ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 30, 2025
Aerogels
are
considered
highly
promising
materials
for
superior
thermal
insulation
across
building,
electric
vehicle,
and
textile
area.
Nevertheless,
the
inherent
deficiency
in
mechanical
compressibility
stability
of
sole
ceramic
aerogels
poses
significant
challenges
to
their
further
application.
The
hybrid
with
an
oriented
cellular
structure
parallel
walls
connected
by
bridges
orthogonal
direction
presented
through
a
physical
process.
fibrous
frames
composed
bacterial
cellulose
constructed
enhanced
montmorillonite
nanosheets
silica
sols
self-assembly
process
achieve
high
(>99%
strain)
robustness
(1.015
MPa),
retaining
97.8%
height
retention
under
considerable
compressive
strain
50%
500
cycles.
Moreover,
demonstrate
remarkable
set
properties,
such
as
being
superlight
(8.85
mg·cm–3
99.39%
porosity),
excellent
insulating
performance
(λ
=
0.0131
W·m–1·K–1),
wide
working
temperature
range
(−196
200
°C),
self-extinguishing,
self-cleaning/hydrophobic
(126.4°
WCA).
successful
synthesis
provides
more
opportunities
design
robust
management.
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 9, 2025
Abstract
The
synergistic
integration
of
elastic
porous
material
with
self‐powered
sensing
capabilities
holds
immense
promise
for
smart
wearable
devices.
However,
the
intrinsic
contradiction
between
elasticity
and
strength
has
hindered
mechanical
performance
materials.
This
research
reports
a
diffusion‐driven
layer‐by‐layer
assembly
strategy
to
enhance
As
prerequisite,
anisotropic
layered
structure
natural
materials
is
leveraged
endow
fundamental
elasticity.
Subsequently,
vacuum
chemically‐assisted
enhanced
solvent
diffusion
are
sequentially
employed
assemble
conductive
layers
on
cellulose
from
inside
out.
endows
triboelectric
(TM)
exceptional
properties
(elastic
strain
range
0–80%,
compressive
reaching
4.55
MPa).
Utilizing
TM
as
material,
sensor
response
time
48
ms
sensitivity
0.57
kPa
−1
constructed.
Moreover,
application
in
helmet
demonstrated,
enabling
remote
monitoring
traceability
head
impact
events.
overcome
incompatibility
high
offers
promising
avenues
their
utilization
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 5, 2025
Environmentally
induced
sensor
temperature
fluctuations
can
distort
the
outputs
of
a
sensor,
reducing
their
stability
during
long-term
health
monitoring.
Here,
passive
isothermal
flexible
is
proposed
by
using
hierarchical
cellulose
aerogel
(HCA)
as
top
tribonegative
layer,
which
allows
to
adapt
dynamic
thermal
environments
through
both
radiative
cooling
and
heat
insulation.
The
effect
cool
down
temperatures
in
summer,
while
hollow
microfibers
HCA
provide
ultralow
conductivity
reduce
internal
loss
winter.
prepared
capable
maintaining
rated
working
over
an
extensive
range
0-100
°C,
demonstrating
for
gripping
hot
cold
objects.
While
monitoring
human
movements
under
direct
sunlight,
conventional
rose
12.3
whereas
experienced
increase
only
0.3
°C.
Therefore,
this
work
presents
promising
strategy
adapting
environments,
enabling
wearable
electronics
function
effectively
conditions.
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(48)
Опубликована: Авг. 18, 2024
Abstract
With
the
increasing
demands
for
artificial
intelligence,
robotics,
electronic
skin,
healthcare,
and
energy
storage/conversion,
research
focus
on
flexible
electronics
has
started
to
shift
from
being
merely
bendable
rollable
stretchable.
In
recent
years,
stretchable
aerogels
foams
have
drawn
significant
attention
in
field
of
due
their
unique
porous
structures,
low
density,
high
porosity,
flexibility.
This
work
provides
a
comprehensive
review
state‐of‐the‐art
developments
foams,
encompassing
preparation,
properties,
applications.
The
preparation
methods,
typical
structures
stretching
principle,
relationship
between
stretchability,
other
properties
are
investigated.
Their
latest
applications
strain/pressure
sensors,
electrodes
conductors,
chemical
sensors
biosensors,
supercapacitors,
batteries,
triboelectric
nanogenerators,
electromagnetic
shielding,
microwave
absorption,
thermal
management,
adsorption,
separation/filtration,
shape
memory
introduced.
Furthermore,
challenges
opportunities
summarized.
guideline
development
next‐generation
high‐performance
based
materials.
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 24, 2025
Abstract
Aerogels
excel
in
thermal
insulation
due
to
their
porous
structure,
but
limited
mechanical
strength
restricts
broader
applications.
Thus,
the
development
of
aerogel
composites
for
equipment/personnel
against
and
hazards
extreme
environments
necessitates
more
design
paradigm.
Herein,
a
novel
double‐crosslinked
polyimide
composite
(PIAC)
with
an
organic–inorganic
hybridization
approach
is
prepared.
This
composite,
incorporating
amino‐modified
SiO
2
nanoparticles
reduce
shrinkage/density,
offers
exceptional
from
‐110
°C
300
°C,
flame
resistance,
low
dielectric
constant
(1.4),
conductivity
0.0357
W
(m
K)
−1
self‐cleaning
properties.
Meanwhile,
PIAC
allows
be
manipulated
into
various
shapes
withstand
repeated
folding
unfolding
without
damage.
It
boasts
tensile
8.5
MPa
(2.6‐fold
enhancement)
nominal
elongation
at
break
54%
(17.5‐fold
enhancement),
representing
highest
fracture
toughness
32.99
×
10
6
kJ
m
−3
(47.8‐fold
observed
materials
date.
With
maximum
energy
absorption
reaching
7.46
MJ
when
dissipating
high‐impact
forces,
its
substantial
enhancement
capacity
60%
over
predecessor,
not
only
bolster
matrix
also
amplify
strain
rate
strengthening
effect.
The
fabricated
poised
foldable
mechanical‐thermal‐coupled
protection
where
such
attributes
are
highly
coveted.
Reviews in Chemical Engineering,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 3, 2025
Abstract
Epoxy
foam/aerogel
materials
(EP-AGs)
have
potential
in
the
aerospace,
construction,
and
energy
industries,
allowing
development
of
lightweight
high-performance
products
for
a
wide
range
applications.
Research
interest
developing
EP-AGs
is
increasing
as
it
has
to
create
greener
more
sustainable
making
various
products.
Several
commercial
applications
techniques
creating,
processing,
drying
them
already
been
reported.
The
introduction
into
value-added
one
most
promising
options
but
suffers
from
lack
knowledge
about
relationships
between
microstructure
properties.
current
obstacles
their
use
industrial
sector
challenges
related
factory
scale-up
are
also
taken
account.
hindered
by
critical
gaps
applicational
processing
complexity,
such
scaling
up
laboratory
large-scale
production,
optimizing
synthesis
techniques,
standardized
testing
protocols.
review
focuses
on
complexities
further
difficulties
associated
with
improve
casting
burdens,
cost-effectiveness,
accessibility
This
examines
synthesizing
used
make
special
materials,
practices,
technological
barriers
would
face.
