A triboelectric
nanogenerator (TENG) based on natural seeds and
electrospun poly(vinyl difluoride) (PVDF) fibers is reported. The
nanofibers are specifically used to enhance the triboelectric effects.
A mustard (flax) seed based TENG renders an impressively high electrical
output with an average open circuit voltage of 84 V (126 V) and maximum
power density 334 mW m–2 (324 mW m–2) under an impact force of 40 N at 25 Hz. Basil seeds are relatively
weaker in power delivery. By comparing the seed crust properties and
TENG performances, we analyze the powering capability in terms of
the cellulose content in the crust, dielectric constant, and surface
morphological features.
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