Hybrid Nanogenerator Harvesting Electric‐Field and Wind Energy for Self‐Powered Sensors on High‐Voltage Transmission Lines
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 8, 2024
Abstract
Triboelectric
nanogenerators
(TENGs)
show
potential
for
powering
distributed
sensors
in
the
smart
grids.
However,
most
studies
on
TENG's
applications
energy
harvesting
from
transmission
lines
primarily
focus
vibration
and
wind
energy,
neglecting
abundant
electric‐field
systems.
This
study
proposes
a
triboelectric‐electrostatic
hybrid
harvester
(TEHEH)
that
integrates
triboelectric
nanogenerator
with
an
(EFEH)
to
simultaneously
capture
surroundings
of
lines.
The
TENG
EFEH
can
generate
open‐circuit
voltages
1280
2800
V,
respectively,
output
powers
14.3
28.9
mW.
Hybrid
achieves
average
power
6.1
times
2.4
EFEH,
demonstrating
its
superiority.
dual‐channel
management
circuit,
utilizing
gas
discharge
tube
LTC‐3588,
enables
effectively
wireless
sensor
node,
practicality
complex
environments
work
offers
robust
technical
support
development
self‐powered
monitoring
devices
high‐voltage
Язык: Английский
Advancing Nanogenerators: The Role of 3D-Printed Nanocomposites in Energy Harvesting
Polymers,
Год журнала:
2025,
Номер
17(10), С. 1367 - 1367
Опубликована: Май 16, 2025
Nanogenerators
have
garnered
significant
scholarly
interest
as
a
groundbreaking
approach
to
energy
harvesting,
encompassing
applications
in
self-sustaining
electronics,
biomedical
devices,
and
environmental
monitoring.
The
rise
of
additive
manufacturing
has
fundamentally
transformed
the
production
processes
nanocomposites,
allowing
for
detailed
design
refinement
materials
aimed
at
optimizing
generation.
This
review
presents
comprehensive
analysis
3D-printed
nanocomposites
context
nanogenerator
applications.
By
employing
layer-by-layer
deposition,
multi-material
integration,
custom
microstructural
architectures,
exhibit
improved
mechanical
properties,
superior
conversion
efficiency,
increased
structural
complexity
when
compared
their
conventionally
manufactured
counterparts.
Polymers,
particularly
those
with
inherent
dielectric,
piezoelectric,
or
triboelectric
characteristics,
serve
critical
functional
matrices
these
composites,
offering
flexibility,
processability,
compatibility
diverse
nanoparticles.
In
particular,
careful
regulation
nanoparticle
distribution
3D
printing
significantly
enhances
piezoelectric
functionalities,
resulting
higher
output
greater
consistency.
Recent
investigations
into
three-dimensional-printed
nanogenerators
reveal
extraordinary
outputs,
peak
voltages
much
120
V
BaTiO3-PVDF
densities
surpassing
3.5
mJ/cm2,
effective
d33
values
attaining
35
pC/N,
thereby
emphasizing
transformative
influence
on
performance
harvesting.
Furthermore,
scalability
cost-effectiveness
provide
substantial
benefits
by
reducing
material
waste
streamlining
multi-phase
processing.
Nonetheless,
despite
advantages,
challenges
such
resilience,
long-term
durability,
fine-tuning
parameters
remain
hurdles
widespread
adoption.
assessment
highlights
potential
advancing
technology
offers
valuable
insights
future
research
directions
developing
high-efficiency,
sustainable,
scalable
energy-harvesting
systems.
Язык: Английский
Enhance Charge Transfer and Reduce Internal Resistance for Triboelectric Nanogenerator via Switching Charge Shuttling
Advanced Energy Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 23, 2024
Abstract
Traditional
triboelectric
nanogenerators
(TENGs)
face
significant
challenges
related
to
low
charge
density
and
high
internal
impedance.
Many
methods
have
been
proposed
enhance
the
surface
of
TENGs,
yet
they
do
not
simultaneously
achieve
resistance.
Here,
a
switch‐shuttling
nanogenerator
(SS‐TENG)
is
proposed.
By
periodically
interrupting
circuit
during
intrinsic
capacitance
variation
TENG
shuttle
process,
SS‐TENG
alters
potential
difference
while
maintaining
constant
in
capacitor,
thereby
enhancing
energy
storage
improving
overall
output
performance.
The
rapid
activation
switch
significantly
reduces
Compared
traditional
transfer
amount
increases
by
1.9
times,
short‐circuit
current
rises
9.6
with
resistance
reduced
factor
20.
Furthermore,
prototype
novel
cylindrical‐hexagram
bluff
body
(CHB)
vortex‐induced
vibration
harvester
based
on
designed
tested,
demonstrating
its
ability
reliably
harvest
from
underwater
tidal
flows
wave
energy.
Additionally,
self‐powered
marine
pollution
detection
strategy
has
developed
using
SS‐TENG.
This
work
provides
valuable
insights
for
performance
TENGs
actively
promotes
their
commercialization.
Язык: Английский