A Nonresonant Hybridized Electromagnetic-Triboelectric Nanogenerator for Irregular and Ultralow Frequency Blue Energy Harvesting

被引：50
作者：
Xie, Weibo [1 ,2 ]
Gao, Lingxiao [2 ,3 ]
Wu, Lingke [4 ]
Chen, Xin [2 ,3 ]
Wang, Fayang [2 ]
Tong, Daqiao [2 ]
Zhang, Jian [1 ]
Lan, Jianyu [5 ]
He, Xiaobin [5 ]
Mu, Xiaojing [1 ,2 ]
Yang, Ya [3 ,6 ,7 ]
机构：
[1] Chongqing Univ, State Key Lab Mech Transmiss, Chongqing 400044, Peoples R China
[2] Chongqing Univ, Int R&D Ctr Micronano Syst & New Mat Technol, Key Lab Optoelect Technol & Syst, Minist Educ, Chongqing 400044, Peoples R China
[3] Chinese Acad Sci, CAS Ctr Excellence Nanosci, Beijing Inst Nanoenergy & Nanosyst, Beijing Key Lab Micronano Energy & Sensor, Beijing 100083, Peoples R China
[4] Chongqing Univ, Coll Aerosp Engn, Chongqing 400044, Peoples R China
[5] Shanghai Acad Spaceflight Technol, Shanghai Inst Space Power Source, Shanghai 200245, Peoples R China
[6] Univ Chinese Acad Sci, Sch Nanosci & Technol, Beijing 100049, Peoples R China
[7] Guangxi Univ, Ctr Nanoenergy Res, Sch Phys Sci & Technol, Nanning 530004, Guangxi, Peoples R China
来源：
RESEARCH | 2021年 / 2021卷
基金：
中国国家自然科学基金;
关键词：
WAVE ENERGY; RENEWABLE ENERGY; VIBRATION; SYSTEMS; SENSOR;
D O I：
10.34133/2021/5963293
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
As a promising renewable energy source, it is a challenging task to obtain blue energy, which is irregular and has an ultralow frequency, due to the limitation of technology. Herein, a nonresonant hybridized electromagnetic-triboelectric nanogenerator was presented to efficiently obtain the ultralow frequency energy. The instrument adopted the flexible pendulum structure with a precise design and combined the working principle of electromagnetism and triboelectricity to realize the all-directional vibration energy acquisition successfully. The results confirmed that the triboelectric nanogenerator (TENG) had the potential to deliver the maximum power point of about 470/4W while the electromagnetic nanogenerator (EMG) can provide 523 mW at most. The conversion efficiency of energy of the system reached 48.48%, which exhibited a remarkable improvement by about 2.96 times, due to the elastic buffering effect of the TENG with the double helix structure. Furthermore, its ability to collect low frequency wave energy was successfully proven by a buoy in Jialing River. This woke provides an effective candidate to harvest irregular and ultralow frequency blue energy on a large scale.
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页数：12
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