Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(33)
Published: March 29, 2024
Abstract
Phase
change
materials
(PCMs)
are
widely
regarded
as
one
of
the
most
promising
thermal
energy
storage
technologies,
owing
to
their
outstanding
latent
heat
density
and
controllable
storage/release
characteristics.
However,
pure
PCM
usually
has
certain
limitations
in
terms
electric‐,
photo‐,
magnetic‐thermal
conversion.
In
recent
years,
research
on
enhancing
these
properties
through
addition
various
fillers
garnered
widespread
attention.
Herein,
this
paper
elaborates
modification
for
electric‐thermal,
photo‐thermal,
conversion,
including
respective
strategies,
properties,
applications.
Therein,
a
comparative
analysis
is
conducted
conversion
efficiency
with
different
fillers.
Further,
summary
some
PCM,
which
simultaneously
improves
performance
two
or
three
mentioned
above,
enabling
multiple
Finally,
existing
problems,
solutions,
future
development
directions
put
forward.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 3, 2024
Phase
change
materials
(PCMs)
are
crucial
for
sustainable
thermal
management
in
energy-efficient
construction
and
cold
chain
logistics,
as
they
can
store
release
renewable
energy.
However,
traditional
PCMs
suffer
from
leakage
a
loss
of
formability
above
their
phase
temperatures,
limiting
shape
stability
versatility.
Inspired
by
the
muscle
structure,
formable
with
hierarchical
structure
solvent-responsive
supramolecular
networks
based
on
polyvinyl
alcohol
(PVA)/wood
composites
developed.
The
material,
its
hydrated
state,
demonstrates
low
stiffness
pliability
due
to
weak
hydrogen
bonding
between
aligned
wood
fibers
PVA
molecules.
Through
treatment
poly(ethylene
glycol)
(PEG)
into
PVA/wood
PEG
gel
(PEG/PVA/W)
strengthened
bonds,
resulting
wood-based
hard
melting
states
elevate
tensile
stress
10.14
80.86
MPa
420
4.8
GPa,
making
it
530
times
stiffer
than
PEG/PVA
counterpart.
Capable
morphing
response
solvent
changes,
these
enable
intricate
designs
management.
Furthermore,
supported
comprehensive
life
cycle
assessment,
shape-adaptable,
recyclable,
biodegradable
lower
environmental
footprint
present
alternative
conventional
plastics
materials.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(33)
Published: March 29, 2024
Abstract
Phase
change
materials
(PCMs)
are
widely
regarded
as
one
of
the
most
promising
thermal
energy
storage
technologies,
owing
to
their
outstanding
latent
heat
density
and
controllable
storage/release
characteristics.
However,
pure
PCM
usually
has
certain
limitations
in
terms
electric‐,
photo‐,
magnetic‐thermal
conversion.
In
recent
years,
research
on
enhancing
these
properties
through
addition
various
fillers
garnered
widespread
attention.
Herein,
this
paper
elaborates
modification
for
electric‐thermal,
photo‐thermal,
conversion,
including
respective
strategies,
properties,
applications.
Therein,
a
comparative
analysis
is
conducted
conversion
efficiency
with
different
fillers.
Further,
summary
some
PCM,
which
simultaneously
improves
performance
two
or
three
mentioned
above,
enabling
multiple
Finally,
existing
problems,
solutions,
future
development
directions
put
forward.