Polymer Engineering and Science,
Journal Year:
2024,
Volume and Issue:
64(10), P. 4611 - 4629
Published: July 24, 2024
Abstract
The
need
for
green
thermal
insulation
materials,
such
as
biopolymer
aerogels,
has
become
increasingly
critical
in
the
face
of
escalating
environmental
concerns
and
urgent
push
toward
sustainable
practices.
unique
characteristics
coupled
with
their
benefits,
position
them
potential
disruptors
industry.
As
research
continues,
addressing
challenges
refining
fabrication
techniques
will
likely
lead
to
wider
adoption
these
contributing
a
greener
more
energy‐efficient
built
environment.
This
review
presents
latest
developments
concerning
properties
versatile
applications
biopolymer‐based
insulators
new
type
materials.
It
comprehensively
examines
fundamental
principles
insulation,
factors
that
influence
its
efficacy,
compatibility
mechanisms
underlying
bioaerogels
within
this
context.
also
addresses
works
about
utilization
different
aerogels
critically
assesses
obstacles
currently
faced
by
elucidates
avenues
future
advancement.
Highlights
Biopolymer
offer
alternative
insulation.
Challenges
production
limit
current
aerogel
rates.
Latest
advancements
highlight
aerogels'
applications.
Future
aims
enhance
technology
use.
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
36(7)
Published: Nov. 2, 2023
With
ultralight
weight,
low
thermal
conductivity,
and
extraordinary
high-temperature
resistance,
carbon
aerogels
hold
tremendous
potential
against
severe
threats
encountered
by
hypersonic
vehicles
during
the
in-orbit
operation
re-entry
process.
However,
current
3D
are
plagued
irreconcilable
contradictions
between
adiabatic
mechanical
performance
due
to
monotonicity
of
building
blocks
or
uncontrollable
assembly
behavior.
Herein,
a
spatially
confined
strategy
multiscale
low-dimensional
nanocarbons
is
reported
decouple
stress
heat
transfer.
The
nanofiber
framework,
basis
for
transferring
loading
strain,
covered
continuous
thin-film-like
layer
formed
aggregation
nanoparticles,
which
in
combination
serve
as
fundamental
structural
units
generating
an
elastic
behavior
while
yielding
compartments
suppress
gaseous
fluid
diffusion
within
distinct
partitions.
resulting
all-carbon
with
hierarchical
cellular
structure
quasi-closed
cell
walls
achieve
best
thermomechanical
insulation
trade-off,
exhibiting
flyweight
density
(24
mg
cm
Materials,
Journal Year:
2023,
Volume and Issue:
16(16), P. 5676 - 5676
Published: Aug. 18, 2023
Photothermal
interfacial
evaporation
with
low
cost
and
environmental
friendliness
has
attracted
much
attention.
However,
there
are
still
many
problems
this
technology,
such
as
heat
loss
salt
accumulation.
Due
to
their
different
structures
adjustable
chemical
composition,
electrospun
nanofiber
materials
generally
exhibit
some
unique
properties
that
provide
new
approaches
address
the
aforementioned
issues.
In
review,
rational
design
principles
for
improving
total
efficiency
of
solar
described
thermal/water
management
systems
salt-resistance
strategies.
And
we
review
state-of-the-art
advancements
in
photothermal
based
on
discuss
derivative
applications
desalination,
water
purification,
power
generation.
Finally,
highlight
key
challenges
opportunities
both
fundamental
research
practical
inform
further
developments
field
evaporation.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 19, 2024
The
ambition
of
human
beings
to
create
a
comfortable
environment
for
work
and
life
in
sustainable
way
has
triggered
great
need
advanced
thermal
insulation
materials
past
decades.
Aerogels
foams
present
prospects
as
insulators
owing
their
low
density,
good
insulation,
mechanical
robustness,
even
high
fire
resistance.
