Advanced Materials Technologies,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 12, 2024
Abstract
Ocean
wave
energy
is
one
of
the
most
promising
green
energies
in
wild.
However,
it
still
challenging
to
effectively
collect
due
its
randomness
and
irregularity.
In
this
work,
a
kelp
inspired
high‐power
density
triboelectric
nanogenerator
(K‐TENG)
presented
for
harvesting
with
characteristics
multiple
directions.
The
proposed
K‐TENG
consists
series
stacked
leaf‐like
units.
influence
configuration
parameters,
including
pellet
diameters,
numbers,
unit
sizes,
oscillation
frequency,
swing
amplitude,
directions
on
output
performances
units,
are
extensively
investigated.
Experimental
data
indicates
that
single
can
achieve
maximum
voltage
623.14
V
as
well
current
1.48
µA
realize
from
different
A
composed
15
units
demonstrates
18.77
W
m
−
3
at
frequency
2.5
Hz,
which
successfully
powers
digital
watch
414
light‐emitting
diodes
(LEDs).
This
work
hoped
provide
simple
reliable
route
harvest
ocean
energy.
Micro and Nano Systems Letters,
Год журнала:
2025,
Номер
13(1)
Опубликована: Апрель 12, 2025
Abstract
Omnidirectional
wind
energy
harvesting
has
gained
increasing
attention
as
a
means
of
harnessing
the
inherently
variable
and
multidirectional
flows
encountered
in
real-world
environments.
Triboelectric
nanogenerators
(TENGs),
which
leverage
contact
electrification
electrostatic
induction
to
convert
mechanical
motion
into
electrical
power,
are
particularly
well-suited
for
such
applications
due
their
ability
operate
effectively
under
low-speed
intermittent
conditions.
In
this
review,
we
first
outline
fundamental
triboelectric
processes
operating
modes
that
underpin
TENG
functionality,
emphasizing
how
low
inertia
high-voltage
outputs
make
them
compatible
with
wide
range
profiles.
We
then
discuss
three
predominant
device
classifications—rotary,
aeroelastic,
rolling-based—highlighting
distinct
configurations
capacities
omnidirectional
capture.
Key
examples
illustrate
strategically
designed
rotor
geometries,
flutter-driven
films,
rolling
elements
can
maximize
contact–separation
events
enhance
generation
complex
airflow
patterns.
Finally,
examine
major
obstacles
faced
by
TENG-based
harvesters,
including
durability,
hybrid
system
design,
intelligent
power
management.
Strategies
overcome
these
barriers
involve
wear-resistant
materials,
adaptive
architectures,
advanced
circuitry,
offering
solutions
feasible
micro-
or
off-grid
scenarios.
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 17, 2025
Abstract
With
the
rapid
development
of
intelligent
transportation
systems
(ITS),
real‐time
monitoring
vehicle
motion
state
(sharp
deceleration,
sharp
turn,
etc.)
is
very
important
to
improve
road
traffic
safety
and
efficiency.
However,
existing
methods
rely
heavily
on
high‐cost
equipment
additional
power
supply
requirements.
Therefore,
this
paper
proposed
a
gyroscope‐inspired
triboelectric
three‐axis
acceleration
sensor
(GTTAS)
for
monitoring.
The
GTTAS
utilizes
structural
characteristics
gyroscope
efficiently
integrate
horizontal
sensing
unit
(HASU)
vertical
(VASU)
realize
three
orthogonal
axis
accelerations.
Meanwhile,
adopting
soft
contact
non‐contact
electrode
arrangement,
can
work
effectively
in
low
range.
experimental
results
show
that
shows
good
fitting
relationship
range
1–15
m
−1
s
2
3.5–30
.
In
addition,
has
ability
pitch
roll
angles.
Finally,
system
constructed,
strategy
early
warning
presented.
This
provides
an
effective
solution
preventing
accidents
demonstrates
potential
wide
application
systems.
Journal of Materials Chemistry C,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
To
address
the
performance
degradation
of
flexible
conductive
materials
and
poor
fatigue
resistance
in
traditional
triboelectric
nanogenerators
(F-TENGs)
at
low
temperatures,
a
novel
low-temperature
F-TENG
was
developed.
