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Energy harvesting study on single and multilayer ferroelectret foams under compressive force

Energy harvesting study on single and multilayer ferroelectret foams under compressive force
Energy harvesting study on single and multilayer ferroelectret foams under compressive force
Cellular polypropylene (PP) ferroelectret is a thin and flexible cellular polymer foam that generates electrical power under mechanical force. This work investigates single and multilayer ferroelectret PP foams and their potential to supply energy for human-body-worn sensors. Human foot-fall is emulated using an electrodynamic instrument, allowing applied compressive force and momentum to be correlated with energy output. Peak power, output pulse duration, and energy per strike is derived experimentally as a function of force and momentum, and shown to be a strong function of external load resistance, thus providing a clear maximum energy point. The possibility of increasing pulse time and reducing voltage to CMOS compatible levels at some expense of peak power is shown. To further increase the output power, multilayer ferroelectret is presented. The synchronized power generation of each layer is studied and illustrated using simulation, and results are supported by experiments. Finally, the energy output of single-layer and multi-layer ferroelectrets are compared by charging a capacitor via a rectifier. A ten-layer ferroelectret is shown to have charging ability 29.1 times better than that of the single-layer ferroelectret. It demonstrates energy output that is capable of powering the start-up and transmission of a typical low-power wireless sensor chipset
1360-1368
Luo, Zhenhua
eb242e50-a73e-474f-809f-4924cfed68c2
Zhu, Dibin
ec52eae1-39fa-427c-968b-e76089a464a6
Shi, Jujie
bdd2bb97-5af4-4086-9bb1-5f5a454ac104
Beeby, Steve
ba565001-2812-4300-89f1-fe5a437ecb0d
Zhang, Chunhong
cce36f3b-1878-49df-a416-b99bee45b543
Proynov, Plamen
bc25b4ae-f50c-457e-aa6e-696455797487
Stark, Bernard
e79fd494-4066-44ca-a158-39552991e932
Luo, Zhenhua
eb242e50-a73e-474f-809f-4924cfed68c2
Zhu, Dibin
ec52eae1-39fa-427c-968b-e76089a464a6
Shi, Jujie
bdd2bb97-5af4-4086-9bb1-5f5a454ac104
Beeby, Steve
ba565001-2812-4300-89f1-fe5a437ecb0d
Zhang, Chunhong
cce36f3b-1878-49df-a416-b99bee45b543
Proynov, Plamen
bc25b4ae-f50c-457e-aa6e-696455797487
Stark, Bernard
e79fd494-4066-44ca-a158-39552991e932

Luo, Zhenhua, Zhu, Dibin, Shi, Jujie, Beeby, Steve, Zhang, Chunhong, Proynov, Plamen and Stark, Bernard (2015) Energy harvesting study on single and multilayer ferroelectret foams under compressive force. IEEE Transactions on Dielectrics and Electrical Insulation, 22 (3), 1360-1368. (doi:10.1109/TDEI.2015.7116323).

Record type: Article

Abstract

Cellular polypropylene (PP) ferroelectret is a thin and flexible cellular polymer foam that generates electrical power under mechanical force. This work investigates single and multilayer ferroelectret PP foams and their potential to supply energy for human-body-worn sensors. Human foot-fall is emulated using an electrodynamic instrument, allowing applied compressive force and momentum to be correlated with energy output. Peak power, output pulse duration, and energy per strike is derived experimentally as a function of force and momentum, and shown to be a strong function of external load resistance, thus providing a clear maximum energy point. The possibility of increasing pulse time and reducing voltage to CMOS compatible levels at some expense of peak power is shown. To further increase the output power, multilayer ferroelectret is presented. The synchronized power generation of each layer is studied and illustrated using simulation, and results are supported by experiments. Finally, the energy output of single-layer and multi-layer ferroelectrets are compared by charging a capacitor via a rectifier. A ten-layer ferroelectret is shown to have charging ability 29.1 times better than that of the single-layer ferroelectret. It demonstrates energy output that is capable of powering the start-up and transmission of a typical low-power wireless sensor chipset

PDF Energy Harvesting of Polypropylene Ferroelectret.pdf - Accepted Manuscript
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Published date: June 2015
Organisations: EEE

Identifiers

Local EPrints ID: 378181
URI: https://eprints.soton.ac.uk/id/eprint/378181
PURE UUID: 3a80dd10-cef4-4f36-9417-a9a6d8f4a8ea
ORCID for Steve Beeby: ORCID iD orcid.org/0000-0002-0800-1759

Catalogue record

Date deposited: 29 Jun 2015 08:42
Last modified: 06 Jun 2018 13:07

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