These
merits
make
them
suitable
many
real-world
applications,
such
energy-saving
building
materials,
thermally
protective
aircrafts
battery,
warming
fabrics.
Despite
advances,
date
there
remains
lack
comprehensive
yet
critical
review
on
the
materials.
Herein,
recent
progresses
fire-safe
thermal-insulating
aerogels
are
summarized,
pros/cons
three
major
categories
aerogels/foams
(inorganic,
organic
hybrids)
discussed.
Finally,
key
challenges
associated
with
existing
discussed
some
future
opportunities
proposed.
This
is
expected
expedite
development
insulating
help
sustainable,
safe,
energy-efficient
society.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(32)
Published: June 3, 2024
Abstract
Elastic
aerogels
can
dissipate
aerodynamic
forces
and
thermal
stresses
by
reversible
slipping
or
deforming
to
avoid
sudden
failure
caused
stress
concentration,
making
them
the
most
promising
candidates
for
protection
in
aerospace
applications.
However,
existing
elastic
face
difficulties
achieving
reliable
above
1500
°C
aerobic
environments
due
their
poor
thermomechanical
stability
significantly
increased
conductivity
at
elevated
temperatures.
Here,
a
multiphase
sequence
multiscale
structural
engineering
strategy
is
proposed
synthesize
mullite‐carbon
hybrid
nanofibrous
aerogels.
The
heterogeneous
symbiotic
effect
between
components
simultaneously
inhibits
ceramic
crystalline
coarsening
carbon
etching,
thus
ensuring
of
nanofiber
building
blocks.
Efficient
load
transfer
high
interfacial
resistance
crystalline‐amorphous
phase
boundaries
on
microscopic
scale,
coupled
with
mesoscale
lamellar
cellular
locally
closed‐pore
structures,
achieve
rapid
dissipation
energy
attenuation
This
robust
material
system
compatible
ultralight
density
(30
mg
cm
–3
),
compression
strain
60%,
extraordinary
(up
1600
oxidative
environments),
ultralow
(50.58
mW
m
–1
K
300
°C),
offering
new
options
possibilities
cope
harsh
operating
faced
space
exploration.
Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 7, 2024
Abstract
Electromagnetic
protection
in
extreme
environments
requires
materials
with
excellent
thermal
insulation
capability
and
mechanical
property
to
withstand
severe
temperature
fluctuations
complex
external
stresses.
Achieving
strong
electromagnetic
wave
absorption
(EMA)
while
sustaining
these
exceptional
properties
remains
a
significant
challenge.
Herein,
facile
approach
is
demonstrated
fabricate
biomimetic
leaf‐vein
MXene/CNTs/PI
(MCP)
aerogel
parallel
venations
through
bidirectional
freeze‐casting
method.
Due
its
multi‐arch
lamellar
structure
within
the
layers,
ultralight
MCP
(16.9
mg·cm
−3
)
achieves
minimum
reflection
loss
(RL
min
of
−75.8
dB
maximum
effective
bandwidth
(EAB
max
7.14
GHz
an
absorber
content
only
2.4
wt%,
which
also
exhibits
superelasticity
structural
stability
over
wide
range
from
−196
400
°C.
Moreover,
this
unique
facilitates
rapid
heat
dissipation
significantly
impeding
transfer
between
adjacent
achieving
ultralow
conductivity
15.3
mW·m
−1
·K
for
superinsulation.
The
combination
EMA
performance,
robust
stability,
superinsulation
provides
potential
design
scheme
under
conditions,
especially
aerospace
applications.
Journal of Materials Chemistry A,
Journal Year:
2024,
Volume and Issue:
12(33), P. 21531 - 21552
Published: Jan. 1, 2024
This
review
provides
a
summary
of
recent
advancements
in
1D/2D
carbon
materials
(carbon
nanotubes,
graphene,
MXenes,
and
fibers)
for
FZIBs.
It
mainly
introduces
the
functions
enhancing
performance
