Advanced Materials,
Год журнала:
2024,
Номер
36(21)
Опубликована: Фев. 16, 2024
Controllable
droplet
manipulation
is
crucial
in
diverse
scientific
and
engineering
fields.
Traditional
electric-based
methods
usually
rely
on
commercial
high-voltage
(HV)
power
sources,
which
are
typically
bulky,
expensive,
potentially
hazardous.
The
triboelectric
nanogenerator
(TENG)
a
highly
studied
device
that
can
generate
HV
output
with
limited
current,
showing
great
potential
applications.
However,
current
TENG-based
approaches
utilize
traditional
free-standing
TENGs
produce
short-pulsed
alternating-current
signals.
This
limitation
hinders
continuous
electrostatic
forces
necessary
for
precise
control,
leading
to
complex
circuitry
suboptimal
motion
control
terms
of
volume,
distance,
direction,
momentum.
Here,
contactless
charge
injection
(TCCI)
method
employing
novel
dual-functional
(DF-TENG),
proposed.
DF-TENG
both
high
voltage
constant
during
unidirectional
motion,
enabling
corona
discharges
into
the
droplets.
Using
this
method,
large-volume
(3000
µL)
be
controlled
momentum
up
115.2
g
mm
s
Advanced Materials,
Год журнала:
2024,
Номер
36(29)
Опубликована: Май 15, 2024
Electronic
stethoscope
used
to
detect
cardiac
sounds
that
contain
essential
clinical
information
is
a
primary
tool
for
diagnosis
of
various
disorders.
However,
the
linear
electromechanical
constitutive
relation
makes
conventional
piezoelectric
sensors
rather
ineffective
low-intensity,
low-frequency
heart
acoustic
signal
without
assistance
complex
filtering
and
amplification
circuits.
Herein,
it
found
triboelectric
sensor
features
superior
advantages
over
one
microquantity
sensing
originated
from
fast
saturated
characteristic.
As
result,
shows
ultrahigh
sensitivity
(1215
mV
Pa
Friction,
Год журнала:
2024,
Номер
12(6), С. 1060 - 1097
Опубликована: Март 12, 2024
Abstract
With
remarkable
learning
capabilities
and
swift
operational
speeds,
artificial
intelligence
(AI)
can
assist
researchers
in
swiftly
extracting
valuable
patterns,
trends,
associations
from
subjective
information.
Tribological
behaviors
are
characterized
by
dependence
on
systems,
evolution
with
time,
multidisciplinary
coupling.
The
friction
process
involves
a
variety
of
phenomena,
including
mechanics,
thermology,
electricity,
optics,
magnetics,
so
on.
Hence,
tribological
information
possesses
the
distinct
characteristics
being
multidisciplinary,
multilevel,
multiscale,
that
application
AI
tribology
is
highly
extensive.
To
delineate
scope,
classification,
recent
trends
implementation
tribology,
this
review
embarks
exploration
research
domain.
It
comprehensively
outlines
utilization
basic
theory
intelligent
component
extreme
bio-tribology,
green
other
fields.
Finally,
considering
emergence
“tribo-informatics”
as
novel
interdisciplinary
field,
which
combines
informatics,
elucidates
future
directions
framework
“AI
for
tribology”.
In
paper,
tribo-system
divided
into
5
categories:
input
(I),
system
intrinsic
(S),
output
(O),
state
(T
s
),
derived
(D
).
Then,
fusion
method
among
types
different
technologies
(regression,
clustering,
dimension
reduction)
has
been
proposed,
enables
tribo-informatics
methods
to
solve
common
problems
such
behavior
monitoring,
prediction,
optimization.
purpose
offer
systematic
comprehension
inspire
new
ideas
tribo-informatics.
Ultimately,
it
aspires
enhance
efficiency
problem-solving
tribology.
