contact of the tribo-surfaces. With the above design, the nanogenerator delivers an open-circuit voltage up to ~470 V and a short-circuit current density of 90.6 mA/m~2, corresponding to an instantaneous maximum power density of 42.6 W/m~2 (2.68 kW/m~3) at a rotation speed of 1000 rpm. By combining the TENG with a water turbine, the device can be effectively driven by a water flow from a common household faucet. This technology represents an important advance of TENGs toward practical applications and shows great potential in hydroelectric power and wind power industries.
机译：在过去的几十年中，可以清除周围环境能量的新技术引起了越来越多的兴趣。最近，摩擦电纳米发电机（TENG）已被证明是一种用于收集各种形式的机械能的有力方法。在这项工作中，通过将多层磁盘TENG共轴集成到整个系统中，展示了一种新设计的TENG，该系统将流体流转换为多层磁盘的旋转运动并产生倍增的电输出。为了实现有效的结构集成和输出倍增，采用D形轴来促进所有分段结构盘层的同步相对旋转，并采用了重量​​轻和低刚度的弹簧来确保摩擦表面的紧密接触。通过上述设计，纳米发电机可提供高达〜470 V的开路电压和90.6 mA / m〜2的短路电流密度，对应于瞬时最大功率密度42.6 W / m〜2（2.68 kW / m〜3），转速为1000 rpm。通过将TENG与水轮机结合，可以通过普通家用水龙头的水流有效地驱动该设备。这项技术代表了TENG在实际应用中的重要进步，并在水力发电和风力发电行业显示出巨大的潜力。

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