IOP Conference Series Earth and Environmental Science,
Год журнала:
2023,
Номер
1281(1), С. 012038 - 012038
Опубликована: Дек. 1, 2023
Abstract
Phase
change
materials
(PCMs)
stores
and
releases
thermal
energy
in
the
form
of
latent
heat
during
phase
transition.
Though
PCMs
are
durable
nature,
they
suffer
commercial
application
owing
to
low
conductivity.
Inclusion
metal
carbon
based
nanoparticles
typically
adopted
overcome
complication
poor
conducting
nature
organic
PCMs.
In
this
experimental
research
we
develop
a
bio
nanoparticle
using
coconut
shell
an
environmental
friendly
manner
enhance
conductivity
PCM
polyethylene
glycol
1000.
Bio
(BNP)
improves
developed
nanocomposite
by
73.1%
with
0.9
wt%
BNP
hence
evaluate
thermodynamic
kinetics
parameter
sample
biochar
nanoparticle.
addition
authors
have
analysed
decomposition
optimized
composite
Coats
Redfern
method
exhibit
reaction
mechanism,
kinetic
parameter.
Environmental Progress & Sustainable Energy,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 23, 2024
Abstract
The
effective
utilization
and
high‐value
bioproducts
from
agro‐wastes
make
sense
for
a
sustainable
circular
economy
agriculture.
article
discusses
the
promising
potential
of
utilizing
to
produce
bioproducts,
particularly
focusing
on
carbon
dots
(C‐dots)
derived
such
wastes.
These
C‐dots
exhibit
remarkable
fluorescence
properties
excellent
biocompatibility,
making
them
valuable
nanomaterials
various
applications.
dual
sources
these
C‐dots:
green
precursors
sourced
both
edible
non‐edible
plant‐based
materials,
chemical
involving
acid
non‐acid
reagents
are
highlighted.
This
diversity
in
precursor
materials
underscores
versatility
sustainability
C‐dot
production.
Importantly,
synthesis
fluorescent
achieved
quickly
directly
via
hydrothermal
carbonization,
microwave
technique,
thermal
pyrolysis
solvothermal
ultrasonic
process
review
concisely
intended
widespread
application
fields
ranging
bio‐imaging
optoelectronic
devices.
Furthermore,
challenges
associated
with
synthesizing
high‐quality
agro‐residues,
indicating
ongoing
research
efforts
this
area.
Likewise,
key
energy
specific
characteristics
like
optical,
photoluminestic,
photosimulated
electron
transfer,
catalytic,
mechanical,
carcinogenic
attributes
discussed.
Despite
characteristics,
applications
C‐dots,
including
their
use
light‐emitting
diodes,
supercapacitors,
photovoltaics
outlined.
highlights
multifaceted
nature
contribution
advancing
practices
agriculture
while
simultaneously
addressing
needs
sectors.
Overall,
importance
leveraging
development
innovative
environmentally
friendly
contributing
Energy Technology,
Год журнала:
2024,
Номер
unknown
Опубликована: Июнь 4, 2024
The
photovoltaic
(PV)
module
extracts
and
converts
solar
irradiation
energy
into
electrical
power
in
a
sustainable
renewable
manner.
substantial
upswing
the
temperature
of
PV
panel
occurs
while
conversion
predominantly
impacts
its
performance
reduces
efficiency.
To
resolve
this
issue,
three
different
organic
phase‐change
materials
(PCMs),
OM29,
OM35,
OM42,
are
proposed
for
cooling
as
thermal
storage
medium.
exergy
panels
with
without
PCM
compared
through
experimental
investigation
to
study
influence
melting
points
reference
system
(PVr).
It
is
identified
that
average
can
be
significantly
reduced
by
incorporating
(OM29,
OM4),
which
12.7%,
21.53%,
17.71%
lower
than
PVr
system.
efficiencies
PV‐PCM–OM29,
PV‐PCM–OM35,
PV‐PCM–OM42
10.96%,
10.77%,
11.66%,
4.07%,
6.38%,
4.91%
higher
Similarly,
efficiency
4.62%,
5.06%,
5.57%
higher.
incorporation
OM4)
mechanism
effectively
mitigates
CO
2
3.70,
5.67,
4.46
tons
throughout
lifetime
contributes
development
goal
7.
IOP Conference Series Earth and Environmental Science,
Год журнала:
2023,
Номер
1281(1), С. 012038 - 012038
Опубликована: Дек. 1, 2023
Abstract
Phase
change
materials
(PCMs)
stores
and
releases
thermal
energy
in
the
form
of
latent
heat
during
phase
transition.
Though
PCMs
are
durable
nature,
they
suffer
commercial
application
owing
to
low
conductivity.
Inclusion
metal
carbon
based
nanoparticles
typically
adopted
overcome
complication
poor
conducting
nature
organic
PCMs.
In
this
experimental
research
we
develop
a
bio
nanoparticle
using
coconut
shell
an
environmental
friendly
manner
enhance
conductivity
PCM
polyethylene
glycol
1000.
Bio
(BNP)
improves
developed
nanocomposite
by
73.1%
with
0.9
wt%
BNP
hence
evaluate
thermodynamic
kinetics
parameter
sample
biochar
nanoparticle.
addition
authors
have
analysed
decomposition
optimized
composite
Coats
Redfern
method
exhibit
reaction
mechanism,
kinetic
parameter.
