Yang, Xiaoya ; Ma, Xingchen ; Ding, Chuan ; Sessler, Gerhard M. ; Seggern, Heinz von ; Kupnik, Mario ; Dai, Ying ; He, Pengfei ; Zhang, Xiaoqing (2023)
Resilient electret film-based vibrational energy harvesters with a V-shaped counter electrode.
In: IET Nanodielectrics, 6 (2)
doi: 10.1049/nde2.12040
Article, Bibliographie
This is the latest version of this item.
Abstract
Vibrational energy harvesters, which can convert mechanical energy distributed widely in the surrounding environment to electrical energy in a convenient, eco-friendly and sustainable way, have attracted great attention in both academia and industry. In this study, a resilient electret film-based vibrational energy harvester with a V-shaped counter electrode is introduced, simulated and constructed. A negatively charged fluorinated polyethylene propylene (FEP) electret film with a wavy shape was adopted in the devices, achieving simultaneously a stable embedded biased voltage and a large tensile deformation during vibration. The influences of the factors on the performance of the device, including the initial stretching state of the resilient electret film, seismic mass and depth of the V-shape counter electrode, were analyzed comprehensively with finite element simulation and compared to experiments. Further, the structure of the device was optimised for generating a high output power, and a good agreement between the simulation and experimental data was achieved. Additionally, the resonant frequency of the device can be easily tuned between 28 and 68 Hz by merely adjusting the initial stretching state of the wavy FEP electret film, guaranteeing great superiority for broad bandwidth energy harvesting applications. For an optimised energy harvester with a volume of only 15 × 5 × 1.7 mm³ and a tiny seismic mass of 25 mg, and a normalized output power referring to 1 × g (g is the gravity of the Earth) up to 547 μW was obtained at its resonant frequency of 28 Hz. These results demonstrate that such a miniaturised vibrational energy harvester is a promising electrical energy supplier for low-power-consumption electronic devices, in particular in wireless sensor networks.
| Item Type: | Article |
|---|---|
| Erschienen: | 2023 |
| Creators: | Yang, Xiaoya ; Ma, Xingchen ; Ding, Chuan ; Sessler, Gerhard M. ; Seggern, Heinz von ; Kupnik, Mario ; Dai, Ying ; He, Pengfei ; Zhang, Xiaoqing |
| Type of entry: | Bibliographie |
| Title: | Resilient electret film-based vibrational energy harvesters with a V-shaped counter electrode |
| Language: | English |
| Date: | 11 January 2023 |
| Place of Publication: | Hoboken, NJ |
| Publisher: | Wiley |
| Journal or Publication Title: | IET Nanodielectrics |
| Volume of the journal: | 6 |
| Issue Number: | 2 |
| DOI: | 10.1049/nde2.12040 |
| Corresponding Links: | |
| Abstract: | Vibrational energy harvesters, which can convert mechanical energy distributed widely in the surrounding environment to electrical energy in a convenient, eco-friendly and sustainable way, have attracted great attention in both academia and industry. In this study, a resilient electret film-based vibrational energy harvester with a V-shaped counter electrode is introduced, simulated and constructed. A negatively charged fluorinated polyethylene propylene (FEP) electret film with a wavy shape was adopted in the devices, achieving simultaneously a stable embedded biased voltage and a large tensile deformation during vibration. The influences of the factors on the performance of the device, including the initial stretching state of the resilient electret film, seismic mass and depth of the V-shape counter electrode, were analyzed comprehensively with finite element simulation and compared to experiments. Further, the structure of the device was optimised for generating a high output power, and a good agreement between the simulation and experimental data was achieved. Additionally, the resonant frequency of the device can be easily tuned between 28 and 68 Hz by merely adjusting the initial stretching state of the wavy FEP electret film, guaranteeing great superiority for broad bandwidth energy harvesting applications. For an optimised energy harvester with a volume of only 15 × 5 × 1.7 mm³ and a tiny seismic mass of 25 mg, and a normalized output power referring to 1 × g (g is the gravity of the Earth) up to 547 μW was obtained at its resonant frequency of 28 Hz. These results demonstrate that such a miniaturised vibrational energy harvester is a promising electrical energy supplier for low-power-consumption electronic devices, in particular in wireless sensor networks. |
| Uncontrolled Keywords: | resilient electret film, tunable resonant frequency, V‐shaped counter electrode, vibrational energy harvesting |
| Classification DDC: | 600 Technology, medicine, applied sciences > 621.3 Electrical engineering, electronics |
| Divisions: | 11 Department of Materials and Earth Sciences 11 Department of Materials and Earth Sciences > Material Science 18 Department of Electrical Engineering and Information Technology 18 Department of Electrical Engineering and Information Technology > Measurement and Sensor Technology |
| Date Deposited: | 11 Sep 2024 08:54 |
| Last Modified: | 11 Sep 2024 12:45 |
| PPN: | 521333601 |
| Export: | |
| Suche nach Titel in: | TUfind oder in Google |
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Resilient electret film-based vibrational energy harvesters with a V-shaped counter electrode. (deposited 10 Sep 2024 12:30)
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