Advanced Materials Technologies,
Год журнала:
2023,
Номер
8(23)
Опубликована: Ноя. 5, 2023
Abstract
The
mechanical
brittleness
of
graphene
aerogel
becomes
the
main
defect
that
restrains
their
multifunctional
application
due
to
strong
π–π
stacking
and
Van
der
Waals
forces
between
nanosheets.
Herein,
a
novel
simple
1D
nanofiber‐reinforced
2D
pyrrole‐reduced
oxide
(GO)
construct
3D
(GA)
is
developed.
pyrrole
effectively
reduces
GO
in
situ
polymerized
polypyrrole
(PPy)
can
improve
conductivity
GA.
Benefiting
from
synergistic
reinforcement
cellulose
acetate
(CA)
electrospun
nanofiber
crosslinker
PPy
on
framework,
lightweight
GA
exhibits
satisfactory
properties.
assembled
flexible
piezoresistive
sensor
shows
high
sensitivity
32.39
kPa
−1
wide
detection
range
up
65.3
kPa,
which
be
able
withstand
more
than
10
000
loading‐unloading
cycles.
It
has
broad
prospect
human
motion
health
signal
monitoring
as
high‐performance
wearable
pressure
sensor.
Particularly,
porous
also
proved
high‐efficiency
oil/water
separation
material
with
adsorption
capacity
(56.9–115.2
g
)
for
various
oils
organic
solvents.
Advanced Functional Materials,
Год журнала:
2023,
Номер
33(26)
Опубликована: Март 25, 2023
Abstract
Carbon
aerogels
(CAs)
are
desirable
for
thermal
protection
in
aerospace
because
of
their
lightweight
and
high‐temperature
insulation
characteristic;
however,
intrinsic
brittleness
flaw
sensitivity
easily
trigger
catastrophic
failure
when
resisting
high‐frequency
shocks
or
complex
mechanical
stresses.
Compression
is
the
predominant
load
applied
on
by
aerodynamic
pressure
pre‐tightening
force;
therefore,
structural
elasticity
exceptional
capability
to
keep
performance
under
impact
stress
crucial
deciding
actual
availability
aerogels.
This
review
presents
recent
progress
newly
resilient
CAs
protection,
focusing
reliable
stability,
superinsulation
property.
The
influence
law
microstructures
heat
transfer
behaviors
first
investigated,
followed
construction
strategies
adiabatic
CAs,
emphasizing
recoverable
deformability
resulting
from
increased
continuity
building
blocks
0D
nanoparticles
1D
nanofibers/nanotubes
then
2D
nanosheets.
Moreover,
optimization
stability
aerobic
environments
discussed.
Finally,
it
raises
current
challenges
further
opportunities
toward
better
properties
brighter
prospects.
Advanced Materials,
Год журнала:
2023,
Номер
35(30)
Опубликована: Апрель 26, 2023
The
development
of
a
3D
carbon
assembly
with
combination
extraordinary
electrochemical
and
mechanical
properties
is
desirable
yet
challenging.
Herein,
an
ultralight
hyperelastic
nanofiber-woven
hybrid
(NWHCA)
fabricated
by
nanofiber
weaving
isotropic
porous
brittle
quasi-aerogels.
Upon
subsequent
pyrolysis,
metallogel-derived
quasi-aerogel
hybridization
nitrogen/phosphorus
co-doping
are
integrated
into
the
NWHCA.
Finite
element
simulation
indicates
that
lamella-bridge
architecture
NWHCA
contributes
to
resisting
plastic
deformation
structural
damage
under
high
compression,
experimentally
demonstrated
complete
recovery
at
80%
compression
unprecedented
fatigue
resistance
(>94%
retention
after
5000
cycles).
Due
superelasticity
integration,
zinc-air
battery
assembled
based
on
shows
excellent
performance
flexibility.
A
proof-of-concept
device
presented,
in
which
flexible
powers
piezoresistive
sensor,
using
as
air
cathode
elastic
conductor
respectively,
can
detect
full-range
sophisticated
motions
while
attached
human
skin.
strategy
allows
construction
lightweight,
superelastic,
multifunctional
assemblies
great
potential
wearable
electronics.
Materials & Design,
Год журнала:
2024,
Номер
243, С. 113091 - 113091
Опубликована: Июнь 14, 2024
Amidst
the
rapid
advancements
in
materials
science,
exploration
of
aerogel-based
biomaterials
has
garnered
extensive
attention
across
diverse
sectors,
including
biomedicine,
energy,
architecture,
and
sensing.
Comprehensive
studies
have
unveiled
utilization
organic,
inorganic,
hybridized
for
aerogel
preparation,
catapulting
to
global
prominence.
Endowed
with
distinctive
properties,
low
density,
a
hierarchical
porous
network,
high
porosity,
nanoscale
micropores,
aerogels
exhibited
broad
spectrum
applications,
particularly
realm
tissue
engineering.
The
deployment
engineering
is
dynamic
phase
development,
available
reports
indicating
varying
degrees
fields
such
as
blood
vessels,
soft
tissues,
nerves,
skin,
muscles,
heart,
bronchial
tubes,
bone,
cartilage—an
evolutionary
process.
This
paper
offers
comprehensive
review
evolution
properties
preparation
processes,
encapsulating
strategic
insights
application
It
succinctly
summarizes
recent
developments
research,
emphasizing
their
significance.
