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 Materials,
Год журнала:
2024,
Номер
36(52)
Опубликована: Март 22, 2024
Abstract
Triboelectric
nanogenerator
(TENG)
manifests
distinct
advantages
such
as
multiple
structural
selectivity,
diverse
selection
of
materials,
environmental
adaptability,
low
cost,
and
remarkable
conversion
efficiency,
which
becomes
a
promising
technology
for
micro‐nano
energy
harvesting
self‐powered
sensing.
Tribo‐dielectric
materials
are
the
fundamental
core
components
high‐performance
TENGs.
In
particular,
charge
generation,
dissipation,
storage,
migration
dielectrics,
dynamic
equilibrium
behaviors
determine
overall
performance.
Herein,
comprehensive
summary
is
presented
to
elucidate
dielectric
transport
mechanism
tribo‐dielectric
material
modification
principle
toward
The
contact
electrification
started
first,
followed
by
introducing
basic
Subsequently,
mechanisms
strategies
highlighted
regarding
physical/chemical,
surface/bulk,
coupling,
structure
optimization.
Furthermore,
representative
applications
based
TENGs
power
sources,
sensors
demonstrated.
existing
challenges
potential
opportunities
advanced
outlined,
guiding
design,
fabrication,
materials.
Advanced Energy Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Июнь 6, 2024
Abstract
In
the
environment,
there
is
an
abundance
of
gust
energy
which
challenging
to
harvest
with
conventional
rotating
wind
turbines,
such
as
gusts
generated
by
passing
vehicles
along
roadsides.
Addressing
irregular
and
low‐frequency
characteristics
gusts,
a
bladeless
turbine
triboelectric
nanogenerator
(BWT‐TENG)
enhanced
aerodynamic
performance
proposed,
enabling
effective
harvesting
random
energy.
First,
cylindrical
bluff
body
shape
designed,
its
principles
under
gust‐driven
conditions
are
elucidated
through
computational
fluid
dynamics
method.
Subsequently,
parameter
optimization
conducted
for
multilayered
TENG.
Systematic
experiments
demonstrated
that
BWT‐TENG
achieved
peak
power
density
4.08
W
m
−3
driven
10
s
−1
,
can
even
operate
at
frequencies
low
0.1
Hz.
Finally,
showcased
powering
warning
light
in
simulated
rainfall
environment
from
real
roadside
wireless
gyroscopic
sensors,
thereby
achieving
self‐powered
structural
health
monitoring
roads
or
bridges.
This
work
provides
novel
strategy
utilizing
TENGs
environmental
demonstrates
vast
potential
field
monitoring.
ACS Applied Nano Materials,
Год журнала:
2024,
Номер
7(8), С. 8407 - 8423
Опубликована: Апрель 4, 2024
Triboelectric
nanogenerators
(TENGs)
developed
from
eco-friendly
natural
materials
rather
than
traditional
electronic
are
more
favorable
for
biocompatible
applications
and
use
in
sustainable
life-cycle
analysis.
Silk
fibroin
(SF)
has
emerged
as
an
abundant
biomaterial
that
shows
great
potential
the
preparation
of
TENGs.
Silk-based
triboelectric
(SF-TENGs)
have
green
energy
harvesting
properties,
environmentally
friendly,
biocompatible,
not
fully
present
conventional
TENGs,
important
next
generation
self-powered
devices.
In
this
review,
latest
progress
SF-TENGs,
including
their
applied
materials,
structural
manufacturing
processes,
application
scenarios,
is
discussed.
These
SF-TENGs
show
emerging
well
smart
living
medical
assistance.
addition,
value
been
further
explored,
possibility
main
challenges
expanding
applying
to
field
microneedles
(MNs)
Advanced Sensor Research,
Год журнала:
2024,
Номер
unknown
Опубликована: Июнь 17, 2024
Abstract
Sensors
play
a
crucial
role
in
enhancing
the
quality
of
life,
ensuring
safety,
and
facilitating
technological
advancements.
Over
past
decade,
2D
layered
materials
have
been
added
as
new
sensing
element
addition
to
existing
such
metal
oxides,
semiconductors,
metals,
polymers.
Layered
are
typically
characterized
by
their
single
or
few‐layer
thickness
offer
high
surface‐to‐volume
ratio,
exceptional
mechanical
strength,
unique
electronic
attributes.
These
properties
make
them
ideal
candidates
for
variety
applications.
This
review
article
focused
on
utilizing
triboelectric
nanogenerators
(TENGs)
different
The
best
part
TENG‐based
is
that
it
self‐powered,
so
no
external
power
supply
required.
initial
importance
innovative
integration
methods
TENGs.
Further,
this
discusses
various
applications,
including
humidity,
touch,
force,
temperature,
gas
sensing,
highlighting
impact
sensitivity
selectivity
TENG
sensors.
last
challenges
prospects
self‐powered
