Evaluation of Biomass-Derived Activated Carbons for Energy and Environmental Applications: Effect of Surface Hydrophilicity and Porosity in Paraffin Encapsulation and H2s Removal
Published: Jan. 1, 2025
Language: Английский
Low Thermal Conductivity Plaster – Perlite Microsphere Composites as Potential Thermal Insulation Materials in Building Construction
International Journal of Thermophysics,
Journal Year:
2025,
Volume and Issue:
46(7)
Published: May 23, 2025
Language: Английский
Preparation and Properties of a Composite Carbon Foam as Energy Storage and EMI Shield Additive for Advanced Cement and Gypsum Boards
Published: April 23, 2024
This
article
explores
the
cutting-edge
advancement
of
gypsum
and
cement
building
boards
infused
with
shape-stabilized
n-octadecane,
an
organic
phase
change
material
(PCM).
The
primary
focus
is
on
improving
energy
efficiency
providing
electromagnetic
interference
(EMI)
shielding
capabilities
for
contemporary
buildings.
research
investigates
integration
these
materials
into
construction
materials,
using
red-mud
Carbon
Foam
as
a
stabilizer
n-octadecane
(OD@CCF).
Various
analyses,
including
microstructural
examination,
porosity
assessment,
additive
dispersion,
were
conducted
X-ray
microtomography
density
measurements.
Thermal
conductivity
measurements
demonstrated
enhancement
composite
OD@CCF
content
increased,
while
mechanical
tests
indicated
optimal
up
to
20%.
thermal-regulated
advanced
panels
evaluated
in
custom-designed
room
model
equipped
homemade
environmental
chamber,
illustrating
consistent
temperature
environment
during
heating
cooling
cycles.
incorporation
exhibited
improved
thermal
storage
properties.
Moreover,
examined
displayed
efficient
performance
within
frequency
range
3.2–7.0
GHz,
achieving
EMI
values
approximately
18
19.5
dB
boards,
respectively,
meeting
entry-level
value
required
commercial
applications.
Language: Английский
Preparation and Properties of a Composite Carbon Foam, as Energy Storage and EMI Shield Additive, for Advanced Cement or Gypsum Boards
Journal of Composites Science,
Journal Year:
2024,
Volume and Issue:
8(7), P. 251 - 251
Published: July 1, 2024
This
article
explores
the
cutting-edge
advancement
of
gypsum
or
cement
building
boards
infused
with
shape-stabilized
n-octadecane,
an
organic
phase
change
material
(PCM).
The
primary
focus
is
on
improving
energy
efficiency
and
providing
electromagnetic
interference
(EMI)
shielding
capabilities
for
contemporary
buildings.
research
investigates
integration
these
materials
into
construction
materials,
using
red-mud
carbon
foam
(CCF)
as
a
stabilizer
n-octadecane
(OD@CCF).
Various
analyses,
including
microstructural
examination,
porosity,
additive
dispersion
assessment,
were
conducted
X-ray
microtomography
density
measurements.
Thermal
conductivity
measurements
demonstrated
enhancement
composite
OD@CCF
content
increased,
while
mechanical
tests
indicated
optimal
up
to
20%.
thermally
regulated
advanced
panels
evaluated
in
custom-designed
room
model,
equipped
homemade
environmental
chamber,
ensuring
consistent
temperature
environment
during
heating
cooling
cycles.
incorporation
exhibited
improved
thermal
storage
properties.
Moreover,
examined
displayed
efficient
performance
within
frequency
range
3.2–7.0
GHz,
achieving
EMI
values
approximately
18
19.5
dB
boards,
respectively,
meeting
minimum
value
necessary
industrial
applications.
Language: Английский
Carbonaceous Shape-Stabilized Octadecane/Multi-Walled Carbon Nanotube Composite Materials for Enhanced Energy Storage and Electromagnetic Interference Shielding
Molecules,
Journal Year:
2024,
Volume and Issue:
29(18), P. 4363 - 4363
Published: Sept. 13, 2024
Developing
materials
for
efficient
energy
storage
and
effective
electromagnetic
interference
(EMI)
shielding
is
crucial
in
modern
technology.
This
study
explores
the
synthesis
characterization
of
carbonaceous
shape-stabilized
octadecane/MWCNT
(multi-walled
carbon
nanotube)
composites,
utilizing
activated
carbon,
expanded
graphite
or
ceramic
foam,
as
shape
stabilizers
phase
change
(PCMs)
to
enhance
thermal
EMI
shielding,
energy-efficient
advanced
applications.
The
integration
octadecane,
a
material
(PCM)
with
ensures
material's
stability
during
transitions,
while
MWCNTs
contribute
improved
properties
capabilities.
research
aims
develop
novel
composites
dual
functionality
emphasizing
role
matrices
their
MWCNT
composites.
SEM
CT
microtomography
analyses
reveal
variations
incorporation
across
matrices,
influenced
by
surface
porosity.
Leaching
tests,
infrared
spectroscopy
(FT-IR)
differential
scanning
calorimetry
(DSC)
confirm
composite's
high
latent
heat
storage.
presence
nanotubes
enhances
octadecane
ΔH
values
almost
reached
theoretical
values.
effectiveness
measurements
indicate
that
show
electric
MWCNTs.
Language: Английский