High
performance
continuous
phase
change
fibers
are
of
great
significance
to
promote
the
development
and
application
functional
fibers.
But,
it
is
still
a
challenge
fabricate
with
high
transition
enthalpy.
Herein,
kind
polyurethane
(PUPCFs)
was
first
reported
which
prepared
through
melt
spinning
from
synthesized
materials
(PUPCMs).
PUPCFs
not
only
overcomes
leakage
problem
materials,
but
also
exhibits
latent
heat
(110.54
J/g),
superior
mechanical
properties
(maximum
strain,
~141.83%),
outstanding
fatigue
resistance,
good
thermal
cycle
stability.
Furthermore,
thermoregulation
textile
(PUPCT/PDMS)
enthalpy,
hydrophobicity
breathability
can
be
obtained
by
weaving
then
coating
polydimethylsiloxane
(PDMS).
This
work
provide
new
idea
for
efficient
economical
production
opens
up
opportunities
wearable
management
textiles.
Advanced Materials,
Год журнала:
2024,
Номер
36(27)
Опубликована: Апрель 18, 2024
Abstract
Polymer
cubosomes
(PCs)
have
well‐defined
inverse
bicontinuous
cubic
mesophases
formed
by
amphiphilic
block
copolymer
bilayers.
The
open
hydrophilic
channels,
large
periods,
and
robust
physical
properties
of
PCs
are
advantageous
to
many
host–guest
interactions
yet
not
fully
exploited,
especially
in
the
fields
functional
nanomaterials.
Here,
self‐assembly
poly(ethylene
oxide)‐
‐polystyrene
copolymers
is
systematically
investigated
a
series
developed
via
cosolvent
method.
Ordered
nanoporous
metal
oxide
particles
obtained
selectively
filling
channels
an
impregnation
strategy,
followed
two‐step
thermal
treatment.
Based
on
this
versatile
PC
platform,
general
synthesis
library
ordered
porous
with
different
pore
structures
,
tunable
size
(18–78
nm),
high
specific
surface
areas
(up
123.3
m
2
g
−1
for
WO
3
)
diverse
framework
compositions,
such
as
transition
non‐transition
oxides,
rare
earth
chloride
perovskite,
pyrochlore,
high‐entropy
oxides
demonstrated.
As
typical
materials
method,
advantages
continuous
structure
semiconducting
properties,
thus
showing
superior
gas
sensing
performances
toward
hydrogen
sulfide.
Nanomaterials,
Год журнала:
2024,
Номер
14(13), С. 1077 - 1077
Опубликована: Июнь 24, 2024
Inorganic
hydrated
salt
phase
change
materials
(PCMs)
hold
promise
for
improving
the
energy
conversion
efficiency
of
thermal
systems
and
facilitating
exploration
renewable
energy.
Hydrated
salts,
however,
often
suffer
from
low
conductivity,
supercooling,
separation,
leakage
poor
solar
absorptance.
In
recent
years,
compounding
salts
with
functional
carbon
has
emerged
as
a
promising
way
to
overcome
these
shortcomings
meet
application
demands.
This
work
reviews
progress
in
preparing
carbon-enhanced
composites
management
applications.
The
intrinsic
properties
their
are
firstly
introduced.
Then,
advantages
various
general
approaches
PCM
briefly
described.
By
introducing
representative
loaded
nanotubes,
fibers,
graphene
oxide,
graphene,
expanded
graphite,
biochar,
activated
multifunctional
carbon,
ways
that
one-dimensional,
two-dimensional,
three-dimensional
hybrid
enhance
comprehensive
thermophysical
affect
behavior
is
systematically
discussed.
Through
analyzing
enhancement
effects
different
fillers,
rationale
achieving
optimal
performance
composites,
including
both
conductivity
stability,
summarized.
Regarding
applications
hydrate
use
electronic
devices,
buildings
human
body
highlighted.
Finally,
research
challenges
further
overall
PCMs
pushing
towards
practical
potential
directions
It
expected
this
timely
review
could
provide
valuable
guidelines
development
stimulate
concerted
efforts
diverse
communities
promote
widespread
high-performance
composites.
Abstract
With
the
miniaturization
and
integration
of
electronic
devices,
developing
advanced
multifunctional
phase
change
materials
(PCMs)
integrating
thermal
storage,
conduction,
microwave
absorption
to
address
electromagnetic
interference,
dissipation,
instantaneous
shock
is
imperative.
Herein,
we
proposed
an
extensible
strategy
synthesize
MOF‐derived
Co/C‐anchored
MoS
2
‐based
PCMs
using
high‐temperature
carbonation
flower‐like
grown
in
situ
by
ZIF67
vacuum
impregnation
paraffin.
The
resulting
@Co/C‐paraffin
composite
exhibited
good
storage
density,
cycling
stability,
long‐term
durability.
conductivity
was
44%
higher
than
that
pristine
paraffin
due
construction
low
interfacial
resistance.
More
attractively,
our
designed
also
possessed
−57.15
dB
minimum
reflection
loss
at
9.2
GHz
with
a
thickness
3.0
mm,
corresponding
effective
bandwidth
3.86
GHz.
excellent
attributed
multicomponent
synergy
magnetic
from
Co
nanoparticles
conductive
carbon
layers,
multiple
nanowrinkle,
along
impedance
matching.
This
study
provided
meaningful
reference
for
widespread
application
combining
high‐power
miniaturized
devices.
Advanced Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 22, 2024
The
global
energy
crisis
and
climate
change
pose
unprecedented
challenges.
Wearable
devices
with
personal
thermoregulation
harvesting
hold
great
promise
for
achieving
savings
human
thermal
comfort.
Here,
inspired
by
neurons,
a
novel
phase
material
(PCM)
is
reported
efficient
respiratory
monitoring
via
self-assembly
strategy.
use
of
gum
arabic
(GA)
enabled
the
encapsulation
polyethylene
glycol
(PEG)
targeted
distribution
carboxylated
multi-walled
carbon
nanotubes
(cMWCNTs)
simultaneously
in
poly
(ethylene
vinyl
acetate)
(EVA)
matrix.
exhibits
an
outstanding
toughness
value
14.88
MJ
m
Solar-thermal
energy
storage
(STES)
within
solid-liquid
phase
change
materials
(PCMs)
has
emerged
as
an
attractive
solution
to
overcome
intermittency
of
renewable
energy.
However,
current
systems
usually
suffer
from
slow
charging
rates,
sacrificed
capacity,
and
overheating
tendency.
Inspired
by
the
thermoregulation
behavior
Cyprinid
fish,
here,
we
present
a
quick-responsive,
ultrafast,
large-capacity,
overheating-protective
STES
strategy.
We
fabricate
liquid-infused
solar-absorbing
foam
charger
that
can
rapidly
advance
receding
interface
efficiently
store
solar-thermal
latent
heat
spontaneously
float
upward
cease
process
upon
overheating.
This
bioinspired
dynamic
is
adaptable
variety
PCMs,
unlocking
potential
for
safe
efficient
utilization
thermal