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Title	Waste Take-Out Boxes Reused In High-Performance Triboelectric Nanogenerator For Energy Harvesting And Self-Powered Sensor
ID_Doc	61462
Authors	Gu L.; Wang Y.; Wang X.; Li S.; Wang W.; Li C.; Lin C.; Li Z.; Xu J.; Cui N.; Liu J.
Year	2023
Published	ACS Applied Electronic Materials, 5, 4
DOI	http://dx.doi.org/10.1021/acsaelm.3c00038
Abstract	A waste-plastic-material-based triboelectric nanogenerator (W-TENG) from green manufacturing technology is urgently needed in response to sustainable development of smart cities. However, the low output charge density of the previous W-TENGs impedes them from going further in real applications. Toward this issue, an attractive PP/PS composite tribo-layer entirely based on wasted materials is developed in this work. Benefiting from the synergistic effect of the excellent tribo-negative property of PP and strong charge trapping ability of PS, a discarded take-out-box-based TENG (TB-TENG) with high output charge density is presented. The maximum output charge density of TB-TENG reached 16.5 nC/cm2, which is in a leading position among waste material based TENGs and comparable to that of TENGs based on commonly used fluorine-containing polymer materials. To apply in a smart city, we have remodeled the TB-TENG as a smart energy floor to power multiple functional electronics, such as LEDs, a household hygrometer, and a wireless lighting system through harvesting energy from human or vehicle movement. Moreover, an approach of on-road vehicle speed detection is also established when the TB-TENG serves as a self-powered speed sensor in traffic surveillance systems. This work demonstrates a promising example of using a waste take-out box to design a high output and ecofriendly TENG. © 2023 American Chemical Society.
Author Keywords	Recycle; Self-powered system; Take-out box; Triboelectric nanogenerator; Waste material

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