Peng Zhang, Xiaofei Bu, Liangsong Huang, Yuxia Li, Zhongkai Zhao, Ranran Yang, Liqun Yang and Kun Zhang
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引用次数: 0
摘要
三电纳米发电机(TENGs)作为新兴的环境能量采集技术,能有效地将环境中低频、杂乱的机械能转化为电能,在为微纳电子设备尤其是户外电子设备供电方面具有独特的优势。在此,我们提出了一种以天然树叶为摩擦层、以树叶内部电解质为电极层的单电极模式三电纳米发电机(G-TENG),实现了在野外轻拍树叶即可快速发电,无需外接电源。实验表明,轻敲树叶产生的电能可以点亮 225 盏白色 LED 灯。此外,还进一步建立了适用于 G-TENG 的改进型便携式能源管理电路,以实现对电容器的快速充电,并满足定时器和温湿度计等电子设备的持续供电。我们相信,这项工作在户外自供电领域有着巨大的应用潜力。
A single-electrode mode triboelectric nanogenerator based on natural leaves for harvesting energy†
Triboelectric nanogenerators (TENGs), as the emerging ambient energy harvesting technology, can effectively convert the low-frequency and chaotic mechanical energy in the environment into electrical energy and have a unique advantage of power supply for micro-nano electronic devices, especially outdoors. Herein, we propose a single-electrode mode triboelectric nanogenerator (G-TENG) based on natural leaves as the friction layer and electrolytes inside the leaves as the electrode layer, which realizes the possibility of quickly generating energy by tapping the leaves in the field without external power supply. Experiments have shown that the electricity generated by tapping on a leaf can light up 225 white LED lights. In addition, an improved portable energy management circuit suitable for G-TENG has been further established to achieve fast charging of capacitors and meet the continuous power supply of electronic devices such as timers and temperature and humidity meters. We believe that this work has great potential for application in the field of outdoor self-power supply.
期刊介绍:
Sustainable Energy & Fuels will publish research that contributes to the development of sustainable energy technologies with a particular emphasis on new and next-generation technologies.