ACS Applied Engineering Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 16, 2024
Multifunctional
flexible
textile
conductors,
such
as
those
capable
of
physiological
signal
detection,
electromagnetic
interference
(EMI)
shielding,
and
thermal
management,
are
highly
desirable
for
stretchable
wearable
electronic
devices,
but
there
still
challenges
in
good
performance
conformability
on
human
skin.
Liquid
metals
(LMs)
possess
ideal
characteristics
fluidity,
high
conductivity,
low
toxicity,
making
them
inherently
soft
suitable
the
fabrication
biosensors.
In
this
work,
a
multifunctional
liquid
metal-coated
olefin
block
copolymers
(OBCs)
film
with
elasticity
incorporating
three-dimensional
conductive
network,
is
developed
EMI
motion
monitoring,
bioelectric
Joule
heating
via
an
electrospinning
method
spraying
process.
The
OBCs
exhibited
outstanding
large
elongation
strain
1560%
tensile
strength
0.48
MPa.
excellent
conductivity
metal
endows
LM/OBCs
shielding
69.38
dB;
even
after
1000
stretching
cycles,
average
SE
remains
at
58.89
dB.
Attributed
to
OBC,
prepared
wide
sensing
range
fast
response
200
ms,
indicating
monitoring
capability.
When
employed
electrocardiography
electromyography,
skin
precise
quality,
outperforming
commercial
electrodes.
Additionally,
temperature
could
be
up
71.9
°C
supplied
voltage
0.4
V.
This
work
demonstrates
that
suggests
great
potential
smart
textiles
electronics.
Macromolecular Rapid Communications,
Год журнала:
2024,
Номер
unknown
Опубликована: Июль 9, 2024
Abstract
Creating
bionic
intelligent
robotic
systems
that
emulate
human‐like
skin
perception
presents
a
considerable
scientific
challenge.
This
study
introduces
multifunctional
electronic
(e‐skin)
made
from
polyacrylic
acid
ionogel
(PAIG),
designed
to
detect
human
motion
signals
and
transmit
them
for
recognition
classification.
The
PAIG
is
synthesized
using
suspension
of
liquid
metal
graphene
oxide
nanosheets
as
initiators
cross‐linkers.
resulting
PAIGs
demonstrate
excellent
mechanical
properties,
resistance
freezing
drying,
self‐healing
capabilities.
Functionally,
the
effectively
captures
through
electromechanical
sensing.
Furthermore,
sorting
robot
system
developed
by
integrating
PAIG‐based
e‐skin
with
manipulator.
leverages
its
ability
frictional
electrical
signals,
enabling
precise
identification
materials.
innovations
presented
in
this
hold
significant
potential
applications
artificial
intelligence,
rehabilitation
training,
classification
systems.
ACS Applied Nano Materials,
Год журнала:
2024,
Номер
7(15), С. 17719 - 17728
Опубликована: Июль 26, 2024
Highly
efficient
production
of
porous
carbon
nanofibers
(PCNFs)
is
indispensable
for
applications
in
adsorption,
thermal
insulation,
catalysis,
batteries,
etc.
Herein,
rapid
fabrication
PCNFs
with
flexible
and
adsorption
properties
was
achieved
through
polymer
blend
blow
spinning
at
a
rate
10–30
mL·h–1.
Polyacrylonitrile
(PAN)
used
as
the
organic
precursor
to
prepare
PCNFs,
varying
mass
fractions
poly(methyl
methacrylate)
(PMMA)
microspheres
employed
pore-forming
agents.
Following
high-temperature
carbonization,
diameter
adjusted
within
range
0.2–1.2
μm,
resulting
high
specific
surface
area
34.63
m2
g–1
pore
distribution
3–20
nm.
demonstrated
exceptional
mechanical
resilience,
withstanding
cyclic
compression
strains
up
60%
achieving
peak
stress
12.2
kPa.
Additionally,
exhibited
significant
capacity
oils
benzene,
coupled
superior
insulation
performance
an
ultralow
conductivity
0.022
W·(m·K)−1.
can
also
be
sensors
unmatched
sensitivity
minute
pressure
variations
ranging
from
0
1
N.
The
technique
showcased
operational
simplicity
remarkable
versatility
across
various
materials.
This
excellent
functional
expandability
that
strategy
held
potential
large-scale
multifunctional
PCNFs.
