Humidity‐Resistant Wearable Triboelectric Nanogenerator Utilizing a Bound‐Water‐Rich Zwitterionic Hydrogel With Microphase‐Separated Domains
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 29, 2024
Abstract
Triboelectric
nanogenerators
(TENGs)
represent
an
effective
approach
for
transforming
mechanical
energy
into
electrical
power,
making
them
suitable
wearable
electronic
applications.
Hydrogels
as
TENGs
electrodes
are
common,
but
their
use
direct
triboelectric
layers
remains
insufficiently
explored.
Here,
a
novel
zwitterionic
monomer
3‐{1‐[6‐(hydroxymethyl)‐2‐methyl‐3,8‐dioxo‐9‐aza‐4,7‐dioxadodec‐1‐en‐12‐yl]imidazol‐3‐ium‐3‐yl}propane‐1‐sulfonate
(VNIPS)
is
synthesized
in
combination
with
acrylic
acid
(AA)
and
sulfobetaine
methacrylate
(SBMA)
to
create
double‐network
hydrogel.
The
hydrogel
developed
using
solvent‐exchange
process
that
facilitated
the
creation
of
microphase‐separated
domains,
notablely
increasing
its
strength
(211.9
kPa,
472.3%),
conductivity
(0.6
mS
cm
−1
),
anti‐freezing
capability
(−18.3
°C).
In
addition,
hydrogel's
hydrophilic
groups
interacted
water
molecules,
reducing
charge
loss
humid
conditions.
When
employed
positive
layer,
hydrogel‐based
achieved
substantial
density
456
µC
m
−
2
output
power
464
mW
,
while
maintaining
steady
open‐circuit
voltage
(V
oc
)
97
V,
92%
retention
under
80%
relative
humidity.
Moreover,
strong
adhesion
biocompatibility
make
it
applications,
such
motion
sensing
Morse
code
communication.
This
work
demonstrates
feasibility
hydrogels
materials,
providing
new
strategy
creating
efficient,
humidity‐resistant
harvesters.
Язык: Английский
A Dual-Mode Transparent Flexible Pressure Sensor Array for Tactile Sensing Visualization
Chemical Engineering Journal,
Год журнала:
2025,
Номер
unknown, С. 161618 - 161618
Опубликована: Март 1, 2025
Язык: Английский
High-Temperature-Resistance Flexible Piezoelectric Sensor via Cyclized PAN/BTO Nanofibers
Nano Energy,
Год журнала:
2025,
Номер
unknown, С. 110910 - 110910
Опубликована: Март 1, 2025
Язык: Английский
The structure, material and performance of multi-functional tactile sensor and its application in robot field: A review
Materials Today,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 1, 2025
Язык: Английский
Algorithmically Enhanced Wearable Multimodal Emotion Sensor
Advanced Intelligent Systems,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 24, 2024
Sensing
diverse
human
emotions
offers
significant
potential
for
understanding
deeper
cognitive
processes
and
diagnosing
neurological
diseases.
However,
capturing
the
full
spectrum
of
remains
a
challenge
due
to
their
intricate
subjective
nature.
Traditional
emotion‐sensing
techniques
often
focus
on
singular
emotions,
limiting
ability
grasp
complexity
emotional
experiences.
Herein,
fully
printed,
organic
wearable
sensor
capable
multimodal
emotion
sensing
by
noninvasively
monitoring
physiological
indicators
such
as
heart
rate,
breathing
patterns,
voice
signatures
is
presented.
The
recorded
signals
are
processed
using
long
short‐term
memory
(LSTM)
neural
network,
achieving
over
91%
classification
accuracy
in
distinguishing
different
through
data
fusion
approach,
showing
>9%
enhancement
compared
feature
fusion.
As
proof
concept,
Q‐learning
implemented
with
simulate
responses
robotic
model.
study's
approach
provides
pathway
complex
enhances
capabilities
effective
human–machine
interaction.
Язык: Английский
Mechano-Graded Contact-Electrification Interfaces Based Artificial Mechanoreceptors for Robotic Adaptive Reception
ACS Nano,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 22, 2024
Triboelectrification-based
artificial
mechanoreceptors
(TBAMs)
is
able
to
convert
mechanical
stimuli
directly
into
electrical
signals,
realizing
self-adaptive
protection
and
human-machine
interactions
of
robots.
However,
traditional
contact-electrification
interfaces
are
prone
reaching
their
deformation
limits
under
large
pressures,
resulting
in
a
relatively
narrow
linear
range.
In
this
work,
we
fabricated
mechano-graded
microstructures
modulate
the
strain
behavior
interfaces,
simultaneously
endowing
TBAMs
with
high
sensitivity
wide
detection
The
presence
step
regions
within
mechanically
graded
helps
resist
fast
compressive
provides
effective
area.
highly
sensitive
region
TBAM
1.18
V/kPa
can
be
effectively
extended
four
times
that
for
devices
interfaces.
addition,
device
maintain
0.44
even
pressure
from
40
600
kPa.
has
been
successfully
used
as
an
electronic
skin
realize
grip
strength
perception
commercial
robot
arm.
Finally,
angle
resolution
2°
excellent
linearity
99.78%
joint
bending
were
also
achieved.
With
aid
convolutional
neural
network
algorithm,
data
glove
based
on
realizes
accuracy
rate
95.5%
gesture
recognition
dark
environment.
Язык: Английский