Flexible composite films with enhanced piezoelectric properties for energy harvesting and wireless ultrasound-powered technology
Аутори
Craciun, FlorianaCordero, Francesco
MERCADELLI, ELISA
Ilić, Nikola
Galassi, Carmen
Baldisserri, Carlo
Bobić, Jelena
Stagnaro, Paola
Canu, Giovanna
Buscaglia, Maria Teresa
Džunuzović, Adis
Vijatović Petrović, Mirjana
Чланак у часопису (Објављена верзија)
Метаподаци
Приказ свих података о документуАпстракт
In the last years, ultrasound energy harvesting has emerged as the most promising technique for wireless power supply of implanted medical devices. These devices require flexible piezoelectric materials with high piezoelectric response in the ultrasonic range. Here we report on bio-compatible NBT-BT/PVDF flexible composites, with variable filler content up to 50 vol%, prepared by a properly designed and optimized process, which incorporates in a complex connectivity pattern fully sintered NBT-BT crystalline powders in a PVDF matrix. The dielectric constant of the flexible composites increased from 10 of pure PVDF polymer to 110 of composite films with 50 vol% NBT-BT content, while the high frequency piezoelectric d33 constant increased from 0.2 pC/N to 33 pC/N for the same samples. The composite with 50 vol% NBT-BT exhibits the figure of merit for the harvested ultrasound energy d33g33 ≅ 1.54 × 10−12 m3/J, which is comparable to the figure of merit for the NBT-BT piezoelectric ceramic ...(1.8 × 10−12 m3/J) and higher than other reported results for random composites. Based on these results, this study provides an easy method to fabricate random flexible piezoelectric composites with enhanced high frequency piezoelectric response and high energy density harvested from an ultrasound source.
Кључне речи:
Polymer-matrix composites / Multifunctional composites / Electrical properties / Mechanical propertiesИзвор:
Composites Part B: Engineering, 2023, 263, 110835-Издавач:
- Elsevier Ltd
Институција/група
Institut za multidisciplinarna istraživanjaTY - JOUR AU - Craciun, Floriana AU - Cordero, Francesco AU - MERCADELLI, ELISA AU - Ilić, Nikola AU - Galassi, Carmen AU - Baldisserri, Carlo AU - Bobić, Jelena AU - Stagnaro, Paola AU - Canu, Giovanna AU - Buscaglia, Maria Teresa AU - Džunuzović, Adis AU - Vijatović Petrović, Mirjana PY - 2023 UR - http://rimsi.imsi.bg.ac.rs/handle/123456789/2125 AB - In the last years, ultrasound energy harvesting has emerged as the most promising technique for wireless power supply of implanted medical devices. These devices require flexible piezoelectric materials with high piezoelectric response in the ultrasonic range. Here we report on bio-compatible NBT-BT/PVDF flexible composites, with variable filler content up to 50 vol%, prepared by a properly designed and optimized process, which incorporates in a complex connectivity pattern fully sintered NBT-BT crystalline powders in a PVDF matrix. The dielectric constant of the flexible composites increased from 10 of pure PVDF polymer to 110 of composite films with 50 vol% NBT-BT content, while the high frequency piezoelectric d33 constant increased from 0.2 pC/N to 33 pC/N for the same samples. The composite with 50 vol% NBT-BT exhibits the figure of merit for the harvested ultrasound energy d33g33 ≅ 1.54 × 10−12 m3/J, which is comparable to the figure of merit for the NBT-BT piezoelectric ceramic (1.8 × 10−12 m3/J) and higher than other reported results for random composites. Based on these results, this study provides an easy method to fabricate random flexible piezoelectric composites with enhanced high frequency piezoelectric response and high energy density harvested from an ultrasound source. PB - Elsevier Ltd T2 - Composites Part B: Engineering T1 - Flexible composite films with enhanced piezoelectric properties for energy harvesting and wireless ultrasound-powered technology SP - 110835 VL - 263 DO - 10.1016/j.compositesb.2023.110835 ER -
@article{ author = "Craciun, Floriana and Cordero, Francesco and MERCADELLI, ELISA and Ilić, Nikola and Galassi, Carmen and Baldisserri, Carlo and Bobić, Jelena and Stagnaro, Paola and Canu, Giovanna and Buscaglia, Maria Teresa and Džunuzović, Adis and Vijatović Petrović, Mirjana", year = "2023", abstract = "In the last years, ultrasound energy harvesting has emerged as the most promising technique for wireless power supply of implanted medical devices. These devices require flexible piezoelectric materials with high piezoelectric response in the ultrasonic range. Here we report on bio-compatible NBT-BT/PVDF flexible composites, with variable filler content up to 50 vol%, prepared by a properly designed and optimized process, which incorporates in a complex connectivity pattern fully sintered NBT-BT crystalline powders in a PVDF matrix. The dielectric constant of the flexible composites increased from 10 of pure PVDF polymer to 110 of composite films with 50 vol% NBT-BT content, while the high frequency piezoelectric d33 constant increased from 0.2 pC/N to 33 pC/N for the same samples. The composite with 50 vol% NBT-BT exhibits the figure of merit for the harvested ultrasound energy d33g33 ≅ 1.54 × 10−12 m3/J, which is comparable to the figure of merit for the NBT-BT piezoelectric ceramic (1.8 × 10−12 m3/J) and higher than other reported results for random composites. Based on these results, this study provides an easy method to fabricate random flexible piezoelectric composites with enhanced high frequency piezoelectric response and high energy density harvested from an ultrasound source.", publisher = "Elsevier Ltd", journal = "Composites Part B: Engineering", title = "Flexible composite films with enhanced piezoelectric properties for energy harvesting and wireless ultrasound-powered technology", pages = "110835", volume = "263", doi = "10.1016/j.compositesb.2023.110835" }
Craciun, F., Cordero, F., MERCADELLI, E., Ilić, N., Galassi, C., Baldisserri, C., Bobić, J., Stagnaro, P., Canu, G., Buscaglia, M. T., Džunuzović, A.,& Vijatović Petrović, M.. (2023). Flexible composite films with enhanced piezoelectric properties for energy harvesting and wireless ultrasound-powered technology. in Composites Part B: Engineering Elsevier Ltd., 263, 110835. https://doi.org/10.1016/j.compositesb.2023.110835
Craciun F, Cordero F, MERCADELLI E, Ilić N, Galassi C, Baldisserri C, Bobić J, Stagnaro P, Canu G, Buscaglia MT, Džunuzović A, Vijatović Petrović M. Flexible composite films with enhanced piezoelectric properties for energy harvesting and wireless ultrasound-powered technology. in Composites Part B: Engineering. 2023;263:110835. doi:10.1016/j.compositesb.2023.110835 .
Craciun, Floriana, Cordero, Francesco, MERCADELLI, ELISA, Ilić, Nikola, Galassi, Carmen, Baldisserri, Carlo, Bobić, Jelena, Stagnaro, Paola, Canu, Giovanna, Buscaglia, Maria Teresa, Džunuzović, Adis, Vijatović Petrović, Mirjana, "Flexible composite films with enhanced piezoelectric properties for energy harvesting and wireless ultrasound-powered technology" in Composites Part B: Engineering, 263 (2023):110835, https://doi.org/10.1016/j.compositesb.2023.110835 . .