Langmuir,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 2, 2025
Triboelectric
nanogenerators
(TENGs)
offer
a
convenient
means
to
convert
mechanical
energy
from
human
movement
into
electricity,
exhibiting
the
application
prospects
in
behavior
monitoring.
Nevertheless,
present
methods
improve
device
monitoring
effect
are
limited
design
of
triboelectric
material
level
(control
electron
gain
and
loss
ability).
As
compared
with
reported
work,
we
TENG-based
tactile
sensors
by
optimizing
structure
electrode/triboelectric
interface
multiple
strains
mechanism.
Cu@Ni
double-clad
waste
woven
fabrics
used
as
electrodes,
which
characterized
large
number
pores
formed
between
fibers,
greatly
increasing
specific
surface
area
electrode
generating
dynamic
strain
under
differentiated
stress
fields
because
their
different
elastic
modulus.
To
be
exact,
resin
layer
undergoes
deformation
0.64-4.47
kPa
external
new
generates
at
induced
slip
4.47-63.84
stress,
resulting
accumulation
charges
on
PDMS
surface.
The
establishment
further
facilitates
generation
distinct
signal
waveforms
that
easily
distinguishable
its
amplitude
peak
form.
Besides,
combined
deep
machine
learning
effect,
an
open
setting,
identification
accuracy
five
behaviors
approaches
100%.
This
provides
pathway
for
enhancing
sensor.
International Journal of Extreme Manufacturing,
Journal Year:
2024,
Volume and Issue:
7(1), P. 012006 - 012006
Published: Oct. 18, 2024
Abstract
Piezoelectric
and
triboelectric
effects
are
of
growing
interest
for
facilitating
high-sensitivity
self-powered
tactile
sensor
applications.
The
working
principles
piezoelectric
nanogenerators
provide
strategies
enhancing
output
voltage
signals
to
achieve
high
sensitivity.
Increasing
the
constant
surface
charge
density
key
factors
in
this
enhancement.
Methods
such
as
annealing
processes,
doping
techniques,
grain
orientation
controls,
crystallinity
composite
structures
can
effectively
enhance
constant.
For
increasing
output,
plasma
treatment,
injection,
microstructuring,
control
dielectric
constant,
structural
modification
effective
methods.
fabrication
methods
present
significant
opportunities
This
review
article
summarizes
overall
processes
from
materials
device
aspects.
It
highlights
applications
pressure,
touch,
bending,
texture,
distance,
material
recognition
sensors.
conclusion
section
addresses
challenges
research
opportunities,
limited
flexibility,
stretchability,
decoupling
multi-stimuli,
multifunctional
sensors,
data
processing.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 4, 2024
Abstract
Transition
metal
oxide
shows
great
potential
in
catalytic
formaldehyde
(HCHO)
pollution
degradation
at
room
temperature,
while
it
is
still
difficult
to
overcome
the
efficiency
attenuation
caused
by
limited
reactive
oxygen
species
(ROS)
generation
during
catalysis.
An
elastic
spongy
catalyst
with
Cu‐modified
polydimethylsiloxane
(PDMS)
organic
skeleton
(PDMS@Cu)
supported
hydroxy‐modified
MnO
x
(MnO
‐OH)
prepared
hereon,
named
PDMS@Cu/MnO
‐OH.
Deformation
of
carrier
causes
contact‐separation
friction
between
Cu
and
PDMS
generate
electrostatically
induced
nonuniform
charges,
which
provide
enriched
electrons
transient
electric
field
(EF)
enhance
ROS
HCHO
oxidation.
In
dynamic
tests
(∼12
ppm
weight
hourly
space
velocity
(WHSV)
120
000
mL
g
cat.
−1
h),
‐OH
achieved
∼100%
removal
efficiency,
an
HCHO‐to‐CO
2
conversion
82.47%,
32.47%
higher
than
that
without
non‐uniform
electrostatic
sustained
complete
real‐time
within
24
h
temperature.
Coupled
Density
Functional
Theory
(DFT)
calculations
COMSOL
physics
simulations,
pathway
surface
charges
EF
enhancing
oxidation
unveiled,
offering
a
theoretical
foundation
novel
strategy
for
efficient
long‐term
indoor
pollutant
under
action
sustainably
charges.