Nano Energy,
Год журнала:
2024,
Номер
123, С. 109383 - 109383
Опубликована: Фев. 11, 2024
Triboelectric
Nanogenerators
(TENG),
which
convert
mechanical
energy
into
electrical
pulses,
are
envisioned
to
lead
future
harvesting
and
self-powered
sensing
applications
in
wearable
IoT
sectors.
While
optimisation
of
most
parameters
related
TENG
is
well
understood,
the
impact
dielectric
constant,
fundamental
their
output
generation,
still
a
highly
debated
topic.
The
intrinsic
constant
on
performance
extremely
difficult
assess
experimentally,
as
it
closely
associates
with
other
like
surface
charge
density
that
can
alter
outputs.
Herein,
for
first
time,
we
present
study
fully
characterise
First,
theoretical
methods
used
investigate
outputs
against
increasing
constant.
A
novel
experimental
technique
introduced
using
an
array
liquid
filler
materials,
providing
unique
pathway
systematically
tune
without
impacting
parameters.
This
study,
unveils
load-dependent
behaviour
generation
along
several
previously
unreported
trends.
By
tuning
demonstrate
up
122%
(theoretical)
28%
(experimental)
increments
power
output,
paving
way
enhanced
optimisation.
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Авг. 30, 2024
Abstract
Drawing
inspiration
from
nature
has
served
as
a
crucial
driving
force
behind
human
progress,
enabling
groundbreaking
advancements
and
cross‐disciplinary
integration
through
the
emulation
of
biological
superhydrophobic
phenomena.
Bioinspired
triboelectric
materials
stand
out
among
advanced
due
to
their
unique
hydrophobic
properties,
exceptional
moisture
resistance,
remarkable
electrical
performance.
However,
inherent
complexity
natural
phenomena
need
for
refinement
in
bioinspired
design
pose
significant
challenges
development
materials.
This
comprehensive
review
delves
into
perspectives
theoretical
underpinnings,
fabrication
strategies,
cutting‐edge
applications.
Rooted
interaction
mechanisms
between
water
molecules
materials,
importance
enhanced
properties
is
elucidated.
A
systematic
overview
materials’
construction
strategies
presented,
offering
fresh
insights
application
high‐performance
nanogenerators
(TENGs).
Finally,
current
untapped
opportunities
are
summarized
fully
unlock
potential
applications
TENGs.
Applied Physics Letters,
Год журнала:
2025,
Номер
126(5)
Опубликована: Фев. 3, 2025
The
electricity
generation
of
triboelectric
nanogenerators
(TENGs)
originates
from
charge
transfer
enabled
by
contact
electrification.
However,
the
inherent
barrier
between
two
contacting
surfaces
hampers
transfer.
There
are
mainly
four
ways
to
promote
triboelectrification
TENGs.
While
synergy
among
them
has
never
been
achieved.
Herein,
we
reported
an
effective
strategy
boost
efficiency
synergizing
strong
ferroelectric
polarization
and
high
permittivity
embedded
lead
zirconate
titanate
fillers.
influence
interfacial
intensity
dielectric
permittivity,
as
well
corona
poling,
on
composite
film
was
systematically
investigated.
Notably,
switching
direction
renders
increase
(207%)
or
a
decrease
(71%)
in
output
comparison
with
non-poled
counterpart.
Theoretical
modeling
established
combining
Kelvin
probe
force
microscopy
characterization
electron
cloud
overlap
energy
band
derivation.
This
work
not
only
offers
unprecedented
insight
into
fundamental
mechanism
but
also
opens
up
possibility
development
next-generation
wearable
electronics.
Journal of Materials Chemistry A,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
By
doping
TiO
2
nanoparticles
into
PVC
gel,
a
high-output
TENG
was
fabricated,
enabling
temperature-independent
pressure
sensor.
This
sensor
achieved
stable
sensitivity
of
2.03
V
kPa
−1
(10–40
kPa)
and
0.97
(40–100
from
25
°C
to
55
°C.
