Lubricants,
Journal Year:
2024,
Volume and Issue:
12(8), P. 269 - 269
Published: July 29, 2024
In
the
past
decade,
triboelectric
nanogenerators
(TENGs)
have
attracted
significant
attention
across
various
fields
due
to
their
compact
size,
light
weight,
high
output
voltage,
versatile
shapes,
and
strong
compatibility.
However,
substantial
wear
at
solid–solid
contact
interfaces
presents
a
major
obstacle
electrical
stability
of
TENGs.
The
objective
this
study
is
investigate
performances
TENGs
lubricated
with
TiO2-doped
oleic
acid.
results
suggest
that
triboelectrical
polyimide
(PI)
film
sliding
against
steel
ball
under
0.1
wt%
acid
are
significantly
improved
compared
those
dry
conditions;
growth
rates
35.2%,
103.6,
85.6%,
respectively.
Moreover,
coefficient
friction
dropped
from
0.31
0.066.
performance
enhancement
mechanism
also
analyzed.
This
provides
an
effective
approach
improve
both
tribological
behaviors.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(43), P. 58029 - 58059
Published: Oct. 16, 2024
Nowadays,
the
liquid–solid
triboelectric
nanogenerator
(L-S
TENG)
has
gained
much
attention
among
researchers
because
of
its
ability
to
be
a
part
self-powering
technology
by
harvesting
ultra-low-frequency
vibration
in
environment.
The
L-S
TENG
works
with
principle
contact
electrification
(CE)
and
electrostatic
induction,
which
CE
takes
place
between
solid
liquid.
exact
mechanism
behind
at
interface
is
still
debatable
topic
many
physical
parameters
both
liquid
layers
contribute
this
process.
In
device,
water
or
solvents
are
commonly
used
as
layers,
for
their
wettability
over
layer
plays
significant
role.
Hence,
review
extensively
focused
on
influence
surfaces
corresponding
impact
output
performance
TENGs.
present
starts
introducing
TENG,
that
contributes
interface,
significance
hydrophobic
materials/surfaces
devices,
fabrication
methods.
Further,
angle
electron/ion
transfer
various
been
analyzed.
Finally,
challenges
future
prospects
utilization
superhydrophobic
context
TENGs
have
included.
This
serves
foundation
research
aimed
optimizing
inspiring
new
approaches
material
design
multifunctional
energy-harvesting
systems.
Advanced Sensor Research,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 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
Energy Technology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 28, 2025
The
self‐powered
motion
sensor
based
on
solid
friction
electrification
has
attracted
more
and
attention
since
its
independent
sustainable
operation
without
an
external
power
source
in
vibration
monitoring.
However,
the
measurement
accuracy
of
these
sensors
is
often
affected
by
large
force
instability
between
solids,
which
highly
limits
their
practical
applications.
Here,
a
novel
high‐resolution
bubble
level‐based
triboelectric
(BL‐TES)
proposed
to
detect
weak
vibrations
basing
liquid–solid
triboelectrification
inertial
oscillations
bubble.
results
indicate
that
electric
signal
BL‐TES
can
information
real
time
with
high
sensitivity.
Compared
solid‐based
dominated
threshold
static
solid–solid
force,
solid–liquid
very
small
high‐pressure
differential
driven
result
resolution
0.35
m
s
−2
sensitivity
6.35
nA
−1
.
Given
easy
fabrication
high‐sensitive
property,
this
type
promising
potential
applications
scavenging
mechanical
energy
detecting
vibration.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 22, 2025
Abstract
Aqueous
solution‐based
liquid
electrode
triboelectric
nanogenerators
(TENGs)
have
attracted
considerable
interest
in
recent
years
due
to
their
exceptional
stretchability,
deformability,
and
inherent
shape‐adaptability.
However,
previous
aqueous
TENGs
face
challenges
related
drying,
which
may
lead
operational
failures.
In
this
study,
a
low‐vapor
pressure
(LVPL)
TENG
(LVPL‐TENG)
is
presented
that
uses
branched
polyethyleneimine
(bPEI)
or
deep
eutectic
solvent,
choline
chloride/glycerol
(ChCl:Gly),
increase
the
stability
of
at
high
temperatures.
The
LVPL‐TENGs
achieve
power
density
≈6.2
4.0
w
m
−2
when
using
bPEI
ChCl:Gly
as
electrodes,
respectively.
Furthermore,
these
devices
remarkable
energy
harvesting
capabilities
while
being
stretched
up
400%.
Importantly,
maintain
constant
electrical
output
after
stored
100
°C
for
24
h.
Utilizing
simple
single‐electrode
design,
can
efficiently
harvest
various
small
physiological
movements,
i.e.,
finger
bending,
grasping
coffee
cup,
clicking
computer
mouse.
Additionally,
potential
function
self‐powered
tactile
sensors
detect
touch
any
material
object,
indicating
promising
applications
realm
human‐machine
interaction.
This
study
opens
new
avenues
deploying
stretchable
shape‐adaptable
operating
Advanced Sustainable Systems,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 3, 2025
Abstract
Triboelectric
nanogenerators
(TENGs)
have
emerged
as
a
promising
alternative
technology
for
sustainable
energy
harvesting,
which
is
aligning
with
Sustainable
Development
Goal
7
(SDG
7).
Strategies
such
optimizing
material
selection,
modifying
surface
morphology,
and
engineering
interfacial
structures
been
explored
to
enhance
TENG
performance.
However,
the
role
of
semiconductor
metal
oxides
in
applications
remains
relatively
underexplored.
In
this
manuscript,
titanium
dioxide
(TiO₂),
particularly
its
rutile
anatase
phases,
improving
output
performance
TENGs
investigated.
The
fabricated
TiO₂‐based
are
systematically
analyzed,
revealing
that
rutile‐phase
TiO₂
demonstrated
superior
compared
anatase,
1.25‐fold
increase
voltage
1.16‐fold
current.
This
enhancement
attributed
rutile's
higher
dielectric
constant,
improved
charge
mobility,
optimized
morphology.
achieved
impressive
metrics,
including
500
V,
current
140
µA,
power
density
8.16
W
m
−
2
,
making
it
highly
suitable
self‐powered
applications.
present
findings
underscore
viability
scalable
efficient
solution,
paving
way
