ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 11, 2025
Fiber-based
strain
sensors,
as
wearable
integrated
devices,
have
shown
substantial
promise
in
health
monitoring.
However,
current
sensors
suffer
from
limited
tunability
sensing
performance,
constraining
their
adaptability
to
diverse
human
motions.
Drawing
inspiration
the
structure
of
spiranthes
sinensis,
this
study
introduces
a
unique
textile
wrapping
technique
coil
flexible
silver
(Ag)
yarn
around
surface
multifilament
elastic
polyurethane
(PU),
thereby
constructing
helical
fiber-based
sensor.
The
synergistic
interaction
between
PU
core
and
outer
Ag
enhances
mechanical
strength
stretchability
sensor,
while
external
offers
high
conductivity.
By
adjusting
spacing
coils
on
we
achieve
precise
control
over
both
sensitivity
range.
Specifically,
experimental
results
show
that
with
pitch
1.25
mm,
range
reaches
up
150%,
gauge
factor
(GF)
is
2.6;
when
adjusted
5
within
60%
range,
GF
value
significantly
increases
9.3.
Based
these
excellent
performance
metrics,
further
apply
sensor
conductor
ECG
monitoring
garments,
successfully
verifying
its
practicality
cardiac
Additionally,
developed
smart
glove
for
hand
function
rehabilitation
training,
utilizing
wireless
signal
transmission
promote
recovery
hemiplegic
patients.
also
capable
effectively
respiratory
rate
pulse,
showing
broad
prospects
fields
medicine
healthcare.
ACS Applied Electronic Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 19, 2025
Fabric-based
wearable
sensors
for
athletic
performance
monitoring
have
emerged
as
a
focal
point
of
research
in
recent
times.
For
runners,
tracking
both
respiration
and
stride
is
immensely
advantageous,
these
parameters
jointly
indicate
an
individual's
running
performance.
However,
conventional
incorporated
into
apparel
often
compromise
on
flexibility,
elasticity,
breathability,
thereby
affecting
comfort
Additionally,
they
may
be
susceptible
to
external
disturbances
can
induce
discomfort
due
strong
foreign
body
sensation,
coupled
with
restricted
measurement
capabilities.
To
address
challenges,
we
introduce
Janus
fabric
interlock
stitch
knitted
triboelectric
nanogenerator
(ISK-TENG).
The
unique
design
the
ISK-TENG
ensures
exceptional
stretchability
breathability.
Within
ISK-TENG,
two
layers
are
seamlessly
integrated
form
structure,
which
comes
contact
under
stretching
or
compression
forces
returns
its
original
detached
state
upon
removal
force.
In
lateral
mode,
achieves
electrical
output
160
V
130
nA;
vertical
pressing
it
delivers
6
15
nA.
Furthermore,
by
integrating
clothing,
developed
intelligent
trouser
featuring
one-body
system.
This
capable
human
movement
across
various
breathing
patterns.
Our
work
presents
innovative
approach
concurrently
monitor
large
movements
subtle
respiratory
signals,
enhancing
runners.
Polymers,
Год журнала:
2025,
Номер
17(6), С. 734 - 734
Опубликована: Март 11, 2025
Numerous
strategies
have
been
demonstrated
to
enhance
the
mechanical
stretchability
of
electromechanical
sensors
for
widespread
applications
in
wearable
electronics.
However,
ranging
from
composite
microstructural
materials,
their
sensing
performances
are
usually
vulnerable
large
stretching
deformations
due
low-ductility
infilled
conductive
components
and
modulus
mismatch
between
flexible
polymer
substrate
fillers.
Here,
a
novel
design
strategy
is
proposed
fabricate
ultra-stretchable
composites
constructed
by
triple-level
interaction
network
(Tri-LICN)
buckled-TPU
microfibers
strain
sensors.
The
Tri-LICN
established
bridging
one-dimensional
cellulose
nanocrystals
(CNC)
with
zero-dimensional
gold-nanoparticles
(AuNPs)
two-dimensional
MXene
sheets
using
interface
self-assembly
ultrasound-assisted
anchoring
eliminate
mismatching
material
substrate.
introduced
improve
external-stimuli-induced
imbalance
conformation
TPU
macromolecules.
MXene/CNC/AuNPs@TPU
sensor
displays
an
enhanced
sensitivity
(GF~2514)
fast
response
time
(~150
ms)
over
wide
operational
up
200%
excellent
durability
1000
tensile
cycles.
Our
finding
offers
promising
approach
enhancing
performance
stretchable
based
on
providing
new
opportunities
development
next-generation
