Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 24, 2024
Abstract
A
new
galvanic
cell
design
of
a
self‐powered
and
3D‐printable
soft
sensor
showing
health
monitoring,
object
recognition,
contactless
hand
gesture
is
reported.
The
consists
3D‐printed
poly(acrylic
acid)
(PAA)
hydrogel
electrolyte
layer,
anode
cathode
layer.
layer
Cu
2+
cross‐linked
poly(
N
,
‐dimethylacrylamide‐
co
‐3‐alanine‐2‐hydroxypropylmethacrylate)
(PDA)
dispersed
with
metal
particles
(PDA/Cu
/Cu
hydrogel),
while
the
bottom
thin
PAA
containing
MnO
2
(PAA/MnO
).
Using
graphite
films
as
electrodes,
finally
assembled.
has
high
force
temperature
sensitivities.
It
gives
different
electric
current
responses
under
stretching,
bending,
pressing,
impact
loading.
demonstrated
to
be
useful
in
detecting
human
motion
physiological
activities,
e.g.,
breath.
Based
on
sensitivities,
used
recognize
gestures
plastic
balls
diameters.
This
3D
printable
self‐powering,
capturing,
multi‐pimulus
sensing
capabilities
illustrates
pathway
make
sensory
devices
for
healthcare
human‐machine
interaction
applications.
Small,
Journal Year:
2024,
Volume and Issue:
20(46)
Published: Aug. 7, 2024
Abstract
With
the
rapid
development
of
electronic
industry,
it's
pressing
to
develop
multifunctional
electromagnetic
interference
(EMI)
shielding
materials
ensure
stable
operation
devices.
Herein,
multilayered
flexible
PEG@PAN/MXene
(Ti
3
C
2
T
x
)/PVDF@SiO
(PMF)
composite
film
has
been
constructed
from
level
microstructure
design
via
coaxial
electrospinning,
coating
spraying,
and
uniaxial
electrospinning
strategies.
Benefiting
effective
encapsulation
for
PEG
high
conductivity
MXene
coating,
with
loading
density
0.70
mg
cm
−2
exhibits
thermal
energy
storage
120.77
J
g
−1
great
EMI
performance
(EMI
SE
34.409
dB
SSE
49.086
)
in
X‐band
(8–12
GHz).
Therefore,
this
advanced
can
not
only
help
devices
prevent
influence
pollution
but
also
play
an
important
role
device
management.
Additionally,
deposition
nano
PVDF@SiO
fibers
(289
±
128
nm)
endowed
PMF
hydrophobic
properties
(water
contact
angle
126.5°)
working
hydrophilic
thereby
breaks
limitation
humid
application
environments.
The
finding
paves
a
new
way
novel
films
Nano Letters,
Journal Year:
2024,
Volume and Issue:
24(23), P. 7125 - 7133
Published: May 29, 2024
Wearable
sensors
are
experiencing
vibrant
growth
in
the
fields
of
health
monitoring
systems
and
human
motion
detection,
with
comfort
becoming
a
significant
research
direction
for
wearable
sensing
devices.
However,
weak
moisture-wicking
capability
sensor
materials
leads
to
liquid
retention,
severely
restricting
sensors.
This
study
employs
pattern-guided
alignment
strategy
construct
microhill
arrays,
endowing
triboelectric
directional
capability.
Within
2.25
s,
can
quickly
directionally
remove
droplets,
driven
by
Laplace
pressure
differences
wettability
gradient.
The
exhibit
excellent
performance,
enabling
rapid
response/recovery
(29.1/37.0
ms),
thereby
achieving
real-time
online
respiration
movement
states.
work
addresses
long-standing
challenge
insufficient
driving
force
flexible
electronic
materials,
holding
implications
enhancing
application
potential
skin
Advanced Science,
Journal Year:
2024,
Volume and Issue:
11(30)
Published: June 13, 2024
Abstract
With
the
onset
of
5G
era,
wearable
flexible
electronic
devices
have
developed
rapidly
and
gradually
entered
daily
life
people.
However,
vast
majority
research
focuses
on
integration
functions
performance
improvement,
while
ignoring
electromagnetic
hazards
caused
by
devices.
Herein,
3D
double
conductive
networks
are
constructed
through
a
repetitive
vacuum‐assisted
dip‐coating
technique
to
decorate
2D
MXene
1D
silver
nanowires
melamine
foam.
Benefiting
from
unique
porous
structure
multi‐scale
interconnected
frame,
resultant
composite
foam
exhibited
high
electrical
conductivity,
low
density,
superb
interference
shielding
(48.32
dB),
Joule
heating
(up
90.8
°C
under
0.8
V).
Furthermore,
single‐electrode
triboelectric
nanogenerator
(TENG)
with
powerful
energy
harvesting
capability
is
assembled
combining
an
ultra‐thin
Ecoflex
film
polyvinylidene
fluoride
film.
Simultaneously,
foam‐based
TENG
can
also
be
considered
reliable
sensor
for
monitoring
activity
patterns
in
different
parts
human
body.
The
versatility
scalable
manufacturing
high‐performance
foams
will
provide
new
design
ideas
development
next‐generation
Giant,
Journal Year:
2024,
Volume and Issue:
19, P. 100299 - 100299
Published: June 5, 2024
In
the
era
of
smart
and
sustainable
technology
driven
by
naturally
occurring
materials,
various
nanocellulose-based
materials
play
a
crucial
role.
Shape
memory
behaviour
self-healing
capabilities
nanocelluloses
are
emerging
as
focal
points
in
numerous
research
domains.
Nanocellulose
its
derivatives
such
cellulose
nanocrystals
(CNC)
nanofibers
(CNF),
currently
limelight
due
to
their
excellent
shape-memory
properties,
making
them
suitable
for
multifunctional
devices.
this
regard,
CNF,
cutting-edge
material,
has
spurred
researchers
explore
potential
developing
contemporary
personalized
health
Therefore,
timely
comprehensive
review
is
essential
gain
deep
insights
into
effectiveness
CNF
Herein,
we
first
provide
succinct
introduction
all
nanocellulose
materials.
This
also
depicts
recent
advancements
breakthroughs
large
effective
synthesis
CNF-based
hybrid
Next,
focusing
on
performance,
sheds
new
light
advanced
applications
Finally,
perspectives
current
challenges
opportunities
field
summarized
future
an
in-depth
understanding
"CNF-based
materials."
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 19, 2025
Abstract
Stretchable
thermally
conductive
materials
(TCMs)
are
highly
desirable
for
efficient
thermal
management
in
wearable
electronics.
However,
yielding
stretchable
TCMs
that
can
simultaneously
achieve
superior
conductivity
(TC)
and
high
stretchability
remains
challenging
owing
to
the
contradiction
between
their
mechanical
behaviors.
Herein,
design
of
a
bi‐continuous
structure
enables
creation
composites
by
incorporating
liquid
metal
(LM)
within
thermoplastic
urethane
(TPU)
framework,
is
reported.
The
continuous
TPU
framework
acts
as
load‐bearing
skeleton
ensure
stretchability,
while
LM
forms
3D
network,
providing
high‐speed
channels
heat
conduction.
This
innovative
endows
resultant
composite
with
out‐plane
TC
(4.16
W
(m
K)
−1
),
outstanding
(606%),
extremely
stable
TC,
retention
92%
at
100%
strain
after
10
000
stretching‐releasing
cycles.
also
exhibits
excellent
leakage‐free
behavior,
without
any
leakage
large
400%
under
pressure
500
kPa.
These
remarkable
comprehensive
properties
make
it
promising
TCM
