Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
33(15)
Published: Jan. 24, 2023
Abstract
Although
personal
thermal
management
(PTM)
materials
for
daily
routine
environments
are
widely
investigated,
the
exploration
of
multifunctional
PTM
with
excellent
feasibility
in
complex
and
outdoor
scenarios
is
still
its
infancy.
Herein,
inspired
by
temperature
regulation
effect
atmosphere,
a
novel
design
fabricating
solar‐thermal
gradient
reduced
graphene
oxide
(RGO)
aerogel‐based
bilayer
phase
change
composite
(GRGC)
featuring
“energy
regulation”
inverse
compensation”
proposed
self‐adaptive
applications.
By
integrating
energy
conversion
ability
RGO,
heat
aerogel/octadecane
structure
unique
RGO
framework
inside,
latent‐heat
compensation
octadecane,
GRGC
can
serve
as
an
efficient
device
to
mitigate
drastic
changes
human
skin
harsh
environments.
This
not
only
keep
warm
surface
microclimate
frigid
environment
−5
°C
via
synergistic
conversion,
aerogel
insulation,
phase‐change
latent
release,
but
also
provide
buffering
prevent
hyperthermia
hot
through
behavior
insulation.
opens
new
avenue
devices
applications
Journal of Materials Chemistry A,
Journal Year:
2023,
Volume and Issue:
11(33), P. 17336 - 17372
Published: Jan. 1, 2023
The
emerging
smart
fibers
and
textiles
have
been
regarded
as
ideal
building
blocks
to
weave
flexible
wearable
electronics,
which
hold
great
promise
in
the
upcoming
artificial
intelligence
(AI)
Internet
of
Things
(IoT)
era.
Nature Communications,
Journal Year:
2023,
Volume and Issue:
14(1)
Published: Dec. 16, 2023
Abstract
Polyimide
aerogel
fibers
hold
promise
for
intelligent
thermal
management
fabrics,
but
their
scalable
production
faces
challenges
due
to
the
sluggish
gelation
kinetics
and
weak
backbone
strength.
Herein,
a
strategy
is
developed
fast
fabrication
of
crosslinked
polyimide
(CPI)
by
wet-spinning
ambient
pressure
drying
via
UV-enhanced
dynamic
strategy.
This
enables
sol-gel
transition
photosensitive
polyimide,
resulting
in
strongly-crosslinked
gel
skeleton
that
effectively
maintains
fiber
shape
porous
nanostructure.
Continuous
CPI
(length
hundreds
meters)
with
high
specific
modulus
(390.9
kN
m
kg
−1
)
can
be
achieved
within
7
h,
more
efficiently
than
previous
methods
(>48
h).
Moreover,
fabric
demonstrates
almost
same
insulating
performance
as
down,
about
1/8
thickness
down.
The
opens
promisingly
wide-space
ultrathin
fabrics
personal
management.
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
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(23)
Published: Feb. 12, 2024
Abstract
Passive
radiative
cooling
technologies
play
an
integral
role
in
advancing
sustainable
development.
While
the
potential
of
polymer‐based
materials
is
increasingly
recognized,
they
often
degrade
under
prolonged
ultraviolet
(UV)
radiation
exposure,
which
undermines
both
their
mechanical
and
performance.
To
address
this
challenge,
a
coaxial
electrospinning
method
to
prepare
BST@TPU
membrane,
with
core
layer
strontium
barium
titanate
nanorods
(BST
NRs)
shell
thermoplastic
polyurethane
(TPU)
employed.
Capitalizing
on
UV
absorption
free
radical
adsorption
properties
BST
NRs,
stability
TPU
membrane
significantly
increased.
Additionally,
inclusion
high
refractive
index
NRs
compensates
for
decrease
reflectivity
caused
by
absorption.
After
216
h
continuous
0.7
kW
m
−2
irradiation,
initially
exhibits
reflectance
97.2%,
demonstrated
modest
decline
92.1%.
Its
net
power
maintains
85.78
W
from
initial
125.21
,
extending
useful
lifetime
threefold.
This
innovation
extends
promise
enhancing
efficiency
durability
materials,
contributing
solutions
across
various
applications.