Facility Agricultural: Green Energy Development and Carbon OffsetDepartment of Materials Science Engineering / Lai, Ying-Chih / Distinguished Professor
設施農業:農業綠能開發與碳匯補償【材料科學與工程學系賴盈至 特聘教授】
論文篇名 英文:Omni-directional harvesting of ocean wave energy using arch-shaped double-layered direct-current triboelectric nanogenerator
中文:利用拱形雙層直流摩擦奈米發電機全方位收集海浪能
期刊名稱 Nano Energy
發表年份,卷數,起迄頁數 2024, 132, no.110365
作者 Feng, Haonan; Liu, Chang Xin; Wang, Wei; Dai, Zhuhang; Zhang, Hai; Ma, Haoxiang; Yalikun, Yaxiaer; Zhang, Bowen; Shange, Chenjing; Lai, Ying-Chih(賴盈至)*; Yang, Yang
DOI 10.1016/j.nanoen.2024.110365
中文摘要 海浪能是綠色、低成本、再生清潔能源的重要來源。摩擦奈米發電機(TENG)技術已證明其在海浪能量收集中的應用潛力。然而,大多數 TENG 設計都面臨挑戰,包括複雜的能源管理和儲存要求,以及低海洋頻率下 TENG 輸出效能下降。在這裡,我們提出了一種脈衝拱形雙層直流TENG(aDC-TENG),它可以有效地捕捉低頻海浪能量。由於採用拱形結構,該系統可降低操作阻力,並將頻率低至 0.1 Hz 的海浪產生的超低振動轉換為電能。透過利用協同分佈的電極之間發生的靜電擊穿,形成單向電流環路,在 0.1 Hz 時產生高達 23.5 μA 的單向峰值脈衝電流。整合的aDC-TENG陣列與小球體一起放置在浮標底部,透過球體與海浪的耦合運動實現自動接觸和分離,從而實現全方位收集海浪能量。 aDC-TENG在三亞灣成功運行,表現出卓越的環境適應性。我們的研究成果為開發更有效率、更方便的技術開闢了道路,用於收集驅動各種感測器和其他電子設備所需的海浪能量。
英文摘要 Ocean wave energy represents an essential source of green, low-cost, and renewable clean energy. Triboelectric nanogenerator (TENG) technology has demonstrated its potential for use in ocean wave energy harvesting. However, most TENG designs face challenges that include complex energy management and storage requirements, along with TENG output performance degradation at low ocean frequencies. Here, we present a pulsed arch-shaped double-layered direct-current TENG (aDC-TENG) that captures low-frequency ocean wave energy efficiently. Because of its arched structure, the system reduces operational resistance and converts ultra-low vibrations from ocean waves at frequencies as low as 0.1 Hz into electrical energy. By using the electrostatic breakdown that is designed to occur between synergistically distributed electrodes, a unidirectional current loop is formed that generates unidirectional peak pulse currents as high as 23.5 μA at 0.1 Hz. The integrated aDC-TENG array, which is placed on the bottom of the buoy alongside small spheres, achieves automatic contact and separation through the coupled motion of the spheres and the ocean waves, thus enabling omni-directional harvesting of the energy from the ocean waves. The aDC-TENG was operated successfully in Sanya Bay and demonstrated remarkable environmental adaptability. Our research results have opened up a path toward the development of more efficient and convenient techniques for collection of the ocean wave energy required to drive a variety of sensors and other electronic devices.
發表成果與本中心研究主題相關性 新能源採集