Table · dataset · 2026
Sustainable Poly(ethylene furanoate)/Recycled PET Electrospun Blend Membranes for Human-Motion Triboelectric Energy Harvesting
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Triboelectric nanogenerators (TENGs) using bio-based or recycled-polymer tribolayers offer a sustainable approach to energy harvesting.
Description
This work reports TENGs comprising electrospun nanofibrous membrane (ENM) tribolayers produced from bio-based poly(ethylene furanoate) (PEF) and recycled poly(ethylene terephthalate) (rPET). All nanofibrous membranes showed bead-free and smooth fibrous morphology.
The PEF ENM showed the smallest fiber diameter (230 ± 10 nm), whereas the PEF/rPET blend ENM exhibited an intermediate average fiber diameter of 244 ± 13 nm and the most uniform fiber distribution. Stabilizing intermolecular interactions within the PEF/rPET blend contributed to its chemical, thermal, and mechanical stability. The single, merged glass transition temperature (<i>T</i><sub>g</sub>) of the PEF/rPET membrane and the favorable miscibility parameter (Δδ ≤ 5 MPa<sup>1/2</sup>) supported substantial miscibility between the amorphous phases of the two polymers.
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Compared with rPET, the bio-based PEF TENG exhibited an 11-fold increase in peak-to-peak voltage, reaching 11.4 V at 100 N and 20 Hz. The optimized PEF/rPET ENM-based TENG produced the highest output of 33.8 V and 2.4 μA at 100 N and 20 Hz, achieved a maximum power density of approximately 140 mW/m<sup>2</sup> at 10 MΩ, and effectively charged commercially available capacitors. The optimized TENG harvested energy from and detected various human motions, with a maximum peak-to-peak voltage of 400 V generated by finger tapping.
Moreover, the voltage generated by the TENG was sufficient to illuminate 15 commercial blue LEDs. Thus, the developed PEF and PEF/rPET ENM-based tribolayers provide a promising pathway toward sustainable TENG fabrication and energy harvesting.
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- DOI doi.org/10.1021/acsapm.6c02325.s002 ↗
DOI / persistent id · from figshare com
Catalogue records · 1
- OAI-PMH record api.figshare.com/v2/oai?verb=GetRecord&metadataPrefix=oai_dc&identifier=oai%3Af… ↗
metadata API · from figshare com
Topics
Provenance · 1 source records, 20 field assertions
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