A multi-layered interdigitative-electrodes-based triboelectric nanogenerator for harvesting hydropower

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題名:	A multi-layered interdigitative-electrodes-based triboelectric nanogenerator for harvesting hydropower
作者:	楊伯康;Lin, Zong-Hong;Cheng, Gang;Li, Xiuhan;Yang, Po-Kang;Wen, Xiaonan;Lin Wang, Zhong
貢獻者:	生醫理工學院生醫科學與工程學系
關鍵詞:	Hydropower;Interdigitative electrode;Self-powered nanosensor;Triboelectric nanogenerator;Water drop;Water wave
日期:	2015-07-01
上傳時間:	2026-04-23 11:14:44 (UTC+8)
出版者:	Elsevier BV;Netherlands: Elsevier Ltd
摘要:	摘要： Hydropower is the most important and wildly-used renewable energy source in the environment. In this paper, we demonstrate a multi-layered triboelectric nanogenerator (TENG) to effectively harvest the water wave energy. For a single-layered TENG, interdigitive electrodes are incorporated in order to generate multiple electric outputs under water wave or water drop impact. For the collection of water wave energy, a polyurethane (PU) coated copper rod is used to roll back and forth and contact with the polytetrafluoroethylene (PTFE) film covered interdigitative electrodes. The surfaces of the PU and PTFE films are fabricated as porous structures and nanowire arrays, which provide an advantages of large contact area and efficient separation. Under one wave impact, the single-layered TENG composed of nine pairs of interdigitative electrodes can provide nine pulses of electric outputs (each pulsed output voltage is 52V and output current density is 13.8mAm−2). The instantaneous output power density of a five-layered TENG is 1.1Wm−2. In addition, the PTFE film covered interdigitative electrodes has been successfully used to harvest water drop energy, whcih can also generate 9 pulses of electric outputs upon one water drop falling. All these results show the developed TENG has a potential to harvest the hydropower of ocean wave and raindrop in the near future. Hydropower is the most important and wildly-used renewable energy source in the environment. In this paper, a new concept combining interdigitative electrodes and multi-layered triboelectric nanogenerator has been proposed and shows the potential to harvest the ocean wave and raindrop energy. [Display omitted] •A multi-layered triboelectric nanogenerator (TENG) has been developed to effectively harvest hydropower.•For a single-layered TENG, multiple electric outputs can be generated under one water wave or water drop impact.•The surfaces of contact materials are fabricated as porous structures and nanowire arrays in order to provide the advantages of large contact area and efficient separation.•All these results show the developed TENG has potentials to harvest the hydropower of ocean wave and raindrop in the near future. 出版者： Netherlands: Elsevier Ltd 出版日期： 2015-07 出處： Nano energy, 2015-07, Vol.15 (C), p.256-265 版權： 2015 Elsevier Ltd 識別號： ISSN: 2211-2855 識別號： ISSN: 2211-3282 識別號： DOI: 10.1016/j.nanoen.2015.04.037
顯示於類別:	[生醫科學與工程學系] 期刊論文

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