A Novel Arch-Shape Nanogenerator Based on Piezoelectric and Triboelectric Mechanism for Mechanical Energy Harvesting
AbstractA simple and cost-effective approach was developed to fabricate piezoelectric and triboelectric nanogenerator (P-TENG) with high electrical output. Additionally, pyramid micro structures fabricated atop a polydimethylsiloxane (PDMS) surface were employed to enhance the device performance. Furthermore, piezoelectric barium titanate (BT) nanoparticles and multiwalled carbon nanotube (MWCNT) were mixed in the PDMS film during the forming process. Meanwhile, the composition of the film was optimized to achieve output performance, and favorable toughness was achieved after thermal curing. An arch-shape ITO/PET electrode was attached to the upper side of the polarized composite film and an aluminum film was placed under it as the bottom electrode. With periodic external force at 20 Hz, electrical output of this P-TENG, reached a peak voltage of 22 V and current of 9 μA with a peak current density of 1.13 μA/cm2, which was six times that of the triboelectric generator without BT and MWCNT nanoparticles. The nanogenerator can be directly used to lighten 28 commercial light-emitting diodes (LEDs) without any energy storage unit or rectification circuit under human footfalls. View Full-Text
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Xue, C.; Li, J.; Zhang, Q.; Zhang, Z.; Hai, Z.; Gao, L.; Feng, R.; Tang, J.; Liu, J.; Zhang, W.; Sun, D. A Novel Arch-Shape Nanogenerator Based on Piezoelectric and Triboelectric Mechanism for Mechanical Energy Harvesting. Nanomaterials 2015, 5, 36-46.
Xue C, Li J, Zhang Q, Zhang Z, Hai Z, Gao L, Feng R, Tang J, Liu J, Zhang W, Sun D. A Novel Arch-Shape Nanogenerator Based on Piezoelectric and Triboelectric Mechanism for Mechanical Energy Harvesting. Nanomaterials. 2015; 5(1):36-46.Chicago/Turabian Style
Xue, Chenyang; Li, Junyang; Zhang, Qiang; Zhang, Zhibo; Hai, Zhenyin; Gao, Libo; Feng, Ruiting; Tang, Jun; Liu, Jun; Zhang, Wendong; Sun, Dong. 2015. "A Novel Arch-Shape Nanogenerator Based on Piezoelectric and Triboelectric Mechanism for Mechanical Energy Harvesting." Nanomaterials 5, no. 1: 36-46.