Design optimization of an out-of-plane gap-closing electrostatic Vibration Energy Harvester (VEH) with a limitation on the output voltage

2011 ◽  
Vol 71 (1) ◽  
pp. 39-47 ◽  
Author(s):  
R. Guillemet ◽  
P. Basset ◽  
D. Galayko ◽  
T. Bourouina
Keyword(s):  
Design Optimization ◽  
Output Voltage ◽  
Energy Harvester ◽  
Vibration Energy ◽  
Vibration Energy Harvester ◽  
Out Of Plane ◽  
Gap Closing

Out-of-plane Gap Closing Electrostatic Vibration Energy Harvester

2021 ◽  
Author(s):  
Valery P. Dragunov ◽  
Dmitriy I. Ostertak ◽  
Konstantin G. Pelmenev ◽  
Vitaly Yu. Dorzhiev
Keyword(s):  
Energy Harvester ◽  
Vibration Energy ◽  
Vibration Energy Harvester ◽  
Out Of Plane ◽  
Gap Closing

scholarly journals A Pendulum-Like Low Frequency Electromagnetic Vibration Energy Harvester Based on Polymer Spring and Coils

Polymers ◽  
2021 ◽  
Vol 13 (19) ◽  
pp. 3380
Author(s):  
Yunjia Li ◽  
Xinyi Wang ◽  
Shuhan Zhang ◽  
Chenyuan Zhou ◽  
Dayong Qiao ◽  
...  
Keyword(s):  
Resonant Frequency ◽  
Output Voltage ◽  
Degrees Of Freedom ◽  
Energy Harvester ◽  
Vibrational Energy ◽  
Low Frequency ◽  
Open Circuit ◽  
Vibration Energy ◽  
Vibration Energy Harvester ◽  
Circuit Output

This paper presents a low-frequency electromagnetic vibrational energy harvester (EVEH) with two degrees of freedom and two resonant modes. The proposed EVEH is based on a disc magnet suspended in a pendulum fashion by a polymeric spring between two sets of polymer coil stacks. The fabricated EVEH is capable of harvesting vibration energy on two directions with an extended bandwidth. With a sinusoidal acceleration of ±1 g on Z direction, a peak-to-peak closed-circuit output voltage of 0.51 V (open-circuit voltage: 1 V), and an output power of 35.1 μW are achieved at the resonant frequency of 16 Hz. With a sinusoidal acceleration of ±1.5 g on X direction, a peak-to-peak output voltage of 0.14 V and power of 2.56 μW are achieved, at the resonant frequency of 20 Hz.

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