Photo-induced charge boosting of liquid–solid electrokinetic generators for efficient wave energy harvesting

2019 ◽  
Vol 7 (10) ◽  
pp. 5373-5380 ◽  
Author(s):  
Jin Tan ◽  
Yuanyuan Zhao ◽  
Xiya Yang ◽  
Jialong Duan ◽  
Yudi Wang ◽  
...  

A photo-induced charge boosting liquid–solid electrokinetic generator with a structure of PU/GO-CB-MWCNT/CQDs/Cu was fabricated for efficient water kinetic energy harvesting.

Nano Energy ◽  
2020 ◽  
pp. 105735
Author(s):  
Nan Zhang ◽  
Haojie Gu ◽  
Keyu Lu ◽  
Shimeng Ye ◽  
Wanghuai Xu ◽  
...  

Nano Energy ◽  
2021 ◽  
pp. 106218
Author(s):  
Haojie Gu ◽  
Nan Zhang ◽  
Zhiyuan Zhou ◽  
Shimeng Ye ◽  
Wenjie Wang ◽  
...  

2021 ◽  
Vol 286 ◽  
pp. 116518
Author(s):  
Hongye Pan ◽  
Lingfei Qi ◽  
Zutao Zhang ◽  
Jinyue Yan

Author(s):  
Hieu Nguyen ◽  
Hamzeh Bardaweel

The work presented here investigates a unique design platform for multi-stable energy harvesting using only interaction between magnets. A solid cylindrical magnet is levitated between two stationary magnets. Peripheral magnets are positioned around the casing of the energy harvester to create multiple stable positions. Upon external vibration, kinetic energy is converted into electric energy that is extracted using a coil wrapped around the casing of the harvester. A prototype of the multi-stable energy harvester is fabricated. Monostable and bistable configurations are demonstrated and fully characterized in static and dynamic modes. Compared to traditional multi-stable designs the harvester introduced in this work is compact, occupies less volume, and does not require complex circuitry normally needed for multi-stable harvesters involving piezoelectric elements. At 2.5g [m/s2], results from experiment show that the bistable harvester does not outperform the monostable harvester. At this level of acceleration, the bistable harvester exhibits intrawell motion away from jump frequency. Chaotic motion is observed in the bistable harvester when excited close to jump frequency. Interwell motion that yields high displacement amplitudes and velocities is absent at this acceleration.


Author(s):  
Qian Zhang ◽  
Lei Gu ◽  
Ken Yang ◽  
Miah A Halim ◽  
Robert Rantz ◽  
...  

Author(s):  
Douglas A. Gemme ◽  
Steven P. Bastien ◽  
Raymond B. Sepe ◽  
John Montgomery ◽  
Stephan T. Grilli ◽  
...  

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