Decarbonization
of
all
segments
energy
systems,
both
on
the
supply
and
demand
side,
is
one
main
goals
transition.
Electricity
in
future
will
largely
rely
generation
from
intermittent
sources:
wind
solar.
Locally
available,
non-utilized
alternative
low-temperature
sources
as
hydro-geothermal
wells,
abounded
oil
gas
have
potential
to
provide
continual
production
over
year.
these
carried
out
with
working
fluids
low
evaporation
temperatures.
Commonly
used
are
categorized
into
several
groups
based
their
chemical
composition,
which
determines
thermophysical
properties.
In
this
paper
effect
composition
six
three
properties
was
analyzed.
The
fluids'
efficiency
ORC
analyzed
for
case
a
typical
range
temperatures
wells
Serbia,
may
be
heat
electricity
generation.
Renewable and Sustainable Energy Transition,
Год журнала:
2024,
Номер
5, С. 100084 - 100084
Опубликована: Март 25, 2024
Remote
islands,
comprising
over
one-sixth
of
the
Earth's
surface
area
and
home
to
approximately
9%
global
population,
face
formidable
challenges
in
securing
affordable,
sustainable,
reliable
energy.
This
paper
presents
a
pioneering
investigation
into
Mornington
Island's
transition
from
diesel
reliance
renewable
energy
predominance
next
four
decades.
By
demonstrating
tangible
benefits
implementation
on
Island,
this
research
provides
compelling
simulated
evidence
that
blending
traditional
sources
can
revolutionize
provision
for
small
island
communities.
Employing
hybrid
Wind-Solar
systems
bolstered
by
an
effective
battery
storage
system
(ESS),
innovative
approach
ensures
seamless
shift
energy,
resilient
against
seasonal
variations
extreme
weather
events
such
as
cyclones.
Our
analysis,
conducted
through
tech-economic
model
simulating
each
5%
increment
penetration,
reveals
outperforms
generation
terms
affordability
40-year
operational
span.
Specifically,
95%
penetration
yields
lowest
levelized
cost
($162.2/MWh),
resulting
remarkable
$8.54
million
reduction
costs.
A
component
secures
annual
supply,
bridging
gap
during
periods
variability
cyclonic
weather.
While
achieving
100%
is
financially
feasible,
arise
scaling
capacity
stabilize
supply
cyclone
seasons.
Moreover,
our
carbon
accounting
indicates
although
construction
infrastructure
entails
some
indirect
(Scope
3)
emissions,
mitigates
emissions
90%
compared
generation,
amounting
39.17
kilotons
period.
comprehensive
study
policymakers
with
invaluable
insights,
fostering
holistic
understanding
financial,
technical,
environmental,
political
dimensions
inherent
transitions.
Earthline Journal of Chemical Sciences,
Год журнала:
2025,
Номер
unknown, С. 137 - 153
Опубликована: Фев. 14, 2025
Effective
waste
management
is
crucial
in
addressing
global
environmental
challenges.
This
study
focuses
on
optimizing
biogas
production
through
anaerobic
digestion
of
poultry
manure,
which
a
significant
agricultural
Côte
d’Ivoire.
The
aim
to
identify
the
optimal
manure-to-water
ratio
maximize
output
using
FONSTI-CRDI
digester
with
capacity
20
m³.
was
conducted
at
Brin
Foundation
farm
Three
ratios
(1:3,
1:2,
and
1:1)
were
tested
over
15-day
cycles.
A
range
laboratory
field
equipment,
including
pH
meters
analyzers,
employed
monitor
conditions
measure
production.
Physicochemical
properties
such
as
pH,
total
solids,
carbon-to-nitrogen
ratio,
also
analyzed
understand
their
impact
yield.
1:3
yielded
an
average
4.1
m³/day,
methane
content
43%.
1:2
showed
improvement,
achieving
5.3
m³/day
51%
methane.
1:1
produced
highest
6.23
58%
However,
operational
challenges
like
blockages
observed
ratio.
digestate
quality
improved
lower
water
content,
emitting
less
odor.
determined
be
most
effective
for
sustained
production,
balancing
high
stability.
configuration
supports
renewable
energy
goals
sustainable
practices,
offering
efficient
solution
managing
manure.
Further
research
co-substrates
could
enhance
yields
optimize
methanization
process.
Frontiers in Environmental Science,
Год журнала:
2025,
Номер
13
Опубликована: Март 7, 2025
With
the
ongoing
global
climate
change
and
energy
structure
transformation,
green
efficiency
has
become
one
of
key
indicators
for
achieving
sustainable
development.
