Small,
Journal Year:
2024,
Volume and Issue:
20(43)
Published: June 28, 2024
Abstract
With
the
development
of
industry
and
global
warming,
passive
radiative
cooling
textiles
have
recently
drawn
great
interest
owing
to
saving
energy
consumption
preventing
heat‐related
illnesses.
Nevertheless,
existing
often
lack
efficient
sweat
management
capacity
wearable
comfort
under
many
practical
conditions.
Herein,
a
hierarchical
metafabric
that
integrates
radiation,
thermal
conduction,
evaporation,
excellent
is
reported
through
an
electrospinning
strategy.
The
presents
solar
reflectivity
(99.7%,
0.3–2.5
µm)
selective
infrared
radiation
(92.4%,
8–13
µm),
given
unique
optical
nature
materials
wettability
gradient/micro‐nano
structure
design.
strong
moisture‐wicking
effect
(water
vapor
transmission
(WVT)
2985
g
m
−2
d
−1
directional
water
transport
index
(R)
1029.8%)
high
heat‐conduction
can
synergistically
enhance
efficiency
metafabric.
outdoor
experiment
reveals
obtain
temperatures
13.8
°C
19.3
in
dry
sweating
state,
respectively.
Meanwhile,
saves
≈19.3%
annual
compared
with
buildings
HAVC
systems
Shanghai.
also
demonstrates
desirable
breathability,
mechanical
strength,
washability.
cost‐effective
high‐performance
may
offer
novel
avenue
for
developing
next‐generation
personal
textiles.
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
34(13)
Published: Dec. 15, 2023
Abstract
Electromagnetic
interference
(EMI)
shielding
fabrics
are
crucial
in
addressing
the
increasingly
serious
electromagnetic
pollution.
To
meet
wearable
requirements,
stretchability
and
thermal
comfortability
often
desired,
but
which
still
challenging.
Herein,
a
stretchable
EMI
fabric
is
fabricated
via
electrospinning
coupled
with
biaxial
pre‐stretching
spraying,
block
stacking
wrinkled
silver
nanowire
(AgNW)/Ti
3
C
2
T
x
MXene
network
coated
on
one
side
of
electrospun
thermoplastic
polyurethane
(TPU)/polydimethylsiloxane
(PDMS)
fabric.
As
expected,
structure
protects
conductive
from
fracture
during
stretching
process,
so
as
to
realize
strain‐invariant
electrical
conductivity.
Thus,
exhibits
performance
over
40
dB
when
subjected
10–50%
uniaxial
strains
or
21–125%
strains.
More
importantly,
white
TPU/PDMS
black
AgNW/MXene
enable
passive
radiative
cooling
heating,
respectively.
The
high
mid‐infrared
emissivity
(97.5%)
solar
reflectance
(90%),
thus
reducing
skin
temperature
by
≈4.9
°C.
heating
absorptivity
(86.6%)
photothermal
effect
increased
≈5
Therefore,
fabirc
Janus‐type
dual‐mode
personal
management
promising
future
products.
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
36(2)
Published: Sept. 15, 2023
Abstract
Electronic
textiles
harmoniously
interact
with
the
human
body
and
surrounding
environment,
offering
tremendous
interest
in
smart
wearable
electronics.
However,
their
wide
application
faces
challenges
due
to
lack
of
stable
stretchable
power
electrodes/devices
multifunctional
design.
Herein,
an
intrinsically
liquid
metal‐based
fibrous
anode
for
a
Zn‐ion
battery
(ZIB)
is
reported.
Benefiting
from
feature
superior
deformability
metal,
optimized
Zn
ion
concentration
distribution
(002)
deposition
behavior
are
observed,
which
result
dendrite‐free
performance
even
under
stretching.
With
strain
50%,
ZIB
maintains
high
capacity
139.8
mAh
cm
−3
(corresponding
83.0%
initial
value)
after
300
cycles,
outperforming
bare
fiber‐based
ZIB.
The
seamlessly
integrates
sensor,
Joule
heater,
wirelessly
charging
device,
provides
supply
signal
monitoring
personal
thermal
management,
holding
promise
electronic
textiles.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(31)
Published: May 29, 2024
The
development
of
scalable
and
passive
coatings
that
can
adapt
to
seasonal
temperature
changes
while
maintaining
superhydrophobic
self-cleaning
functions
is
crucial
for
their
practical
applications.
However,
the
incorporation
cooling
heating
with
conflicting
optical
properties
in
a
coating
still
challenging.
Herein,
an
all-in-one
inspired
by
hierarchical
structure
lotus
leaf
combines
surface
wettability,
structure,
self-adaptation
obtained
through
simple
one-step
phase
separation
process.
This
exhibits
asymmetrical
gradient
surface-embedded
hydrophobic
SiO
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.
ACS Sustainable Chemistry & Engineering,
Journal Year:
2024,
Volume and Issue:
12(4), P. 1681 - 1693
Published: Jan. 19, 2024
Passive
daytime
radiative
cooling
without
any
energy
input
has
attracted
significant
attention
due
to
its
ability
spontaneously
radiate
heat
into
cold
outer
spaces.
However,
the
distinctive
structure
and
optical
properties
made
materials
white
in
appearance,
which
limits
their
use
actual
application.
In
this
study,
poly(dimethylsiloxane)
(PDMS),
poly(ethyl
cyanoacrylate)
(PECA),
polystyrene
(PS),
pigments
that
selectively
absorb
visible
light
with
high
emissivity
were
adopted
fabricate
a
colored
superhydrophobic
coating
through
spraying
nonsolvent-induced
phase
separation.
The
as-fabricated
yellow,
red,
green
PS/PDMS/PECA
composite
coatings
exhibited
solar
reflectivities
of
92.8,
89.8,
86.6%
strong
infrared
emissivities
95.4,
95.3,
96.3%,
respectively,
correspondingly
realized
subambient
temperature
reduction
5.3,
3.5,
2.5
°C.
self-cleaning
property
caused
by
superhydrophobicity
helps
protect
from
contamination,
favoring
stable
outdoor
performance.
Additionally,
was
resistant
different
chemical
immersions,
ultraviolet
(UV)
irradiation,
sand
impact,
water
sandpaper
abrasion,
might
improve
applicability
material
promote
toward
large-area
production
for
practical