Gd5Si4-PVDF nanocomposite films and their potential for triboelectric energy harvesting applications

Harstad, S. M.; Zhao, P.; Soin, N.; El-Gendy, A. A.; Gupta, S.; Pecharsky, V. K.; Luo, J.; Hadimani, R. L.

doi:10.1063/1.5080116

Gd5Si4-PVDF nanocomposite films and their potential for triboelectric energy harvesting applications

Journal Article · Wed Mar 13 00:00:00 EDT 2019 · AIP Advances

DOI:https://doi.org/10.1063/1.5080116· OSTI ID:1503853

Harstad, S. M. ^[1]; Zhao, P. ^[2]; Soin, N. ^[2]; El-Gendy, A. A. ^[3]; Gupta, S. ^[4]; Pecharsky, V. K. ^[4]; Luo, J. ^[2]; ^[5]

Virginia Commonwealth Univ., Richmond, VA (United States)
Univ. of Bolton (United Kingdom)
Virginia Commonwealth Univ., Richmond, VA (United States); Univ. of Texas, El Paso, TX (United States)
Ames Lab., Ames, IA (United States)
Virginia Commonwealth Univ., Richmond, VA (United States); Iowa State Univ., Ames, IA (United States)

The triboelectric energy generators prepared using the combination of self-polarized, high β-phase nanocomposite films of Gd₅Si₄-PVDF and polyamide-6 (PA-6) films have generated significantly higher voltage of ~425 V, short-circuit current density of ~30 mA/m² and a charge density of ~116.7 μC/m² as compared to corresponding values of ~300 V, 30 mA/m² and 94.7 μC/m^2, respectively for the pristine PVDF-(PA-6) combination. The magnetic measurements of the Gd₅Si₄-PVDF films display a ferromagnetic behavior as compared to diamagnetic nature of pristine PVDF. The presence of magnetic nanoparticles in the polymeric matrix allows for some control over the microstructural properties during the preparation process. The results open new routes for multiferroic composite films to be suitable for multi-functional magnetic and triboelectric energy harvesting applications.

Research Organization:: Ames Lab., Ames, IA (United States)

Sponsoring Organization:: USDOE

Grant/Contract Number:: AC02-07CH11358

OSTI ID:: 1503853

Report Number(s):: IS-J--9920

Journal Information:: AIP Advances, Journal Name: AIP Advances Journal Issue: 3 Vol. 9; ISSN 2158-3226

Publisher:: American Institute of Physics (AIP)Copyright Statement

Country of Publication:: United States

Language:: English

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Magnetocaloric Effect of Micro- and Nanoparticles of Gd5Si4 Harstad, S. M.; El-Gendy, A. A.; Gupta, S. JOM, Vol. 71, Issue 9 https://doi.org/10.1007/s11837-019-03626-1	journal	July 2019