Three-Dimensional Printable Flexible Piezoelectric Composites with Energy Harvesting Features

The purpose of this work was to obtain an elastic composite material from polymer powders (polyurethane and polypropylene) with the addition of BaTiO until 35% with tailored dielectric and piezoelectric features. The filament extruded from the composite material was very elastic but had good feature...

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Bibliographic Details
Published in:Polymers 2023-05, Vol.15 (11), p.2548
Main Authors: Aradoaei, Mihaela, Ciobanu, Romeo C, Schreiner, Cristina, Paulet, Marius, Caramitu, Alina R, Pintea, Jana, Baibarac, Mihaela
Format: Article
Language:English
Subjects:
3-D printers
Barium titanates
Composite materials
Electric power production
Energy
Energy harvesting
Piezoelectricity
Polymers
Polyurethane resins
Prostheses
Sensors
Temperature
Thermoplastic composites
Three dimensional composites
Three dimensional printing
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Summary:The purpose of this work was to obtain an elastic composite material from polymer powders (polyurethane and polypropylene) with the addition of BaTiO until 35% with tailored dielectric and piezoelectric features. The filament extruded from the composite material was very elastic but had good features to be used for 3D printing applications. It was technically demonstrated that the 3D thermal deposition of composite filament with 35% BaTiO was a convenient process for achieving tailored architectures to be used as devices with functionality as piezoelectric sensors. Finally, the functionality of such 3D printable flexible piezoelectric devices with energy harvesting features was demonstrated, which can be used in various biomedical devices (as wearable electronics or intelligent prosthesis), generating enough energy to make such devices completely autonomous only by exploiting body movements at variable low frequencies.
ISSN:2073-4360
2073-4360
DOI:10.3390/polym15112548