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- Title
Lead-Free Bi 3.15 Nd 0.85 Ti 3 O 12 Nanoplates Filler-Elastomeric Polymer Composite Films for Flexible Piezoelectric Energy Harvesting.
- Authors
Qin, Wancheng; Zhou, Peng; Qi, Yajun; Zhang, Tianjin
- Abstract
Nowadays, wearable and flexible nanogenerators are of great importance for portable personal electronics. A flexible piezoelectric energy harvester (f-PEH) based on Bi3.15Nd0.85Ti3O12 single crystalline nanoplates (BNdT NPs) and polydimethylsiloxane (PDMS) elastomeric polymer was fabricated, and high piezoelectric energy harvesting performance was achieved. The piezoelectric output performance is highly dependent on the mass ratio of the BNdT NPs in the PDMS matrix. The as-prepared f-PEH with 12.5 wt% BNdT NPs presents the highest output voltage of 10 V, a peak-peak short-circuit current of 1 μA, and a power of 1.92 μW under tapping mode of 6.5 N at 2.7 Hz, which can light up four commercial light emitting diodes without the energy storage process. The f-PEHs can be used to harvest daily life energy and generate a voltage of 2–6 V in harvesting the mechanical energy of mouse clicking or foot stepping. These results demonstrate the potential application of the lead-free BNdT NPs based f-PEHs in powering wearable electronics
- Subjects
ENERGY harvesting; POLYMER films; MECHANICAL energy; TUNGSTEN alloys; LIGHT emitting diodes; ENERGY storage
- Publication
Micromachines, 2020, Vol 11, Issue 11, p966
- ISSN
2072-666X
- Publication type
Article
- DOI
10.3390/mi11110966