Additionally,
outlines
future
prospects
envisions
challenges
arising
from
current
studies.
Through
this
thorough
engineering,
aspires
make
profound
impact
on
regenerative
medicine,
offering
innovative
effective
strategies
biomedicine.
Advances in Colloid and Interface Science,
Год журнала:
2024,
Номер
335, С. 103338 - 103338
Опубликована: Ноя. 14, 2024
Efficient
removal
of
heavy
metals
and
other
toxic
metal
pollutants
from
wastewater
is
essential
to
protect
human
health
the
surrounding
vulnerable
ecosystems.
Therefore,
significant
efforts
have
been
invested
in
developing
practical
sustainable
tools
address
this
issue,
including
high-performance
adsorbents.
In
respect,
within
last
few
years,
graphene-based
aerogels/xerogels/cryogels
(GBAs)
emerged
drawn
attention
as
excellent
materials
for
removing
recovering
harmful
valuable
different
aqueous
media.
Such
an
upward
trend
mainly
due
features
aerogel
combined
with
properties
graphene
derivatives
aerogel's
network,
GBAs'
unique
three-dimensional
(3D)
porous
structure,
high
porosity,
low
density,
large
specific
surface
area,
exceptional
electron
mobility,
adjustable
rich
chemistry,
remarkable
mechanical
features,
tremendous
stability.
This
review
offers
a
comprehensive
analysis
fundamental
aspects
phenomena
related
application
GBAs
removal.
Herein,
we
cover
all
types
(bottom-up)
synthesized
GBAs,
true
microporous
aerogels
well
3D
open-cell
interconnected
mesoporous
macroporous
aerogels,
foams,
sponges.
Indeed,
provide
insights
into
understanding
suitability
such
important
by
revealing
mechanisms
involved
factors
inducing
controlling
highly
selective
behavior
these
distinctive
Besides
conventional
adsorptive
pathways,
critically
analyzed
ability
electrochemically
capture
(i.e.,
electrosorption)
their
efficiency
detoxification
through
reductive
adsorption-reduction-readsorption).
We
also
covered
reusability
aspect
(GAs)-based
adsorbents,
which
strongly
linked
outstanding
stability
efficient
desorption
captured
metals.
Furthermore,
view
numerous
environmental
benefits,
development
magnetically
recoverable
GAs
highlighted.
Moreover,
shed
light
on
potential
scalable
implementation
evaluating
performance
continuous
processes
while
highlighting
versatility
demonstrated
remove
multiple
contaminants
along
Finally,
provides
readers
accessible
overview
critical
discussion
major
recent
achievements
regarding
applications
GAs-based
adsorbents
ions
Along
our
recommendations
suggestions
future
work
new
research
directions
opportunities,
aims
serve
resource
researchers
field
treatment
inspire
further
progress
towards
next-generation
expanding
application.
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 17, 2024
Abstract
Integrating
solar
thermal
conversion
with
phase
change
materials
(PCMs)
offers
a
promising
pathway
for
continuous
energy
generation
zero‐carbon
footprint.
However,
substantial
infrared
radiation
losses
at
elevated
temperatures
often
hinder
the
efficiency
of
such
integrated
systems.
Inspired
by
thermoregulation
mechanisms
polar
bears,
this
work
introduces
composite
PCMs
spectrally
selective
absorption
to
enhance
storage
efficiency.
These
(CPCMs),
featuring
densely
packed
SiC
ceramic
grains
high
porosity,
exhibit
conductivity
up
14
W
m
−1
K
and
an
density
195.1
kJ
kg
.
The
incorporation
nanoparticle‐coated
foil
induces
plasmonic
effect
that
increases
absorptivity
90.57%
reduces
emissivity
from
71.94%
7.47%.
Consequently,
is
significantly
increased
54.56%
81.65%
500
K,
effectively
addressing
challenges
associated
high‐temperature
storage.
Additionally,
low
c
(PNC),
combined
inherent
heat
properties
PCMs,
enables
stealth
functionality.
multifunctional
CPCMs
demonstrate
considerable
potential
advancing
technologies
other
heat‐related
applications.
Aerogels
are
fascinating
solid
materials
known
for
their
highly
porous
nanostructure
and
exceptional
physical,
chemical,
mechanical
properties.
They
show
great
promise
in
various
technological
biomedical
applications,
including
tissue
engineering,
bone
cartilage
substitution.
To
evaluate
the
bioactivity
of
substitutes,
researchers
typically
conduct
vitro
tests
using
simulated
body
fluids
specific
cell
lines,
while
vivo
testing
involves
study
different
animal
species.
In
this
context,
our
primary
focus
is
to
investigate
applications
types
aerogels,
considering
materials,
microstructure,
porosity
field
engineering.
From
clinically
approved
experimental
we
present
a
comprehensive
list
summary
aerogel
building
blocks
biological
activities.
Additionally,
explore
how
complexity
scaffolds
influences
performance,
ranging
from
simple
single-component
or
hybrid
aerogels
more
intricate
organized
structures.
We
also
discuss
commonly
used
formulation
drying
methods
chemistry,
molding,
freeze
casting,
supercritical
foaming,
drying,
subcritical,
techniques.
These
techniques
play
crucial
role
shaping
applications.
Alongside
progress
made,
acknowledge
challenges
ahead
assess
near
far
future
aerogel-based
hard
engineering
as
well
potential
connection
with
emerging
healing
