Micropower Generators and Sensors Based on Piezoelectric Polypropylene PP and Polyvinylidene Fluoride PVDF Films - Energy Harvesting from Walking

Ewa Klimiec; Krzysztof Zaraska; Wiesław Zaraska; Szymon Kuczyński

doi:10.4028/www.scientific.net/AMM.110-116.1245

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 110-116Micropower Generators and Sensors Based on...

Micropower Generators and Sensors Based on Piezoelectric Polypropylene PP and Polyvinylidene Fluoride PVDF Films - Energy Harvesting from Walking

Abstract:

This paper presents investigation of piezoelectric proprieties of polypropylene PP and polyvinylidene fluoride PVDF films at an angle of their application as micropower generators and foot pressure sensors in walking process. Obtaind micropower from single layer is about 1.7W and 5.3W for polypropylene film and about 1.7W and 3.3W for polyvinylidene fluoride film. Obtained voltage from single film layer is 8.9V to 14V for PP film and 2 to 3.4V for PVDF film. Obtained micropower from piezoelectric film and course character of voltage in function of time during walking process, depends from used film and shoe insole construction, where active element was sandwich. Recived data record of voltage, power and foot movement images from measuring system, can be use in dynamic investigations of posture defects.

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Periodical:

Applied Mechanics and Materials (Volumes 110-116)

Pages:

1245-1251

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.110-116.1245

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Online since:

October 2011

Authors:

Ewa Klimiec, Krzysztof Zaraska, Wiesław Zaraska, Szymon Kuczyński

Keywords:

Energy Harvesting, Micropower Generators, Piezopolymers, Sensor

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