Abstract
With
their
low
density
and
high
porosity,
aerogels
are
widely
used
as
supporting
frameworks
for
phase
change
materials
(PCMs).
However,
the
host–guest
solid–liquid
phase‐change
systems
often
encounter
difficulties
in
optimizing
balance
between
mechanical
properties
thermal
energy
storage
performance,
intrinsic
advantages
of
not
being
fully
realized.
Herein,
an
aerogel‐functionalization‐PCM
strategy,
a
completely
converse
route
compared
to
traditional
aerogel‐filling‐PCM
method,
toward
lightweight,
flexible
PCM
robust
management
is
developed.
As
proof
concept,
silica
aerogel
particles
(SAPs)
functional
components
added
polyvinyl
alcohol‐polyethylene
glycol
network
produce
composite
PCMs.
The
addition
SAP
reduces
PCM's
latent
heat
by
25%
but
significantly
decreases
heating
rate
190%
enhances
insulation
147%,
achieving
28
°C
temperature
drop
at
80
°C.
This
work
provides
fresh
perspective
on
design
thermally
PCMs
demonstrates
feasibility
enhancing
protection
under
reduced
conditions.
Chemical Reviews,
Год журнала:
2023,
Номер
123(11), С. 6953 - 7024
Опубликована: Март 22, 2023
Functional
phase
change
materials
(PCMs)
capable
of
reversibly
storing
and
releasing
tremendous
thermal
energy
during
the
isothermal
process
have
recently
received
attention
in
interdisciplinary
applications.
The
smart
integration
PCMs
with
functional
supporting
enables
multiple
cutting-edge
applications,
including
optical,
electrical,
magnetic,
acoustic,
medical,
mechanical,
catalytic
disciplines
etc.
Herein,
we
systematically
discuss
storage
mechanism,
transfer
conversion
summarize
state-of-the-art
advances
applications
PCMs.
In
particular,
are
still
their
infancy.
Simultaneously,
in-depth
insights
into
correlations
between
microscopic
structures
thermophysical
properties
composite
revealed.
Finally,
current
challenges
future
prospects
also
highlighted
according
to
up-to-date
This
review
aims
arouse
broad
research
interest
community
provide
constructive
references
for
exploring
next
generation
advanced
multifunctional
thereby
facilitating
major
breakthroughs
both
fundamental
researches
commercial
ACS Nano,
Год журнала:
2022,
Номер
16(10), С. 15586 - 15626
Опубликована: Окт. 13, 2022
Benefiting
from
the
inherent
properties
of
ultralight
weight,
ultrahigh
porosity,
specific
surface
area,
adjustable
thermal/electrical
conductivities,
and
mechanical
flexibility,
aerogels
are
considered
ideal
supporting
alternatives
to
efficiently
encapsulate
phase
change
materials
(PCMs)
rationalize
transformation
behaviors.
The
marriage
versatile
PCMs
is
a
milestone
in
pioneering
advanced
multifunctional
composite
PCMs.
Emerging
aerogel-based
with
high
energy
storage
density
accepted
as
cutting-edge
thermal
(TES)
concept,
enabling
functionality
Considering
lack
timely
comprehensive
review
on
PCMs,
herein,
we
systematically
retrospect
state-of-the-art
advances
for
high-performance
particular
emphasis
multiple
functions,
such
acoustic-thermal
solar-thermal-electricity
conversion
strategies,
flame
retardancy,
shape
memory,
intelligent
grippers,
infrared
stealth.
Emphasis
also
given
roles
different
relationships
between
their
architectures
thermophysical
properties.
This
showcases
discovery
an
interdisciplinary
research
field
combining
3D
printing
technology,
which
will
contribute
aims
arouse
wider
interests
among
fields
provide
insightful
guidance
rational
design
thus
facilitating
significant
breakthroughs
both
fundamental
commercial
applications.
Advanced Functional Materials,
Год журнала:
2022,
Номер
33(9)
Опубликована: Дек. 26, 2022
Abstract
As
one
of
the
“miracle
materials”
in
21st
century,
aerogels
with
ultra‐low
weight
and
remarkable
mechanical
performance
have
emerged
shown
incredible
immunity
to
harsh
working
environments,
attracting
substantial
research
interests
across
a
wide
range
areas.
Recently,
exploitation
MXene
nanosheets
into
represents
new
focus
field
materials
science,
on
account
their
unique
structures
outstanding
properties.
In
this
review,
aim
is
provide
timely
insightful
overview
for
recent
advances
fabrication,
performance,
application
MXene‐based
aerogels.
The
main
strategies
constructing
aerogels,
directly
from
MXene‐dispersion
or
presence
other
functional
components,
are
summarized.
Furthermore,
desirable
related
applications
areas
including
electromagnetic
management,
sensors,
solar
steam
generators,
energy
storage
highlighted.
A
thorough
investigation
comparison
mechanical,
electrical,
sensing,
properties
performed
understand
structure‐property
relationships.
At
last,
study
concluded
summary
outlook
section
future
development
as
well
challenges
that
remained,
thus
bringing
opportunities
material
engineering
