The Journal of Physical Chemistry C,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 19, 2024
Energy
storage
is
an
effective
means
to
address
rising
energy
consumption,
and
phase
change
materials
(PCMs)
can
effectively
improve
efficiency
utilize
renewable
energy.
In
this
work,
sliced
paraffin
(PS)
lauric
acid
(LA)
were
employed
as
raw
blended
with
freeze-dried
navel
orange
peel
carbon
(FNOP).
PS-LA/FNOP
was
prepared
by
vacuum
adsorption.
NOP
carbonized
at
three
temperatures.
It
determined
that
FNOP900
has
optimal
pore
volume
a
specific
surface
area
of
up
0.165
cm3/g
339.04
m2/g,
respectively.
The
load
rate
reaches
65%.
transition
enthalpy
temperature
PS-LA/FNOP900
are
61.95
J/g
36.42
°C,
excellent
thermal
capacity
constant
10–55
°C.
After
300
cycles,
the
only
decreased
9.15
J/g.
Meanwhile,
maintains
good
reliability;
conductivity
0.42
W/m·K,
which
47.84%
higher
than
PS-LA.
Also,
exhibits
superior
control
performance;
heating
cooling
times
reduced
11.68
50.03%,
respectively,
compared
Micro,
Journal Year:
2024,
Volume and Issue:
4(1), P. 61 - 79
Published: Jan. 24, 2024
This
work
presents
the
development
of
novel
gypsum
board
composites
for
advanced
thermal
energy
storage
(TES)
and
electromagnetic
interference
(EMI)
shielding
applications.
Activated
carbon
(AC)
derived
from
spent
coffee
with
a
high
surface
area
(SBET
=
1372
m2/g)
was
used
as
shape
stabilizer,
while
commercial
paraffin,
RT18HC,
organic
encapsulant
phase
change
material
(PCM).
The
AC
showed
remarkable
encapsulation
efficiency
stabilizer
PCM,
~120.9
wt%
(RT18HC),
melting
enthalpy
(ΔHm)
shape-stabilized
PCM
117.3
J/g.
performance
this
PCM/carbon
nanocomposite
examined
by
incorporating
it
into
building
components,
such
wallboards.
microstructure
these
panels,
their
density,
dispersion
additives
were
using
X-ray
microtomography.
Their
thermal-regulated
measured
through
self-designed
room
model
similar
homemade
environmental
chamber
that
able
to
create
uniform
temperature
environment,
surrounding
test
during
heating
cooling.
measurements
panels
reduce
fluctuations
indoor
model,
in
comparison
normal
range
2–5%.
investigated
composite
samples
efficient
frequency
3.5–7.0
GHz,
reaching
an
EMI
value
~12.5
dB,
which
is
adequate
required
applications,
when
filled
PCMs.
RSC Advances,
Journal Year:
2024,
Volume and Issue:
14(33), P. 24141 - 24151
Published: Jan. 1, 2024
The
exploitation
of
shape-stabilized
phase
change
materials
with
high
thermal
conductivity
and
energy
storage
capacity
is
an
effective
strategy
for
improving
efficiency.
