Triboelectric
nanogenerators
(TENG)
for
harvesting
blue
energy
are
moving
in
the
direction
of
large-scale
and
development.
However,
design
large
TENG
shells
rules
cell
arrays
have
rarely
been
studied
explored.
In
this
paper,
motion
attitude
shell
under
action
directional
waves
revealed
through
experiments
cm-level
array
shell.
A
wireless
three-axis
sensor
is
mounted
center
enclosure
to
acquire
raw
data
from
different
participants.
On
premise
understanding
movement
laws
near
far
shores
ocean,
experimental
scheme
was
carefully
designed.
Firstly,
response
frequency
Z-axis
deflection
basic
were
studied.
As
a
result,
cuboid
has
excellent
resistance
on
Z-axis.
Then,
according
anti-deflection
characteristics
shell,
law
further
improve
advantage
found.
This
that
with
increase
moment
inertia,
range
decreases.
Finally,
X-axis
swing
angle
The
results
show
low
gravity
draft
contribute
angle.
revelation
these
provides
reference
promoting
development
triboelectric
collecting
energy.
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 2, 2025
Abstract
Flexible
electromechanical
sensors
frequently
suffer
from
unexpected
impact
loadings
caused
by
slipping,
collisions
and
falling
objects,
to
name
a
few.
Without
sufficient
protection,
these
undesired
impacts
would
lead
critical
mechanical
instability
even
damage
flexible
sensors,
resulting
in
restricted
measurement
range
imprecise
sensing.
Thus,
it
is
of
significance,
but
still
fresh
challenge
enhance
the
stability
energy‐absorption
capacity
under
impacts.
Here,
multi‐design
strategy
proposed
construct
an
interpenetrating‐phase
cellulose‐acetate
composite
(IPC
2
)
architecture
for
impact‐intensive
sensing
applications.
The
external
structure
mimics
bellows‐morphology
beverage‐straws
that
deform
programmed
loading
direction
stability,
while
internal
conductive
core
has
co‐continuous
can
efficiently
absorb
energy.
Systematic
numerical
analysis
experimental
tests
demonstrate
IPC
presents
excellent
structural
cyclic
performance
unique
combination
exceptional
specific
energy
absorption
(SEA
=
2.66±1.2
kJ
kg
−1
),
low
density
(
ρ
720±10
m
−3
properties
(GF≈39.6).
Remarkably,
recovery
behaviors
terms
shape
electrical
signals
show
good
repeatability
reliability.
This
study
offers
new
framework
exploit
potentialities
with
protective
functions
commercial
values.
Nano-Micro Letters,
Год журнала:
2025,
Номер
17(1)
Опубликована: Янв. 31, 2025
The
large-scale
use
of
ample
marine
energy
will
be
one
the
most
important
ways
for
human
to
achieve
sustainable
development
through
carbon
neutral
plans.
As
a
burgeoning
technological
method
electromechanical
conversion,
triboelectric
nanogenerator
(TENG)
has
significant
advantages
in
its
low
weight,
cost-effectiveness,
and
high
efficiency
low-frequency
range.
It
can
realize
efficient
economical
harvesting
blue
by
constructing
floating
TENG.
This
paper
firstly
introduces
power
transfer
process
structural
composition
TENG
detail.
In
addition,
latest
research
works
on
basic
design
are
systematically
reviewed
category.
Finally,
advanced
progress
take-off
types
engineering
study
with
comprehensively
generalized.
Importantly,
challenges
problems
faced
situ
electrochemical
application
summarized
corresponding
prospects
suggestions
proposed
subsequent
direction
look
forward
promoting
commercialization
this
field.
Abstract
Ocean
energy
harvesting
based
on
a
triboelectric
nanogenerator
(TENG)
has
great
application
potential,
while
the
encapsulation
of
devices
in
water
poses
critical
issue.
Herein,
triboelectric–electromagnetic
hybrid
(TE‐HNG)
consisting
TENGs
and
electromagnetic
generators
(EMGs)
is
proposed
to
harvest
flow
energy.
A
magnetic
coupling
transmission
component
applied
replace
traditional
bearing
structures,
which
can
realize
fully
enclosed
packaging
TENG
achieve
long‐lasting
from
flow.
Under
intense
impact,
reduces
possibility
internal
gear
damage
due
excessive
torque,
indicating
superior
stability
robustness
compared
conventional
TENG.
At
waterwheel
rotates
speed
75
rpm,
TE‐HNG
generate
an
output
peak
power
114.83
mW,
corresponding
density
37.105
W
m
−3
.
After
5
h
continuous
operation,
electrical
attenuation
less
than
3%,
demonstrating
excellent
device
durability.
Moreover,
self‐powered
temperature
sensing
system
cathodic
protection
are
developed
illustrated.
This
work
provides
prospective
strategy
for
improving
TENGs,
benefits
practical
applications
large‐scale
blue
harvesting.
IEEE Sensors Journal,
Год журнала:
2024,
Номер
24(10), С. 16805 - 16815
Опубликована: Апрель 9, 2024
In
the
intelligent
vehicle
systems,
speed
information
is
collected
and
transmitted
by
wheel
sensors,
which
related
to
safety,
energy
efficiency,
comfort
of
vehicle.
This
work
proposes
an
integrated
self-powered
wheel-speed
monitoring
system
(SWMS),
can
achieve
real-time
sensing
wireless
transmission
multifunction
employing
Piezoelectric-Electromagnetic−Triboelectric
hybrid
generator
(PETHG)
for
harvesting
mechanical
from
rotating
wheels.
particular,
triboelectric
generation
unit
in
SWMS
includes
energy-channel
(E-TENG)
a
sensing-channel
(S-TENG),
E-TENG
was
used
rotational
wheel,
S-TENG
rotation
wheel.
experiment
test,
output
performance
assessed
using
electrical
motor
simulate
different
inputs.
At
600
rpm,
instantaneous
power
reached
168.2
mW,
low-power
MCU
waveform
conversion
circuit
established
system.
recorded
were
compared
with
actual
yielding
average
error
rate
only
1.9
%.
offers
solution
sensors
driving.
Abstract
The
rapid
advancement
of
triboelectric
nanogenerators
(TENGs)
has
introduced
a
transformative
approach
to
energy
harvesting
and
self‐powered
sensing
in
recent
years.
Nonetheless,
the
untapped
potential
TENGs
practical
scenarios
necessitates
multiple
strategies
like
material
selections
structure
designs
enhance
their
output
performance.
Given
various
superior
properties,
MXenes,
kind
novel
2D
materials,
have
demonstrated
great
promise
enhancing
TENG
functionality.
Here,
this
review
comprehensively
delineates
advantages
incorporating
MXenes
into
TENGs,
majoring
six
pivotal
aspects.
First,
an
overview
is
provided,
stating
theoretical
foundations,
working
modes,
considerations,
prevailing
challenges.
Additionally,
structural
characteristics,
fabrication
methodologies,
family
charting
developmental
trajectory
are
highlighted.
selection
as
functional
layers
(negative
positive
layer,
electrode
layer)
while
designing
briefed.
Furthermore,
distinctive
MXene‐based
applications
emphasized.
Last,
existing
challenges
highlighted,
future
developing
directions
forecasted.