Oct 2026· Journal of Applied Polymer Science· 0 citations· 48 references
Abstract
In this study, we assess the piezoelectric performance of poly(vinylidene fluoride) (PVDF) nanocomposite fibers incorporating a hybrid Barium titanate‐Titanium dioxide (BTO‐TiO
2
) filler. The 1 wt% PVDF/BTO‐TiO
2
electrospun fiber mat yields a maximum peak‐to‐peak output voltage (V
pp
) of 5.47 V and a current of 1.823 μA under tapping, resulting in a maximum instantaneous output power density of 2.49 μWcm
−2
at 3 MΩ load. A pressing mode using two fingers generates a smaller voltage of 0.36 V. Furthermore, manually twisted piezoelectric nanogenerator yarns (PENGYs) were fabricated from electrospun fibers to evaluate their energy generation. The 1% PVDF/BTO‐TiO
2
PENGY exhibits V
pp
of 2.5 V and a current of 0.833 μA under finger tapping, with an output power density of 0.221 μW cm
−2
. This work demonstrates a novel low‐energy method to create functional piezoelectric yarns using hybrid BTO‐TiO
2
nanofillers, highlighting the potential of the developed yarn architecture for future investigation in textile‐integrated energy‐harvesting systems.
One‐dimensional relaxor ferroelectric nanofiller can enhance the dielectric properties of polyvinylidene fluoride (PVDF)‐based composite films. However, the impact of fiber morphology on these properties is unclear, with existing studies lacking systematic investigation. In this work, BaZr
0.2
Ti
0.8
O
3
nano...
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2
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2
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2
incorporation, and stacking compaction f...
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