This
study
uses
panel
data
from
13
prefecture-level
cities
in
Jiangsu
Province,
China,
2012
to
2022
explore
spatiotemporal
evolution
driving
factors
efficiency.
The
employs
super-efficiency
Slack-Based
Measure
(SBM)
method
measure
each
region.
It
Gini
coefficient
kernel
density
estimation
methods
analyze
characteristics
Furthermore,
based
on
a
fixed
effects
model,
delves
into
main
influencing
results
show
that
Province
is
generally
an
upward
trend.
coefficients
both
southern
northern
regions
have
increased,
but
gap
between
two
gradually
widened.
degree
government
intervention
level
industrialization
are
unfavorable
growth
In
contrast,
foreign
investment
levels,
financial
development,
urbanization
significant
positive
effects.
Finally,
empirical
findings,
targeted
recommendations
provided
promote
efficiency,
offering
important
theoretical
support
evidence
country’s
strategic
goals
low-carbon
Research Square (Research Square),
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 4, 2025
Abstract
Regarding
sustainability,
affordability,
and
material
consumption,
dye-sensitized
solar
cells
(DSSCs)
are
among
the
finest
solutions
for
addressing
pressing
need
to
develop
renewable
energy
sources.
The
current
work
reports,
a
straightforward
electrochemical
approach
synthesizing
CuO/Al2O3
nanocomposite.
Investigates
their
structure,
morphology,
crystallinity,
power
conversion
efficiency
(PCE)
as
efficient
low-cost
photo-anode
electrodes
(DSSCs),
was
characterized
by
atomic
force
microscopy
(AFM),
Transmission
electron
(TEM),
X-ray
diffraction
(XRD),
UV-Vis
spectroscopy
current-voltage
(I-V)
performance.
optical
band
gap
determined
be
3.18
eV.
parameters,
including
Voc,
Isc,
FF,
ɳ,
were
derived
from
I-V
curves.
values
of
fabricated
DSSCs
(0.65%,
0.83%,
0.78%,
1.9232%)
(
Rossel,
Chlorophyll,
Methylene
MB,
red
dye
MR)
respectively.
results
indicate
that
MR
nanocomposite
most
effective
sensitizer
photoanode
all
evaluated
alternatives.
IET Renewable Power Generation,
Год журнала:
2024,
Номер
18(11), С. 1798 - 1818
Опубликована: Июль 9, 2024
Abstract
The
reliability‐oriented
optimized
sizing
and
placement
of
electric
vehicle
(EV)
charging
stations
(EVCSs)
has
received
less
attention.
In
addition,
the
literature
review
shows
that
a
research
gap
exists
regarding
clustering‐based
method
to
optimize
allocation
DGs
EVCSs,
considering
system
uncertainties.
This
article
tries
fill
such
knowledge
by
proposing
new
EVs
simultaneously,
uncertainties
EV
behaviours
stochastic
renewable
DGs.
Developing
model
for
using
clustering
algorithm
is
one
essential
contributions.
uncertain
parameters,
e.g.
loads
based
on
owners’
(arrival
time,
departure
driving
distance)
DGs,
would
be
clustered.
proposed
could
solve
execution
time
challenges
Monte
Carlo
simulation‐based
approaches
concern
smart
grids.
simultaneously
optimal
protection
equipment,
another
main
contribution.
IEEE
33‐bus
test
studied
examine
introduced
method.
Simulation
results
imply
1.45%
accuracy
improvement
obtained
compared
available
analytical
ones,
while
its
appropriate.
The
paper
presents
a
proposal
for
an
in-house
mathematical
model
of
liquid
flat-plate
solar
collector.
proposed
is
one-dimensional
distributed
parameter
enabling
simulations
the
collector
operation
under
arbitrarily
variable
boundary
conditions.
based
on
solution
energy
balance
equations
all
components
formulated
differential
are
solved
iteratively
using
implicit
difference
scheme.
In
order
to
obtain
stable
numerical
solution,
it
necessary
use
appropriate
steps
time
and
spatial
division.
These
were
found
by
comparing
results
obtained
from
with
analytical
available
in
literature
transient
state,
which
constitutes
novelty
present
study.
accuracy
was
verified
experimentally
measured
calculated
history
fluid
temperature
at
outlet
calculation
constant
as
example
practical
application.
compared
values
test
stand.
This
another
presented
research.
analysed
instantaneous
efficiency
then
selected
outdoor
can
also
be
used
verify
correctness
operation.
Comparing,
ongoing
basis,
outlet,
conclusions
drawn
about
process
glass
fouling
or
glycol
gelling.
model's
simplicity
low
computational
demands
enable
such
comparisons
online
mode.
