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Triboelectric Nanogenerator for Ocean Wave Graded Energy Harvesting and Condition Monitoring
ACS Nano ( IF 15.8 ) Pub Date : 2021-09-23 , DOI: 10.1021/acsnano.1c05685
Yuhong Xu 1, 2 , Weixiong Yang 1, 2 , Xiaohui Lu 2 , Yanfei Yang 1 , Jianping Li 3 , Jianming Wen 3 , Tinghai Cheng 1, 2, 4 , Zhong Lin Wang 1, 4, 5
Affiliation  

Using triboelectric nanogenerators (TENGs) to harvest blue energy in the ocean is advanced technology at present. In wave environments, the wave magnitude is constantly changing, so designing a TENG that can adjust the energy harvesting ability is necessary. Herein, a graded energy harvesting triboelectric nanogenerator (GEH-TENG) is fabricated, in which double generation units can operate in different transmission states to adapt to wave changes. Under small waves, the GEH-TENG is in the primary transmission state. Once waves are large enough, it enters the secondary transmission state, realizing graded energy harvesting to enhance power generation performance. Experiments show that when the input frequency is 1.0 Hz and the amplitude is 120 mm, the GEH-TENG can generate 0.7 mJ of energy in a single operation cycle, which is 2.3 times of it without grading. Moreover, it can be placed on the shore to monitor ocean wave conditions. An idea of graded energy harvesting is proposed in this study, and the proposal provides useful guidance for practical applications of TENGs in ocean wave condition monitoring.

中文翻译:

用于海浪分级能量收集和状态监测的摩擦纳米发电机

使用摩擦纳米发电机(TENG)在海洋中收集蓝色能量是目前先进的技术。在波浪环境中,波浪的大小是不断变化的,因此设计一个可以调节能量收集能力的 TENG 是必要的。在这里,制造了分级能量收集摩擦纳米发电机(GEH-TENG),其中双发电机组可以在不同的传输状态下运行以适应波浪变化。在小波下,GEH-TENG 处于初级传输状态。一旦波足够大,进入二次传输状态,实现分级能量收集,提高发电性能。实验表明,当输入频率为 1.0 Hz,振幅为 120 mm 时,GEH-TENG 在单个工作周期内可产生 0.7 mJ 的能量,即 2。3 次不评分。此外,它可以放置在岸边以监测海浪状况。本研究提出了分级能量收集的想法,该提议为 TENG 在海浪状况监测中的实际应用提供了有益的指导。
更新日期:2021-10-26
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